Катедра "Хидроаеродинамика и хидравлични машини"

• Ръководител катедра

  
  

  Име:	Росица Величкова
  Научна степен:	проф. д-р инж.
  Телефон:	02 965-2436
  Кабинет:	2240
  E-mail:	rvelichkova@tu-sofia.bg

  Заместник ръководител

  
  

  Име:	Александър Станилов
  Научна степен:	гл. ас. д-р инж.
  Кабинет:	2000
  E-mail:	astanilov@tu-sofia.bg

Академичен състав

проф. д-р инж.	Ангел Терзиев проф. д-р инж. Ангел Терзиев, Контакти - Кабинет: 2342 Телефон: 02 965-3443 E-mail: aterziev@tu-sofia.bg Контакти - Кабинет: 2342 Телефон: 02 965-3443 E-mail: aterziev@tu-sofia.bg Приемно време Понеделник 8.00ч. - 10.00ч. Водени дисциплини Механика на флуидите Изчислителна хидроаеродинамика Публикации Orography analysis with respect to wind flow modelling. Wind tunnel modelling тел.:02 965-3443 каб.:2342 E-mail: aterziev@tu-sofia.bg
проф. дтн инж.	Радостина Ангелова тел.:02 965-2904 каб.:3501A E-mail: radost@tu-sofia.bg
проф. д-р инж.	Росица Величкова тел.:02 965-2436 каб.:2240 E-mail: rvelichkova@tu-sofia.bg
доц. д-р инж.	Александър Митов тел.:02 965-2809 каб.:11-203 E-mail: a_mitov@tu-sofia.bg
доц. д-р инж.	Венцислав Василев тел.:2313 каб.:11212 E-mail: venvas@tu-sofia.bg
доц. д-р инж.	Георги Пичуров тел.:3305 каб.:2252 E-mail: george@tu-sofia.bg
доц. д-р инж.	Даниела Софронова тел.:02 965-2900 каб.:3401А E-mail: dcholeva@tu-sofia.bg
доц. д-р инж.	Иван Дуков каб.:11214 E-mail: idukov@tu-sofia.bg
доц. д-р инж.	Искра Симова тел.:02 965-2436 каб.:2240 E-mail: isimova@tu-sofia.bg
доц. д-р инж.	Мартин Иванов тел.:02 965-3517 каб.:2107 E-mail: m_ivanov@tu-sofia.bg
гл. ас. д-р инж.	Александър Станилов каб.:2000 E-mail: astanilov@tu-sofia.bg
гл. ас. д-р инж.	Камен Грозданов каб.:2246 E-mail: kamengr@tu-sofia.bg
гл. ас. д-р инж.	Цветан Цалов каб.:11210 E-mail: tsalov@tu-sofia.bg
ас. д-р инж.	Росен Илиев каб.:11213 E-mail: riliev@tu-sofia.bg

Хоноруван преподавател

Помощно-технически персонал

• Автоматично регулиране и управление на хидравлична и пневматична техника

  • няма текст

    Лектори:

    проф. д-р инж. Илчо Ангелов
• Анализ и синтез на турбосистеми

  • няма текст

    Лектори:
• Анализ и синтез на хидравлични и пневматични системи за задвижване

  • няма текст

    Лектори:

    проф. д-р инж. Илчо Ангелов
• Водни турбини

  • няма текст

    Лектори:
• Водопречистващи съоръжения и тръбен транспорт

  • няма текст

    Лектори:

    доц. д-р инж. Иван Дуков

    Лектори:

    доц. д-р инж. Огнян Бекриев
• Възобновяеми енергийни технологии

  • няма текст

    Лектори:
• Възобновяеми енергийни технологии и енергийна ефективност

  • няма текст

    Лектори:
• Експлоатация и диагностика на хидравлични машини и системи

  • няма текст

    Лектори:

    проф. д-р инж. Илчо Ангелов
• Измерване на хидравлични и пневматични величини

  • няма текст

    Лектори:
• Изчислителна хидроаеродинамика

  • няма текст

    Лектори:

    проф. д-р инж. Ангел Терзиев
• Компютърно моделиране и проектиране на хидравлична и пневматична техника

  • няма текст

    Лектори:
• Механика на флуидите

  • няма текст

    Лектори:

    проф. д-р инж. Росица Величкова

    Лектори:

    проф. д-р инж. Ангел Терзиев

    Лектори:
• Обемни хидравлични и пневматични машини

  • Няма текст

    Лектори:

    доц. д-р инж. Венцислав Василев
• Основи на двуфазните течения в хидравличните системи и екологията

  • няма текст

    Лектори:

    проф. д-р инж. Росица Величкова
• Пневмоавтоматика

  • няма текст

    Лектори:

    доц. д-р инж. Венцислав Василев
• Пневмозадвижване и пневмоавтоматика

  • няма текст

    Лектори:

    доц. д-р инж. Венцислав Василев
• Помпи, компресори и вентилатори

  • няма текст

    Лектори:

    доц. д-р инж. Иван Дуков
• Приложна хидроаеродинамика

  • няма текст

    Лектори:

    проф. д-р инж. Росица Величкова
• Специални помпи в индустрията

  • няма текст

    Лектори:

    доц. д-р инж. Огнян Бекриев
• Турбопомпи, турбокомпресори и вентилатори

  • няма текст

    Лектори:

    доц. д-р инж. Иван Дуков
• Хидравлични и пневматични машини

  • няма текст

    Лектори:

    доц. д-р инж. Огнян Бекриев
• Хидравлични машини и пневматика

  • няма текст

    Лектори:

    доц. д-р инж. Огнян Бекриев
• Хидравлични системи за задвижване

  • няма текст

    Лектори:

    проф. д-р инж. Илчо Ангелов
• Хидравлични турбомашини

  • няма текст

    Лектори:
• Хидро и пневмозадвижвания

  • няма текст

    Лектори:

