Image du cours HEATING AND VENTILLATION
Air Conditioning and Refrigeration

MODULE CONTENT UNIT 1: COOLING LOAD AND DESGN OF AR-CONDITIONING SYSTEMS Introduction,  Sensible  Heat  Gain  through  Building  Structure  by  conduction,  Sol  Air Temperature, Solar Heat Gain through Glass Areas, Heat Gain due to ventilation, Heat Gain from Occupants, FANS, Types of Fans, Centrifugal Fans, Axial Flow Fans, Total pressure Developed by a Fan, Fan Air Power, FAN EFFICIECIES, Chillers, Pumps and Piping, Diffusers and Grilles, Cooling Coils and Heating Coils, Air-Conditioning Filters, Window  Air-Conditioner,  Packaged  Air-Conditioners,  Spilt  Air-Conditioning  Units, Cooling Towers, Classification of Cooling Towers Cooling Towers 

UNIT 2 SELECTIONS OF AIR CONDITIONING SYSTEMS 

Introduction  to  thermal  distribution  systems  and  their  functions,  Selection  criteria  for  air conditioning  systems,  Classification  of  air  conditioning  systems,  Working  principle, advantages,  disadvantages  and  applications  of  all  air  systems,  namely:  a)  Single  duct, constant  volume,  single  zone  systems  b)  Single  duct,  constant  volume,  multiple  zone systems) c) Single duct, variable air volume (VAV) systems d) Dual duct, constant volume and variable volume systems e) Outdoor air control in all air systems f) Advantages of all air  systems  g)  Disadvantages  of  all  air  systems  (Section  h)  Applications  of  all  air  systems ,Working  principle,  advantages,  disadvantages  and  applications  of  all  water  systems)  , Working  principle,  advantages,  disadvantages  and  applications  of  air-  water  systems (Section,  Working  principle,  advantages,  disadvantages  and  applications  of  unitary refrigerant based systems 

UNIT 3: TRANSMISSION OF AIR IN AIR CONDITIONING DUCTS 

Describe  an  Air  Handling  Unit  (AHU)  and  its  functions  ,Discuss  the  need  for  studying transmission  aspects  of  air  in  air  conditioning  ,Discuss  airflow  through  air  conditioning ducts, Bernoulli and modified Bernoulli equations, Static, dynamic, datum and total head, Fan  Total  Pressure  (FTP)  and  power  input  to  fan  ,Discuss  estimation  of  pressure  loss through  air  conditioning  ducts  ,  Estimation  of  frictional  pressure  drop  of  circular  and rectangular  ducts  using  friction  charts  and  equations  ,  Estimation  of  dynamic  pressure drop in various types of fittings ,Static regain 

UNIT 4: DESIGN OF AIR CONDITIONING DUCTS 

Important  requirements  of  an  air  conditioning  duct  ,  General  rules  for  duct  design ,Classification of duct systems ,Commonly used duct design methods , Principle of velocity method  ,Principle  of  equal  friction  method  ,  Principle  of  static  regains  method  , Performance of duct systems ,System balancing and optimization , Introduction to fans and fan laws ,Interaction between fan and duct system 

UNIT 5: SPACE AIR DISTRIBUTION 

Requirements  of  a  proper  air  distribution  system,  definition  of  Air  Distribution Performance  Index  and  Space  Diffusion  Effectiveness  Factor  ,  Design  of  air  distribution 

Image du cours HEATING AND VENTILATION TECHNOLOGY
Air Conditioning and Refrigeration

MODULE CONTENT 
UNIT 1: COOLING LOAD AND DESGN OF AR-CONDITIONING SYSTEMS 
Introduction, Sensible Heat Gain through Building Structure by conduction, Sol Air Temperature, Solar Heat Gain through Glass Areas, Heat Gain due to ventilation, Heat Gain from Occupants, FANS, Types of Fans, Centrifugal Fans, Axial Flow Fans, Total pressure Developed by a Fan, Fan Air Power, FAN EFFICIECIES, Chillers, Pumps and Piping, Diffusers and Grilles, Cooling Coils and Heating Coils, Air-Conditioning Filters, Window Air-Conditioner, Packaged Air-Conditioners, Spilt Air-Conditioning Units, Cooling Towers, Classification of Cooling Towers Cooling Towers 
UNIT 2 SELECTIONS OF AIR CONDITIONING SYSTEMS 
Introduction to thermal distribution systems and their functions, Selection criteria for air conditioning systems, Classification of air conditioning systems, Working principle, advantages, disadvantages and applications of all air systems, namely: a) Single duct, constant volume, single zone systems b) Single duct, constant volume, multiple zone systems) c) Single duct, variable air volume (VAV) systems d) Dual duct, constant volume and variable volume systems e) Outdoor air control in all air systems f) Advantages of all air systems g) Disadvantages of all air systems (Section h) Applications of all air systems ,Working principle, advantages, disadvantages and applications of all water systems) , Working principle, advantages, disadvantages and applications of air- water systems (Section, Working principle, advantages, disadvantages and applications of unitary refrigerant based systems 
UNIT 3: TRANSMISSION OF AIR IN AIR CONDITIONING DUCTS 
Describe an Air Handling Unit (AHU) and its functions ,Discuss the need for studying transmission aspects of air in air conditioning ,Discuss airflow through air conditioning ducts, Bernoulli and modified Bernoulli equations, Static, dynamic, datum and total head, Fan Total Pressure (FTP) and power input to fan ,Discuss estimation of pressure loss through air conditioning ducts , Estimation of frictional pressure drop of circular and rectangular ducts using friction charts and equations , Estimation of dynamic pressure drop in various types of fittings ,Static regain 
UNIT 4: DESIGN OF AIR CONDITIONING DUCTS 
Important requirements of an air conditioning duct , General rules for duct design ,Classification of duct systems ,Commonly used duct design methods , Principle of velocity method ,Principle of equal friction method , Principle of static regains method , Performance of duct systems ,System balancing and optimization , Introduction to fans and fan laws ,Interaction between fan and duct system 
UNIT 5: SPACE AIR DISTRIBUTION 
Requirements of a proper air distribution system, definition of Air Distribution Performance Index andSpace Diffusion Effectiveness Factor , Design of air distribution systems, buoyancy effects anddeflection of air jets , Behaviour of free-stream jets, definitions of drop, throw, spread and entrainment ratio , Behaviour of circular jets ,Behaviour of rectangular jets , Characteristics of different types of air distribution devices, such as grilles, registers, ceiling diffusers, slotted diffusers etc, Return air inlets , Airflow pattern inside conditioned spaces using different types of air distribution devices ,Stratified mixing flow , Cold air distribution , Displacement flow , Spot cooling/heating ,Selection criteria for supply air inlets 
UNIT 6: VENTILATION FOR COOLING 

Discuss the use of ventilated air for cooling of buildings and cooling of occupants, Make a comparison between natural ventilation and mechanical ventilation, Discuss characteristics of natural ventilation and estimation of airflow rate due to wind and stack effects, List the general guidelines for natural ventilation , Discuss briefly forced ventilation using electric fans , Discuss interior air movement using interior fans, unit ventilators, whole house fans and solar chimneys 


Image du cours heating and ventiration
Air Conditioning and Refrigeration

Second chapter  which is " CAR AIR CONDITIONING " for  THIRD YEAR  Air conditioning and refrigeration

it contains: 1. The working principal

                    2. System component

                     3, Service  the system