This document discusses different types of air conditioning systems and their components. It describes window air conditioning systems, split air conditioning systems, centralized air conditioning systems, and packaged air conditioning systems. It also discusses new technologies like district cooling systems and chilled beam systems. The cooling cycle/refrigeration cycle is explained through its key components: compressor, condenser, expansion valve, and evaporator. Requirements for coolants used in air conditioning systems are outlined.
By http://be-cool.in/ - There are various types of air conditioning systems. The application of a particular type of system depends upon a number of factors like how large the area is to be cooled, the total heat generated inside the enclosed area, etc. An HVAC designer would consider all the related parameters and suggest the system most suitable for your space.
Split Air Conditioner
Window Air Conditioner
Packaged Air Conditioner
Central Air Conditioning System
By http://be-cool.in/ - There are various types of air conditioning systems. The application of a particular type of system depends upon a number of factors like how large the area is to be cooled, the total heat generated inside the enclosed area, etc. An HVAC designer would consider all the related parameters and suggest the system most suitable for your space.
Split Air Conditioner
Window Air Conditioner
Packaged Air Conditioner
Central Air Conditioning System
I will describe those things in this PPT
Introduction
Principles of air-conditioning,
Type of-of air-conditioning,
Cooling cycle / refrigeration cycle,
The coolant,
thanks
What is meant by “Airconditioning”?
Human Comfort
Why do we need A.C.?
Advantages and Disadvantage of A.C.
Ideal room temperature
some terminology-
Dry-bulb temperature
Wet-bulb temperature:
Dew point
Latent heat
Absolute humidity
Relative humidity
Specific humidity
Sensible heat
Evaporating Cooling
Condensation
Enthalpy
Entropy
7. Classification of air conditioners
8. Windows AC- advantages
Parts of the Window Air Conditioners
Working
The refrigeration system,
Air circulation system-room air cycle and
The hot air cycle.
Ventilation system,
Control system,
electrical protection system.
9.Split or Ductless AC-
Advantages, parts indoor and outdoor,
Types-
Wall mounted
Floor mounted/Tower AC
Ceiling mounted/Cassette AC
Multi Split ACs
10. Central Air Conditioning System
Advantages and disadvantages
11. Key differences between "Window", "Split" and a "cassette" air conditioners.
12. Cooling capacity
13. Energy Efficiency
14.Energy Consumption
15.Energy Efficiency Ratio
16.Energy Saving Methods
17.Some AC brands
Its the detailed process of the Centralized Air conditioning system. It is the apt notes required for architecture students. It has the components and sub topics with the detailed explanation of the mechanism of how it works
This a HVAC presentation for Air Conditioning systems giving a description of the systems and their types including the case study in Calicut city, It also includes bylaws required for air conditioning design
I will describe those things in this PPT
Introduction
Principles of air-conditioning,
Type of-of air-conditioning,
Cooling cycle / refrigeration cycle,
The coolant,
thanks
What is meant by “Airconditioning”?
Human Comfort
Why do we need A.C.?
Advantages and Disadvantage of A.C.
Ideal room temperature
some terminology-
Dry-bulb temperature
Wet-bulb temperature:
Dew point
Latent heat
Absolute humidity
Relative humidity
Specific humidity
Sensible heat
Evaporating Cooling
Condensation
Enthalpy
Entropy
7. Classification of air conditioners
8. Windows AC- advantages
Parts of the Window Air Conditioners
Working
The refrigeration system,
Air circulation system-room air cycle and
The hot air cycle.
Ventilation system,
Control system,
electrical protection system.
9.Split or Ductless AC-
Advantages, parts indoor and outdoor,
Types-
Wall mounted
Floor mounted/Tower AC
Ceiling mounted/Cassette AC
Multi Split ACs
10. Central Air Conditioning System
Advantages and disadvantages
11. Key differences between "Window", "Split" and a "cassette" air conditioners.
12. Cooling capacity
13. Energy Efficiency
14.Energy Consumption
15.Energy Efficiency Ratio
16.Energy Saving Methods
17.Some AC brands
Its the detailed process of the Centralized Air conditioning system. It is the apt notes required for architecture students. It has the components and sub topics with the detailed explanation of the mechanism of how it works
This a HVAC presentation for Air Conditioning systems giving a description of the systems and their types including the case study in Calicut city, It also includes bylaws required for air conditioning design
Read these 3 critical reasons why completing your HVAC load calculations before purchase will ensure you to buy the right sized air conditioning system.
If your home or business is in the Phoenix Valley, and you’re looking for a reliable AC and heating company, call Hays Cooling and Heating today at 602 482 0229, or visit hayscoolingandheating.com.
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AIR CONDITIONER for Engineering Project.pptxARYANGOYAL72
Presentation on science behind AIR CONDITIONER. Can be helpful for engineering projects.
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An AC system is not only cools the room, that system do many things to make our life comfortable. It removes dust and dirt and fill with fresh air
Air condition system makes our life very comfortable.
We can protect hot or cold weather by air conditioning system
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2. SUB TOPIC
Introduction
Principles of air-conditioning
Type of of air-conditioning
Cooling cycle / refrigeration cycle
The coolant
3. INTRODUCTION
Definition - Air conditioning is the process of
altering the properties
of air (primarily temperature and humidity) to
more favorable conditions.
The control of these conditions may be
desirable to maintain the health and comfort of
the occupants, or to meet the requirements of
industrial processes irrespective of the external
climatic conditions
5. TYPE OF AIR-CONDITIONING
1) Window air-conditioning system
2) Split air-conditioning system
3) Centralised air-conditioning system
4) Package air-conditioning system
6. 1) Windows Air-conditioning System
Window air conditioners are one of the most
commonly used and cheapest type of air
conditioners.