    доц. д-р инж. Венцислав Василев
• Хидро и пневмомашини и задвижвания

  • няма текст

    Лектори:

    проф. д-р инж. Илчо Ангелов
• Хидро- и пневмозадвижване

  • няма текст

    Лектори:

    проф. д-р инж. Илчо Ангелов
• Хидроенергетика

  • няма текст

    Лектори:
• Хидрозадвижване

  • няма текст

    Лектори:

    проф. д-р инж. Илчо Ангелов
• Хидропредаватели

  • няма текст

    Лектори:

    проф. д-р инж. Илчо Ангелов

• Orography analysis with respect to wind flow modelling. Wind tunnel modelling
  
• Разпространение на двуфазна турбулентна струя в порьозна среда Част. 1. Физически и математически модел на течението
  
• Разпространение на двуфазна турбулентна струя в порьозна среда Част. 2. Резултати от численият експеримент
  
• Типове мачти и измервателно оборудване, прилагани при изследванията на ветровия потенциал. Видове измервания
  
• A numerical investigation of forest fires under winds
  
• Analyze on the influence of the initial turbulence on the two – phase turbulent jet
  
• Modeling drying process of coffee beans by single particle admixture method
  
• Енергийна ефективност на сгради : монография. Т. 1
  
• Wind flow behavior prediction over complex terrains in respect with orography
  
• Experimental Study on the Transfer of Fire from a Burning car to a Neighboring One
  
• Influence of Air Distribution on the Formation of Oxides of Nitrogen in the Heat Source
  
• Experimental validation data for CFD of heat transfer processes in a heat exchanger thermosyphon type with complex geometry
  
• Analysis of the terrain specifics and roughness factor on the wind shear over complex terrains
  
• Development of the highly boosted capillary porous foam generator for gas (steam) mechanical foam
  
• Study of the fire dynamics in a burning car and analysis of the possibilities for transfer of fire to a nearby vehicle
  
• Analysis of the possibilities of using reference wind measurements in the calculation of energy production from wind farms on low complex terrains
  
• Specifics in the operating modes of thermosyphon air heater of steam generators No1 and No2 in TPP "Republika" at fuel switch from coal to natural gas
  
• Study of fragile capillary-porous coatings in power installations
  
• Analogy in the processes of heat exchange of capillary-porous coatings in energy installations
  
• The efficiency analysis of the SH-25A ball drum mill when grinding industrial products of fossil fuels
  
• Методи за оценка и анализ на ветрови течения върху терени с оглед енергоефективността им
  
• Influence of climatic data and degradation factor on the efficiency of the Photovoltaic modules
  
• Condensing economizers for large scale steam boilers
  
• Механика на флуидите – лабораторни упражнения
  
• Analysis of the Possibilities for Energy Efficiency Improvement of CHP Power Plants
  
• Energy efficiency improvement in farming vehicle equipment, for agricultural holdings
  
• Possibility analysis for the use of remote reference wind measurements, in the evaluation of energy production from low complex terrains
  
• Methodology for determination of heat losses from infiltration and ventilation and heat gains from people in overall energy balance of the building
  
• Study of the thermodynamic efficiency of solid fuel preparation systems of a thermal power plant based on an exergy analysis of the operation of subsystems
  
• Резултати от числения експеримент при протичане на двуфазно струйно течение във филтрираща среда
  
• Specifics in numerical modeling of flow past a square-cylinder
  
• Охарактеризиране на крилен профил за аеродинамична компенсация на пътни превозни средства
  
• Energy efficiency improvement in farming equipment, for agricultural holdings
  
• ANALYSES OF LANDFILL GAS POTENTIAL IN BULGARIA
  
• Mathematical modeling and experimental study of heat transfer processes of a two-phase thermosiphon with complex geometry
  
• Co-Generation Power Plants Based on Biomass Gasification
  
• Research of specific destruction energy of the porous coatings at power units
  
• Analysis of the opportunities for improving energy efficiency in public buildings
  
• Wind energy assessment for low complex terrain using reference meteorological mast
  
• Risk analysis in terms of implementation of large scale cogeneration power plant
  
• Comparative analysis of the energy efficiency of different types co-generators at large scales CHPs
  
• Експериментално изследване развитието на пожар при автомобили. Методика на изследване и измервателна апаратура
  
• Експериментално изследване развитието на пожар при автомобили. Резултати и анализи
  
• Енергийна ефективност на големи промишлени предприятия
  
• Study of the possibilities for using methane as a transport fuel through biomass gasification process
  
• Risk assessment and management during the implementation process of a small scale hydropower plants
  
• Impact assessment of terrain specifics on wind energy production over semi-complex terrains
  
• Application of ICT in the Online Education of Apparel Design and Production within the framework of ICT-TEX project
  
• Preliminary results - Numerical Simulations for Heat Recovery System from Wastewater
  
• Numerical study of distribution of smoke and hazards in underground parking areas considering the operation of ventilation
  
• IMPROVING THE EFFICIENCY OF THE COAL GRINDING PROCESS IN BALL DRUM MILLS AT THERMAL POWER PLANTS
  
• Experimental Validation Data for CFD of Heat Transfer Processes in a New Thermosyphon Heat Exchanger
  
• Study of regime parameters of the fermenter in the production of biogas from animal liquid waste materials
  
• Novel flue gases waste heat recovery methodology avoiding wet gas cleaning technologies in thermal power plants
  
• Evaluation of the influence of the windbreak trees on the change of wind shear in weakly complex terrains
  
• An innovative method for waste heat recovery from flue gas treatment system through an additional economizer
  
• Comparative technical and economic analysis of innovative methods for waste heat recovery from flue gases for boiler type BKZ 220-100
  
• Innovative Renewable Waste Conversion Technologie
  
• "Advanced solutions to improve heat recovery from wastewater in a double heat exchanger"
  
