ENVIRONMENTAL FRIENDLY REFRIGERATION &
AIR CONDITIONING SYSTEM

SUBJECT:
AUTOMOBILE A/C BY UTILISING
WASTE HEAT & GASES

PRESENTED BY:
MS. KIRAN G. HORE
MS JYOTI S. KOTECHA
(MECHANICAL ENGINEERING)



ABSTRACT

It is the established fact that only about 30% of heat supplied by the fuel is converted into useful work, in case of internal combustion (I.C) engines and the rest is going waste to the atmosphere in the form of coolant losses (35%) and exhaust gas losses (35%). The conventional air con ....etc

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Thermodynamics is the branch of science concerned with heat and temperature and their relation to energy and work. It states that the behavior of these quantities is governed by the four laws of thermodynamics, irrespective of the composition or specific properties of the material or system in question. The laws of thermodynamics are explained in terms of microscopic constituents by statistical mechanics. Thermodynamics applies to a wide variety of topics in science and engineering, especially physical chemistry, chemical engineering and mechan ....etc

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Amiral Aziz , dan Rizka Elyza Sari

ABSTRACT
ENERGY AUDIT FOR THE AIR CONDITIONING SYSTEM IN THE COMMERCIAL BUILDING.
This papers presents some results of the energy audit was conducted in the commercial building i.e a hotel to recommended measures to decrease energy costs every month by identifying of energy loss. This audit focused on the air conditioning system. The performance of this system was examined to identify opportunities for improved energy efficiency. It is concluded that the therma ....etc

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How does it work?
Refrigeration and air conditioning is used to cool products or a building environment.
The refrigeration or air conditioning system (R) transfers heat from a cooler low-energy reservoir to a warmer high-energy reservoir
There are several heat transfer loops in a refrigeration system as shown in Figure 2. Thermal energy moves from left to right as it is extracted from the space and expelled into the outdoors through five loops of heat transfer:
Indoor air loop. In the left loop, indoor air is dr ....etc

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How does it work?
Cooling and air conditioning used to cool products or construction environment.
Refrigeration system or air conditioning heat from a cold into a warm layer of low energy high energy reservoir
There are several heat transfer loop cooling system, as shown in Figure 2. Heat energy moves from left to right, which is derived from the area and expelled into the air through five loops of heat transfer:
Indoor air loop. In the left loop, the air is fresh air through the cooling coil, where it transfers its heat to chilled water. Then ....etc

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Air conditioning (often referred to as AC, A.C., or A/C) is the process of altering the condition of air by removing heat and humidity to achieve a more comfortable interior environments, typically with the aim of distributing the conditioned air to an occupied space such as a building or a vehicle to improve thermal comfort and indoor air quality. In common use, an air conditioner is a device that removes heat from the air inside a building or vehicle, thus lowering the air temperature. The cooling is typically achieved through a refrigeration ....etc

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Heating or cooling of processes, equipment, or enclosed environments are within the purview of thermal engineering.
One or more of the following disciplines may be involved in solving a particular thermal engineering problem:
Thermodynamics
Fluid mechanics
Heat transfer
Mass transfer
Thermal engineering may be practiced by mechanical engineers and chemical engineers.
One branch of knowledge used frequently in thermal engineering is that of thermofluids.
Applications
Engineering : HVAC
Cooling of computer chips
Boiler design
Solar h ....etc

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