To install one of these units, you need the space to
make a slot in the wall, and there should also be
some open space behind the wall.
Window air-conditioner units are reliable and
simple-to-install solution to keep a room cool
while avoiding the costly construction of a central
air system.
Better yet, when the summer heat dies down, these
units can be easily removed for storage, and you
can use the window sill for other purpose
7.
8. 2) Split Air-Conditioning System
The split air conditioner comprises of two parts:
the outdoor unit and the indoor unit.
The outdoor unit, fitted outside the room, houses
components like the compressor, condenser and
expansion valve.
The indoor unit comprises the evaporator or
cooling coil and the cooling fan. For this unit you
don’t have to make any slot in the wall of the
room.
Further, the present day split units have aesthetic
looks and add to the beauty of the room. The split
air conditioner can be used to cool one or two
rooms
9.
10. 3) Centralised Air-Conditioning System
The central air conditioning plants or the systems are used
when large buildings, hotels, theaters, airports, shopping
malls etc. are to be air conditioned completely.
The window and split air conditioners are used for single
rooms or small office spaces.
If the whole building is to be cooled it is not economically
viable to put window or split air conditioner in each and
every room.
Further, these small units cannot satisfactorily cool the
large halls, auditoriums, receptions areas etc.
11.
12. 4) Packaged Air-Conditioning System
The window and split air conditioners are usually
used for the small air conditioning capacities up to
5 tons.
The central air conditioning systems are used for
where the cooling loads extend beyond 20 tons.
The packaged air conditioners are used for the
cooling capacities in between these two extremes.
The packaged air conditioners are available in the
fixed rated capacities of 3,5, 7, 10 and 15 tons.
These units are used commonly in places like
restaurants, telephone exchanges, homes, small
halls, etc.
15. District Cooling System
District Cooling Systems (DCS) is a system
which distribute chilled water or other
media, usually provided from a dedicated
cooling plant, to multiple buildings for air
conditioning or other uses.
16. The Objectives :
To centralized production of
chilled water by using
district cooling plant. The
generated chilled water will
then be channeled to various
building blocks thru pre-
insulated seamless
underground pipes.
District Cooling System
17. The Advantages
1. Improve energy efficiency
2. Protect environment
3. Save spaces
4. Improve urban view
5. Reduce manpower for
operation and maintenance
District Cooling System
18. How The System Work ?
DC means the centralized production and distribution of
cooling energy. Chilled water is delivered via an
underground insulated pipeline to office, industrial and
residential buildings to cool the indoor air of the buildings
within a district. Specially designed units in each building
then use this water to lower the temperature of air passing
through the buildings ACS.
The output of one cooling plant is enough to meet the
cooling-energy demand of dozens of buildings. DC can
be run on electricity or natural gas, and can use either
regular water or seawater. Along with electricity and
water, DC constitute a new form of energy service.
District Cooling System
19. Why It Is Environmental Friendly ?
District cooling helps the
environment by increasing energy
efficiency and reducing
environmental emissions including
air pollution, the greenhouse gas
(GHG) carbon dioxide(CO2) and
ozone-destroying refrigerants.
District cooling can reduce annual
CO2emissions by about 1 ton for
every ton of district cooling
refrigeration demand served
District Cooling System
22. DCS- APPLICATION IN MALAYSIA
PUTRAJAYA
KUALA LUMPUR
INTERNATIONAL AIRPORT
BANGSAR
UKM
23. DCS - COMPONENTS
Central Chiller Plant – generate chilled water for
cooling purposes
Distribution Network – distribute chilled water to
building
User Station – interface own building air-conditioning
circuit
24. CHILLED BEAM SYSTEM
It is a type of convection HVAC system designed to heat or
cooled high rise building such as commercial building.
It’s primarily gives off its cooling effect through
convection by using water to remove heat from a room.
Pipes of water passed through the beam suspended short
distance from the ceiling of a room.
As the beam chills the air around it, the air becomes denser
and falls to the floor.
It is replaced by warmer air moving up from
below, causing a constant floe of convection and cooling
the room.
25.
26. Simple to design and control
Smaller ductwork
Less mechanical space
Less maintenance
Increase comfort
ADVANTAGES
27. Not well known in our industry
Higher construction cost
Many engineers aren’t familiar
with this technology
Dew point concerns, building must
have a good control of humidity to
prevent condensation on chilled
beam surface.
disadvantages
28. DEFINITION– a cycle that shows how the refrigerant vapor is inhaled
and discharged by the compressor to the condenser.
29. Compressor
-Inhaling the refrigerant
from the suction channel
- Compressing to the
discharge channel.
Hot refrigerant vapor and
high pressure
Condenser
-Remove heat from condenser
-Refrigerant vapor turn to liquid.
Hot refrigerant vapor and
high pressure
Expansion Valve
-Low the temperature and
pressure of liquid
-Control the flow rate in
-to the evaporator.
Cold refrigerant vapor and
low pressure
Evaporator
-Liquid turns to vapor
-Cold air flows out room
Cold refrigerant vapor and
low pressure
32. Heat is removed from the cooling by coolant.
Functions as a heat absorber from the evaporator
Good coolant must have features ;
1. Non toxic
2. Not explosive
3. Non-corrosive components
THE COOLANT
33. Not explosive
Soluble in oil to lubricate effectively
Harmless when responding to oil even in the presence of
moisture
Have a high resistance to electricity.
THE COOLANT