• “Green Energy Potential in University Building’s Roofs, Assessed Through the Possibility for Installation of Commercial Photovoltaic Systems”
  
• Протоколи за лабораторни упражнения по "Механика на флуидите"
  
• Improving your digital skills in the textile and clothing industry
  
• Analysis of Digital Skills in the Textile and Clothing Industry through E-Learning
  
• Educational tools to improve the digital skills in the textile and clothing industry
  
• Improving digital skills in the textile and clothing industry through online courses
  
• Ict in textile and clothing higher education and business (ict-tex)
  
• Technical–economical analysis of the air heater when switching coal from natural gas
  
• Innovative Renewable Waste Conversion Technologies
  
• Methodology for energy savings estimation, resulting from the development of a procedure for air pressure check in vehicle tires
  
• Analysis of the factorial and consequential variables in the energy efficiency study of a heat pump unit with a radiant evaporator
  
• Енергийна ефективност на сгради : монография. Т. 2
  
• Енергийна ефективност на сгради : монография. Т. 3
  
• Methodology for energy savings assessment, at engine oil change of road vehicles
  
• „Система за оценка на иновативни технологии в производството на текстил и облекла и разработването на процесна карта за успешното им въвеждане в експлоатация“
  
• “Introduction”
  
• Energy use Assessment, After the Implementation of Energy-Saving Measures in School Buildings
  
• "Experimental Study on the Transfer of Fire from a Burning car to a Neighboring One"
  
• Mathematical modeling of sound wave propagation through endolymph liquid in the human cochlear
  
• ЕНЕРГИЙНА ЕФЕКТИВНОСТ НА ПРОМИШЛЕНИ СИСТЕМИ ТОМ 1 и ТОМ2
  
• Enhancing the Fermentation Process in Biogas Production from Animal and Plant Waste Substrates in the Southeastern Region of Bulgaria
  
• Evaluation of the Effect of Energy Efficient Measures Applied in Public-Service Buildings †
  
• Design and control of warehouse indoor air quality via numerical modeling
  
• Estimation of the Seasonal Coefficient of Performance of Air-to-Water Heat Pumps in Temperate Climate
  
• Стенд за моделни изпитвания на вентилатори
  
• РЕШАВАНЕ БА ПРАВАТА ЗАДАЧА ПРИ ПРОЕКТИРАНЕ НА ОСОВА ПОМПА
  
• Eкспериментално изследване на влиянието на местата на измерване на налягане при определяне напора на осова помпа с хоризонтален вал
  
• Experimental study of the accuracy of measuring of a central water meter
  
• Experimental study of a pump in turbine mode, energy characteristics, selection methods and operation in a system
  
• DIGITAL CONTROL OF ELECTRO-HYDRAULIC STEERING TEST BENCH
  
• ИДЕНТИФИКАЦИЯ НА ХИДРАВЛИЧНА ЗАДВИЖВАЩА СИСТЕМА С ЕЛЕКТРОХИДРАВЛИЧНО КОРМИЛНО УСТРОЙСТВО И ИЗПЪЛНИТЕЛЕН СЕРВОЦИЛИНДЪР
  
• Стенд за изследване на електрохидравлична система за кормилна уредба с чувствителност по натоварване
  
• Cascade control algorithm of test bench for studying load-sensing electrohydraulic steering systems
  
• Implementation of piezoelectric actuators for pilot valve of high response hydraulic servo valve
  
• H-infinity Control of an Electrohydraulic Power Steering System
  
• Robust Stability of Electro-Hydraulic Power Steering System with H-infinity Controller
  
• Optimal three-loop cascade PI-P-PI controller for electro-hydraulic power steering system
  
• Comparison of robust stability for electrohydraulic steering control system based on LQG and H-infinity controller
  
• Experimental study of electronically controlled closed-loop electrohydraulic system with variable displacement pump
  
• Simo system identification of transfer function model for electrohydraulic power steering
  
• Embedded Electrohydraulic Controller with Digital Valve Actuation for Steering of Heavy Duty Machines
  
• Design of digital PI regulators from experimental frequency response of electrohydraulic steering system
  
• Investigation of model-based tuning of PI regulator for electrohydraulic steering system
  
• Comparison between Model Predictive (MPC) and Model Reference Adaptive Controllers (MRAC) for Electrohydraulic Steering System Implemented as Real-Time Simulink® Program
  
• Comparison of Model Predictive Control (MPC) and Linear-Quadratic Gaussian (LQG) Algorithm for Electrohydraulic Steering Control System
  
• Model Reference Adaptive Control for Steering Application of Agriculture Machines
  
• Reference Tracking LQG Control of Electrohydraulic Servo System for Mobile Machines
  
• Real-time LQG control strategies for electrohydraulic steering of mobile machines
  
• Model Predictive Control Design for Electrohydraulic Power Steering Application
  
• Design of H-infinity Tracking Controller for Application in Autonomous Steering of Mobile Machines
  
• Robust Stability and Performance Investigation of Electrohydraulic Steering Control System
  
• Identification of electro-hydraulic load-sensing servo system, Engineering for Rural Development
  
• Analytical Modelling of Hydraulic Proportional Spool Valve Pilot Operated with Switching Micro Valves
  
• LQG Control of Load-Sensing Electro-hydraulic Servo System
  
• GA-tuning of Multivariable PID Controller for Electrohydraulic Load-Sensing Servo System
  
• H∞ control of load-sensing electro-hydraulic servo system
  
• Variable displacement axial-piston pump control by genetic algorithm tuned PID controller
  
• LQ/H∞ Filter Control of Axial-Piston Pump
  
• Виртуално проектиране на стенд за динамични изпитвания на механични конструкции
  
• "Анализ и синтез на електрохидравлична задвижваща система за вибрационна тестова установка"
  
• A Review Of The Technologies For Hydrogen Supfide Removal And Utilization From Biogas Installation
  
