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Solar Absorption Chiller

 
 

Course :

Mechanical

Project Added on :

02-07-2014 08:46:40
 

Project By :

Ashay Singh, Poonam Sharma, Anjun Dhadhaniya, Pandya Kapil
 

Abstract :

The fossil fuel supplies of the world are limited and the fuel reserves are getting depleted. It is difficult to predict exact quantities of recoverable reserves of fossil fuels in the world. In Western Europe, there is a declining trend in energy consumption.However, the rate of decline in energy consumption has reduced. This is largely due to some slight recovery in economic activity and falling energy costs.
 

Description :

Solar energy is a renewable resource that can be utilized in different forms. Photovoltaic systems convert solar energy into electricity that can be used to power 
conventional electronic devices while solar thermal systems directly use solar energy to heat fluids for use in various thermal processes. This can be readily 
seen in solar water heaters where solar energy is converted to thermal energy in the form of hot water. The concept of using solar energy to heat fluids can also
 be applied to solar cooling systems as was done in this project. 

From a climatic viewpoint, the use of solar thermal cooling matches weather patterns. When high temperatures create a need for cooling, there is generally an 
abundance of solar energy available to power the solar cooling system. Different solar cooling process are possible, namely absorption, adsorption and 
desiccant cooling, which use different fluids and materials to accomplish the desired exchange of heat.

Solar absorption cooling systems utilize a closed-loop system, closely resembling a vapor-compression cycle, to take heat in from the cooling space and 
expel it to the environment. A refrigerant is used as the working fluid to transfer heat in the system. While these systems are similar to conventionally powered 
cooling systems, they differ to allow for heat to drive the cycle and, by absorbing the gaseous refrigerant in an absorbent fluid, lower the power requirement of 
the pump. Subsequent heating of the absorbent-refrigerant solution releases the refrigerant for use in the cooling cycle. Figure 1.2  shows a basic solar 
absorption cycle with heat inputs and outputs.
 

Images :

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