Refrigeration and Air Conditioning

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RAC: Refrigeration and Air Conditioning

Refrigeration and Air Conditioning is a very good field of heat and mass transfer, where the main aim is to provide effective comfort conditions to human beings.

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BASICS OF REFRIGERATION PROCESS

Refrigeration is the process of lowering down the temperature of the body than its surrounding temperature, by extracting an amount of heat from it.

It is a very good field of heat and mass transfer, where the main aim is to provide effective comfort conditions to human beings. So, we discuss in this course the effective areas where an engineer whose domain is refrigeration and air conditioning can perform effectively.

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Lessons

Compressor

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Length: 3 minutesAuthor: GaugeHow TeamComplexity: Easy

The main function of the compressor is to draw the vapors of the refrigerant from an evaporator so that a minimum temperature and pressure can be maintained in the evaporator.

Condenser

Length: 4 minutesAuthor: GaugeHow TeamComplexity: Easy

Condenser acts as a heat exchanger where it exchanges the heat of refrigerant vapor that is coming from the compressor, with some other external fluid which acts as a heat sink.

Expansion Devices

Length: 3 minutesAuthor: GaugeHow TeamComplexity: Easy

The main purpose of these devices in the refrigeration system is to reduce the condenser pressure to the evaporator pressure.

Refrigerants

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Length: 3 minutesAuthor: GaugeHow TeamComplexity: Easy

A Refrigerant is a fluid which presents initially in the tubes of the evaporator of any refrigeration system.

Multi Pressure System

Length: 3 minutesAuthor: GaugeHow TeamComplexity: Easy

multi pressure system is the refrigeration system having more than 2 pressure lines on the T-s graph.

Complete Vapour Compression System

Length: 5 minutesAuthor: GaugeHow TeamComplexity: Standard

It is the most widely used among all the refrigeration system. In this system, refrigeration is obtained as the refrigerant evaporates at a low temperature

Gas Refrigeration Cycle

Length: 5 minutesAuthor: GaugeHow TeamComplexity: Standard

In the gas refrigeration cycle, the working medium is air. It means that the cycle is very much similar to the vapor compression cycle (VCRS) where ammonia, etc is used as a refrigerant (working medium).

Fans

Length: 3 minutesAuthor: GaugeHow TeamComplexity: Easy

Fans are the mechanical devices whose primary function is to ventilation and cools down the surrounding space by circulating the air.

Solar radiations

Length: 5 minutesAuthor: GaugeHow TeamComplexity: Easy

Solar radiation is continually valued as a result of its effect on living matter and the effectiveness of its use for useful purposes.

Design Conditions

Length: 7 minutesAuthor: GaugeHow TeamComplexity: Standard

For the better design and analysis of air conditioning systems, a suitable selection of inside and outside design conditions is required