• ОТНОСНО АНАЛИЗА НА ПРИРОДНИТЕ БЕДСТВИЯ
  
• Constructing and testing of experimental module for particulate matter emission control
  
• Contamination of soils by heavy metals and their influence on the environment in Bulgaria
  
• Particulate matter measurements in indoor air
  
• PM10 exceedance in Bulgaria
  
• The application of brain activity as a method for assessment of the human thermophysiological comfort and performance in cold indoor environment
  
• Accumulation of metabolic carbon dioxide (CO2) in a vehicle cabin
  
• Analysis of metabolic CO2 concentration field in a small mechanically ventilated occupied enclosure
  
• Utilzation of Wave Energy by Hybrid System
  
• Evaluation of Theoretical and Accessible Wave Power Resources along the Bulgarian Littoral (Western Black Sea)
  
• Utilization of Hydrogen Sulfide from Biogas Installation
  
• On the possibility of utilization of hydrogen sulphide from the Black Sea
  
• Assessment of the effect of climate change on the floods in Bulgaria
  
• On the Energy Efficiency of Ventilation Systems
  
• Influence of the Indoor Air Pollution and Parameters on Human Health
  
• Designing a Small Climate Chamber to Characterize People as a Source of Deterioration of Indoor Air Quality by Respiration
  
• The Human as a Physiological Source of Deterioration of the Air Quality and Comfort Conditions Indoors
  
• Estimating the Effect of Torso Clothing Insulation on Body Skin and Clothing Temperatures in a Cold Environment Using Infrared Thermography
  
• omputational Modeling and Experimental Validation of the Air Permeability of Woven Structures on the Basis of Simulation of Jet Systems
  
• CFD based study of thermal sensation of occupants using thermophysiological model. Part II: Effect of Metabolic Rate and Clothing Insulation on Human-Environmental Interaction
  
• CFD Based Study of Thermal Sensation of Occupants Using Thermophysiological Model. Part I: Mathematical Model, Implementation and Simulation of the Room Air Flow Effect
  
• CFD based design of a ventilated space
  
• Modified procedure for assessment of the indoor environment impact over productivity and performance of students in laboratory conditions
  
• A study on performance assessment of students in controlled indoor environment conditions
  
• On the Influence of Indoor Temperature on Occupant’s Performance
  
• Integrated study on indoor environment impact on human performance, comfort and health, and effective energy utilization
  
• Adjustment of the practical steps in the assessment of the indoor environment impact over occupant productivity and performance
  
• On the procedure of draught rate assessment in indoor spaces
  
• Hydraulic power take off system for wave energy utilization
  
• Simulation of water turbine with oscilating blades
  
• On the prodcedure of draught rate assessment in indoor spaces
  
• Simulation of water turbine with oscillating blades
  
• The effect of metabolic CO2 source distribution in a mechanically ventilated classroom on the CO2 concentration in the breathing zone
  
• Integrated System for Wave Energy Harvesting
  
• Assessment of Forest Fire Risk in South-Western Region of Bulgaria
  
• Analysis of Hydrological Hazards Based on The Relief of Bulgaria
  
• Thermal Manikins–General Features and Applications
  
• Draught Rate Assessment in a Ventilated Classroom Based on Eight Hours Long Monitoring of Indoor Thermal Environment Parameters
  
• Flow Characteristics at The Outlets of Air Terminal Devices
  
• Draught Rate Assessment in a Ventilated Classroom, Based on One Hour-Long Records of Air Velocity and Air Temperature
  
• Numerical Modelling of the Draught Rate in a Mechanically Ventilated Climate Chamber
  
• Possibilities for energy production from municipal waste biogas in Rousse region
  
• Modelling a test- rig for influence of acid rain on crops, soils and people
  
• Water Resource Management in Bulgaria
  
• Three dimensional simulation of air permeability of single layer woven structures
  
• Modelling indoor pollutant distribution via passive scalar and virtual box approach
  
• Numerical investigation of a Stirling – Ringbom engine with an elastic element
  
• Possibility for Using Biochar for Sustainable Agriculture: a Case Study in Bulgaria
  
• Exploring the potential of straw biochar for environmentally friendly fertilizer
  
• Exploring the Potential of Straw Biochar for Environmentally Friendly Fertilizers
  
• Influence Of Indoor Pollution And Parameters On Human Health
  
• Modelling of a Test-rig for the River Energy Utilization
  
• Numerical Modelling of an Air Turbine for a Hybrid System for Sea Wave Energy Utilization,
  
• Determination of Operating Parameters of Hybrid System for Wave Energy Utilization
  
• On the Floods in the Tundzha River Basin
  
• Production of Biochar From Wheat Straw With Muffle Furnace and Flow Reactor
  
• Harnessing the Energy of Moving Water to Generate Electricity in Bulgaria
  
• A concept for flood early warning
  
• Experimental investigation of water turbine with oscillating blades
  
• Numerical Study of the Torque and Power of a Hydraulic Turbine with Oscillating Blades
  
• Thermal Manikins – General Features and Applications
  
• Flood risk assessment at Tundzha river basin
  
• Air Permeability of Protective Face Masks
  
• Flood risk assessment in urban areas in Bulgaria
  
• On the possibility of the utilization of hydrogen sulfide from the Black Sea
  
• Experimental investigation of soils in Bulgaria for sustainable agriculture
  
• Assessment and Analysis of Forest Fires in Bulgaria †
  
• Construction and Testing of a Hydraulic Flow Meter in a Hydraulic System
  
• Numerical simulation of the air permeability of protective face masks
  
• Modelling of water turbine for utilization of wave energy
  
• Experimental Investigation of Production of Hydrochar from Straw
  
• Моделиране движението и топлобмена при газобразни замърсители на околната среда
  
• Integral conditions applicable for modeling environmental process polluting.
  
• Bond Graph based modeling approach with application for traffic flow
  
• Fire extinguishing system in large underground garages
  
• The possibility of replacing solid walls with water curtain applicable to a large underground garage
  
• Development of a Hydrogen Sulphide Plant
  
• Modeling of the occurrence of fire in closed cars garages
  
• Environmental, energy, and economic analysis of integrated treatment of municipal solid waste and sewage sludge: A case study in China
  
• Mathematical Modeling and Simulation of Development of the Fires in Confined Spaces
  
• Fire modelling and simulations in cramped space
  
• Differential Equations for Turbulent Flow
  
• Equations for motion on a two-phase flow in cylindrical coordinates
  
• Thermophysiological comfort of surgeons and patient in an operating room based on PMV-PPD and PHS indexes
  
• The effect of the type of protective suit on the thermophysiological comfort of surgeons in an operating room
  
• Analysis of significant floods in Bulgarian Danube region,till 2010
  
• Experimental investigation of mining water
  
• Primary gaseous emissions during biomass combustion
  
• Modelling of Occurance and Development of Fire in Confined Spaces
  
• Consumption of electric energy in the production of cotton textiles and garments, International conferences on technics, technologies and education
  
• Experimental study interaction of isothermal turbulent jet with suction opening
  
• Methods for personal cooling in hot environment used in clothing and wearables
  
• Method for Measurement of the Metabolic CO 2 Concentration through a Small Climate Chamber
  
• Exhaled Carbon Dioxide as a Physiological Source of Deterioration of Indoor Air Quality in Non-Industrial Environments: Influence of Air Temperature
  
• USING FACE MASKS IN THE CLASSROOM: THE EFFECT ON THE INDOOR ENVIRONMENT PARAMETERS AND FACE THERMOPHYSIOLOGICAL REACTIONS
  
• The Influence of the Air Temperature on the CO2 Emissions by Occupants Indoors
  
• Possibility for Production of Biogas from Manure in Bulgaria
  
• Characteristics of Ultrafine PM Emitted During Gazification of Biomass
  
• Математическо и числено моделиране на горски пожари
  
• Determination of the Morphological Characteristics of Eight Types of Protective Face Masks and Respirators
  
• Analysis of occurrence and distribution of convective flow in the environment
  
• Assessment of forest fire in Bulgaria
  
• Characteristics prediction of hydrothermal biochar using data enhanced interpretable machine learning
  
• Air permeability and moisture content of medical masks after wearing
  
• Environmental Impact of Quarry Activities: the Case Study of a Gneiss Deposit in the Region of Blagoevgrad
  
• Numerical Investigation of Intensity of Rising Flow of Hot Gases †
  
• Aqueous phase reforming of various compounds in biomass derived products over Ni/α-MoO3 catalysts: Effect of alkali and alkaline earth metals
  
• Validation Of CFD method with drift-flux particle model on predicting disinfection efficacy of upper-room UVGI system
  
• An extensive comparison of modified zero-equation, standard k-ε, and LES models in predicting urban airflow
  
• Field study on occupant comfort and the office thermal environment in rooms with displacement ventilation
  
• A validated numerical investigation of the ceiling fan's role in the upper-room UVGI efficacy
  
• HVAC control based on CFD analysis of room airflow
  
• On the control of indoor environmnet quality and energy efficiency
  
• Radial jet predictions based on computational fluid dynamics
  
• Numerical simulation and a mathematical model of pressure losses depending on geometric parameters of drip emitter labyrinth channel
  
• Mathematical modelling of drip emitter discharge of triangular labyrinth channel
  
• Regression equations of pressure losses of rectangular labyrinth channel and bi-objective optimization
  
• A regression equation of drip emitter discharge depending on the geometric parameters of rectangular labyrinth channel
  
• Integration of thermophysiological body model in CFD
  
• EFFECTS of indoor ventilation and air mixing on disinfection efficacy of upper-room UVGI system
  
• Urban scale modeling of campus building using virtual pulse
  
• Performance of displacement ventilation in practice
  
• Field survey of occupants thermal comfort in rooms with displacement ventilation
  
• Validation study for Large-Eddy Simulation of Forest Flow
  
• Verification of the capacity of lubricating oil cooler system of turbine bearings
  
• Indices for ventilation efficiency and their numerical computation
  
• Възможности за усвояване на неизползвания хидроенергиен потенциал в България
  
• Опитно изследване на двукратна водна турбина
  
• Determining the Optimal Parameters of Vertical Axis Wind Turbine with an Inner Cylinder
  
• Опитно изследване на работни колела за двукратна водна турбина
  
• Изследване на течението в направляващото устройство на двукратна водна турбина
  
• Влияние на напора върху характеристиките на двукратна водна турбина
  
• Опитно изследване на влиянието на изпускателната тръба върху характеристиките на двукратна водна турбина
  
• Ръководство за лабораторни упражнения по хидро- и ветроенергетика (машини и съоръжения)
  
• Двукратни водни турбини за малки ВЕЦ
  
• Двукратни турбини за малки ВЕЦ
  
• Синтез на лопатъчни системи за вятърни турбини с хоризонтална ос
  
• Вятърна турбина с вертикална ос
  
• Стенд за изпитване на Пелтонови водни турбини
  
• Стенд за моделни изпитвания на Францисови водни турбини
  
• Автоматизиране на стенд за моделни изпитвания на Францисови водни турбини
  
• Определяне на дебитните характеристики на водните турбини във ВЕЦ “Мездра”
  
• Стенд за моделни изследвания на осови водни турбини
  
• Исследование и проектирование двукратных турбин для малых ГЭС
  
• Research and Design of Cross Flow Water Turbines for Small HPP
  
• Опитно изследване на моделна двукратна турбина
  
• Система за подобряване на условията за работа на обратимите турбомашини в ПАВЕЦ “Чаира” в компенсаторен режим
  
• Опитно изследване на ветропомпен агрегат
  
• Опитно изследване на работни колела за вятърен двигател
  
• Изследване на скоростното разпределение във входното сечение на вятърен двигател
  
• Определяне на осовото натоварване на хоризонтална Францисова турбина
  
• Опитно изследване на дебитната характеристика на Капланова водна турбина
  
• Моделна Капланова водна турбина
  
• Стенд за изпитване на вятърни турбини с вертикална ос
  
• Stand for testing of hydrokinetic turbines
  
• Изследване на моделни работни колела за двукратни водни турбини
  
• Пелтонова водна турбина за малка ВЕЦ
  
• Двукратна водна турбина за средни напори
  
• Изследване на моделни работни колела за двукратна водна турбина
  
• Моделна вятърна турбина
  
• The New Hydraulic Laboratory at the Technical University of Sofia
  
• Опитно изследване на вертикална вятърна турбина с направляващ апарат
  
• Стенд за изпитване на цилиндрични затвори
  
• Optimization of the Position of the Mounting Holes for the Pelton Turbine Buckets
  
• Concept and Physical Prototyping of Micro Hydropower System Using Vertical Crossflow Turbine
  
• Модернизация лопастной системы рабочего колеса обратимой гидромашины ГАЭС Чаира
  
• Investigation of the efficiency of VAWTs at different wind speeds
  
• Harnessing of the low energy wind potential
  
• On the numerical study of air curtains
  
• Numerical investigation of the heat transfer through woven textiles by the jet system theory
  
• Computational modelling of the heat transfer through two-layer woven structure ensembles
  
• Numerical modeling of the air permeability of two-layer woven structure ensembles
  
• Experimental study and numerical simulation of the air permeability of systems of woven macrostructures
  
• ИЗСЛЕДВАНЕ НА ПРЕНОСА НА ВЛАГА ПРИ ТЪКАНИ ЗА ВРЪХНИ ОБЛЕКЛА
  
• Numerical Study of the Effect of Natural Convective Boundary Layer around Human Body on the Transfer of Heat through a Textile Structure
  
• Класификация на дефектите при машинното бродиране
  
• Анализ на видовете дигитални бодови редове при машинно бродиране Даниела Софронова,
  
• Organic Cotton: Technological and Environmental Aspects
  
• A STUDY ON ELECTRICAL RESISTANCE OF CONDUCTIVE THREADS WITH APPLICATIONS FOR SMART TEXTILES
  
• Effect of sliver opening on neps in rotor spun yarns
  
• A comparative analysis of the capabilities of digital embroidery software products
  
• Cotton Textiles and Human Health Challenges
  
• Design of New Weave Patterns
  
• Failure of Yarns in Different Textile Application
  
• Determination of Porosity of Textiles with an Uneven Pore Size
  
• The effect of image segmentation on the determination of porosity of woven textiles through image processing
  
• Textiles and human thermophysiological comfort in the indoor environment
  
• Air-Jet Spinning of Yarns
  
• The effect of clothing insulation on the thermophysiological comfort of workers in artificial cold environment
  
• Working in cold environment: Clothing and Thermophysiological comfort
  
• Heat and mass transfer through outerwear clothing for protection from cold: influence of geometrical, structural and mass characteristics of the textile layers
  
• Determination of the Pore Size of Woven Structures Through Image Analysis
  
• Cross Cultural Management of the European Textile and Clothing Industries: Application of Hofstede's Cultural Dimensions
  
• National cultural differences and the management of textile and clothing companies in Bulgaria: three examples
  
• Design of Terry Towels: Assessment of the Effect of Weft Density and Pile Height on Fabric’s Weight
  
• Angelova, R. A., Sofronova, D., & Nikolova, V. (2016). A case study on the defects in industrial manufacturing of embroidered textiles. Journal of Multidisciplinary Engineering Science and Technology, 3 (12), 2458, 9403.
  
• A Case Study on the Defects in Industrial Manufacturing of Embroidered Textiles
  
• Изследване върху електрическото съпротивление на проводими конци с приложение за смарт текстил
  
• E-textile for non-invasive control of the body movement of bedridden patients
  
• A method for testing of the conductivity decay of threads for embedded wearable electronic devices in smart textiles
  
• Embedding Sensors by E-embroidery: Practical Steps for Smart Textiles Production
  
• Design of a device for measuring the parameters of the microenvironment under protective face masks
  
• The circular economy: A new paradigm for the textile and clothing industries
  
• Influence of wind loads on façade scaffolds covered with different types of nets
  
• Non-woven textiles in the indoor environment
  
• The effect of the transfer abilities of single layers on the heat and mass transport through multilayered outerwear clothing for cold protection
  
• Hollow-Spindle Spinning of Yarns
  
• Numerical simulation of the thermoregulation of clothed human body: skin and clothing temperatures
  
• Air Permeability of Woven Structures: Influence of the Mesostructure
  
• Design of woven fabrics using DYF1.0 specialized software code
  
• False-twister as a yarn formation factor in wrap spinning
  
• Design and Development of an E-Textile Mat for Assuring the Comfort of Bedridden Persons
  
• Classification of digital stitch lines in machine embroidery
  
• High-Performance Apparel and Wearable Devices for Hot Environments
  
• Failure of yarns in different textile applications
  
• Measuring the Carbon Dioxide Concentration under Protective Face Masks with a Sensor System
  
• Selection of Clothing for a Cold Environment by Predicting Thermophysiological Comfort Limits
  
• Application of CAD/CAM Systems in the Design of Woven Textiles
  
• Cross-cultural management of the European textile and clothing industries: Application of Hofstede’s cultural dimensions
  
• The response rate in postal epidemiological studies in the context of national cultural behaviour
  
• The 3Rs concept applied in a textile case study
  
• Embroidered Patches for Seamlessly Embedding Sensors in Smart Textiles
  
• Sustainable Textiles: Design of New Weave Patterns Based on Texts
  
• Design of Weave Patterns
  
• Measuring the Parameters of the Microenvironment under Protective Face Masks
  
• Maintaining the Workers Comfort and Safety in Extreme Temperatures Industrial Environment
  
• Design of weave patterns: when engineering textiles meets music
  
• Materials, design and technology of face masks
  
• A compararative analysis of the capabilities of digital embroidery software products
  
• Selecting Microcontrollers for the Creation of Intelligent Textile Systems
  
• Eco-sustainability of cotton textiles: moisture absorption case study
  
• Design of Textile Substrates with Desired Air Permeability for E-textiles
  
• Embroidered Patches for Seamlessly Embedding Sensors in Smart
  
• Evaluating the Clothing Insulation of T-Shirts Using Thermal Manikin
  
• Talented Engineer Acquisition and Retention in the Global Textile Industry
  
• Predicting the thermophysiological response in hot environment when using protective clothing
  
• Air curtains – present status and perspectives
  
• Числено (CFD) моделиране на загубите на налягане в пневмоциклон и валидиране
  
• Приложение на изкуствени невронни мрежи за моделиране на ефективността на пневмоциклон
  
• DETERMINATION OF THE PARTICLE SHAPE FACTOR USING CAUCHY’S THEOREM AND IMAGE ANALYSIS
  
• CFD Modeling of a gas cyclone
  
• Помпи, компресори и вентилатори
  
• Симулация на разпределението на скоростно и температурно полета при отопление с климатизатор на офис помещение
  
• Развитие на пожар при лек автомобил с отчитане въздействието на вятъра
  
• Numerical simulation development of fire in RTV
  
• Сборник примерни задачи и тестови въпроси по „Приложна механика на флуидите”
  
• Механика на флуидите
  
• CFD simulation about influence of air conditioner over turbulence intensity in a room
  
• Numerical modeling the interaction of turbulent jet with suction opening with presence of an angle between sections
  
• CFD simulation of the influence of air conditioner on the turbulence intensity in residential room
  
• Моделиране и симулация на пожари
  
• Modeling of Fire in Road Tunnels
  
• Energy parameters assessment, under scale effect calculation of centrifugal fans with radial blades
  
• КОНСТРУИРАНЕ И ВНЕДРЯВАНЕ НА 3D ПРИНТИРАНИ ЕЛЕМЕНТИ В ЛАБОРАТОРНИ УСЛОВИЯ
  
• Моделиране на ноздри върху лице на виртуален топлинен манекен
  
• Input parameters for development of pneumatic system, for simulating the breathing cycle of human occupants in indoor environment
  
• Development of virtual 3D human manikin with integrated breathing functionality
  
• CFD modelling of flow interaction in the breathing zone of a virtual thermal manikin
  
• Geometrical characteristics’ impact over the thermal plume modelling with breathing thermal manikins
  
• Reliability of the Results from Unplanned Subjective Assessment of the Indoor Air Quality and Thermal Comfort Parameters in Small Lecture Room
  
• Compact Breathing Simulation System, Developed as Additional Functionality for Thermal Manikins
  
• Assessment of transient CFD techniques for virtual thermal manikins’ breathing simulations
  
• Geometrical form assessment of a CFD based breathing thermal manikins, designed by simplified polygonal shapes
  
• Instantaneous field measurements of thermal bridge parameters in ground floor residential room
  
• Dew point temperature analyses in ground floor residential room with existing thermal bridge
  
• Exhaled air speed measurements of respiratory air flow, generated by ten different human subjects, under uncontrolled conditions
  
• Thermal bridge modelling, based on conjugated heat transfer and CFD methods
  
• Indoor and outdoor environment impact over the generic conditions for thermal bridge appearance
  
• Охарактеризиране на термомост в жилищното помещение, чрез полеви измервания на параметрите на средата
  
• Анализ на термографски изображения, на участници в експериментално измерване на скоростта на въздушно течение, генерирано при издишване
  
• Многоточково експериментално измерване на скоростта на въздушно течение, генерирано при фазата на издишване, от респираторния цикъл при хората
  
• Velocity distribution in simulated exhale air flow, with virtual breathing thermal manikins
  
• Comparative analyses of air flow characteristics, through two variants of prototyped device for fine dust particles concentration measurement
  
• Моделиране на въздушно течение през прототипиран уред за измерване на количеството на фини прахови частици в атмосферния въздух
  
• Comparison of different CFD techniques for transient modelling of virtual breathing thermal manikins
  
• Numerical optimisation of polygonal breathing thermal manikins
  
• Stack effect in high-rise buildings – importance of the curtain walling, windows and doorsets airtightness for the building performance
  
• Fluid Mechanics – Lecture Course
  
• Reliability of IAQ subjective vote, collected during unorganized experimental measurements
  
• Human breathing cycle simulation system, developed as additional functionality for thermal manikins
  
• Schematic solution of pneumatic system development, for simulating the breathing cycle of human occupants in indoor environment
  
• Human response to unorganized and spontaneous subjective assessment of the indoor environment parameters in small lecture room
  
• Fluid Mechanics – Laboratory Course and Short Theory
  
• Model build up for numerical study of the velocity field characteristics of jet flow in the work zone of small aerodynamic tunnel, by using LES method
  
• Results from numerical study of the velocity field characteristics of jet flow in the work zone of small aerodynamic tunnel, by using LES method
  
• Analyses of CO2 time variation records in naturally ventilated occupied spaces
  
• Експериментално охарактеризиране на скоростно поле на струйно течение в работния участък на аеродинамичен тунел към катедра „Хидроаеродинамика и хидравлични машини”, при ТУ София
  
• Experimental study of the velocity field characteristics of jet flow in the work zone of small aerodynamic tunnel
  
• Мотивация и планиране на числено изследване на параметрите на микроклимата в обитаемо помещение с неконтролируема, неорганизирана естествена вентилация
  
• Development of thermal bridge numerical model, based on conjugate heat transfer and indoor and outdoor environment parameters
  
• Two-dimensional numerical tests, of drag compensation device for on-road freight vehicles, based on CFD methods
  
• Moisture accumulation analyses over windowpane, based on field measurements in sleeping room
  
• “Analyses of wall surface condensation risk, based on CFD model with conventional room radiator”
  
• Fluid Mechanics - Set of protocols for laboratory exercises
  
• Energy Characteristic Analyses of Waste Wood Pellets
  
• Разработване на софтуер за управление на двигателите и сензорната система на стенд за двумерно многоциклово натоварване
  
• СЪЗДАВАНЕ НА НОВА МЕТОДИКА ЗА ИЗПИТВАНЕ НА ПЛЕТЕНИ ПЛАТОВЕ ПРИ ДВУМЕРНО И ПАСИВНО ТРИМЕРНО НАТОВАРВАНЕ НА ОПЪВАНЕ
  
• РАЗРАБОТВАНЕ НА НОВ МЕТОД И УСТРОЙСТВО ЗА ИЗПИТВАНЕ НА ПЛЕТЕНИ ПЛАТОВЕ ПРИ ДВУМЕРНО И ПАСИВНО ТРИМЕРНО МНОГОЦИКЛОВО НАТОВАРВАНЕ С МАЛКИ ОПЪНОВИ СИЛИ
  
• Изисквания при машинно бродиране на екстремно малки букви
  
• Възможност за измерване на линейно преместване на плетени структури при двумерно циклично натоварване с компютърно зрение
  
• Изпитване на кръглоплетен плат от гладка еднолицева плетка при двумерно многоциклово натоварване на опън в областта на малките опънови сили до гранично удължение: теоретична част
  
• Изпитване на кръглоплетен плат от гладка еднолицева плетка при двумерно многоциклово натоварване на опън в областта на малките опънови сили до гранично удължение: експериментални резултати
  
• Изпитване на кръглоплетен плат от гладка еднолицева плетка при двумерно многоциклово натоварване на опън в областта на малките опънови сили до гранична сила
  
• Определяване някои физико-механични показатели на заготовки за съдови протези
  
• Дизайнерска и конструктивно-технологична концепция за детско облекло
  
• Възможности на машинното бродиране за създаване на дизайнерски интерпретации
  
• Определяне началните параметри за двумерни физико-механични изпитвания на еднолицеви напречно плетени платове
  
• Анализ на съществуващите методи за моделиране на бримкова структура
  
• Сравнение на аналитични модели за описване механичното поведение на напречно плетена структура като нелинеен хипереластичен материал
  
• Evaluation of stitch length accuracy of embroidery machine by different speed and step
  
• Компютърен дизайн на плетени изделия
  
• Application and technologies for textile sensors production used in pressure distribution measurement – a critical review
  
• Изследване на възможността за улавяне на вълнена мазнина
  
• Изкуствени текстилни материали от соев протеин
  
• Интелигентни текстилни системи за медицински приложения
  
• Towards Sustainable Jeans Production: Experimental Evaluation of a Denim Fabric to Abrasion Resistance by Dry Fabric-to-Fabric Rubbing
  
• PROCEDURE FOR ASSESSMENT OF PLANE RADIANT TEMPERATURE DISTRIBUTION IN OCCUPIED SPACES
  
• Robust Mu-Controller for Electro-Hydraulic Steering System
  
• Implementation of embedded three-loop control algorithm for electrohydraulic power steering system
  
• Advanced embedded control of electrohydraulic power steering system
  
• Robust µ-controller for hydraulic spool valve, pilot operated with switching micro valves
  
• Robustness Analysis of an Electrohydraulic Steering Control System Based on the Estimated Uncertainty Model
  
• LQG Control of an Open Circuit Axial Piston Pump
  
• Design of Embedded Control System for Open Circuit Axial Piston Pump
  
• Robustness analysis of GA-PID and H, Embedded Control for Load-Sensing Electro-hydraulic Servo System
  
• Rapid Prototyping of H∞ Algorithm for Real-Time Displacement Volume Control of Axial Piston Pumps
  
• Experimental Study of Sound Pressure Level in Hydraulic Power Unit with External Gear Pump
  
• CFD Modeling and Experimental Validation of the Flow Processes of an External Gear Pump
  
• Advanced 2D Computational Fluid Dynamics Model of an External Gear Pump Considering Relief Grooves
  
• A CFD analysis of the performance characteristics of different Darrieus turbine runners
  
• A Study of a Darrieus Vertical Axis Wind Turbine with a guiding nozzle
  
• Determination of The Optimal Parameters of a Vertical Axis Wind Turbine with Cylindrical Guide Vane Unit
  
• Investigations of a vertical axis wind turbine with frontal cylindrical guide vane unit
  
• Синтез на работно колело на хидрокинетична турбина с вертикална ос
  
• Хибриден вентилатор
  
• Нова моделна вятърна турбина с вертикална ос
  
• Опитно изследване на работни колела на вятърна турбина тип Дариус
  
• Experimental analysis of cross-flow wind turbine with omni-directional multi-nozzle
  
• Investigation of vertical axis wind turbine with guiding flat plates
  
• Investigation of Operation of Heat Sensor Located on the Ceiling
  
• Въведение в теорията на пожарите, възникващи при моторни превозни средства,
  
• Изменение на параметрите на конвективни струи по траекторията им
  
• Разпространение и въздействие на радиационния топлообмен при пожари на автомобили
  
• Modelling of occurrence and spread of fire in RTV
  
• Наръчник на доброволните формирования за защита при бедствия, пожари и други извънредни ситуации
  
• Пожароизвестителни системи
  
• Пожарна безопасност на обекти в експлоатация
  
• ДИХАТЕЛНА ЗАЩИТА СРЕДСТВА ЗА ЗАЩИТА НА ДИХАТЕЛНИТЕ ОРГАНИ