#Power point on Air refrigerator #
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Transcript of #Power point on Air refrigerator #
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02/05/2023 1
Presenting a power point presentation on Air Refrigerator.
Press F5 AND SEE ANNIMATION POWER POINT …DOWNLOAD FIRST….
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02/05/2023 2
Content:-
IntroductionWorking.
Advantages .Dis advantages.
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02/05/2023 3
Introduction:-
Air refrigerator is one of the oldest type of
refrigerator .
In this refrigerator air is refrigerant and operates on Bell Coleman Cycle.
It consists of :-
• Compressor• Expander• Cooler• Cold storage
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Working
Air from cold storage is sucked by air
compressor.
Air is compressed isotopically in compressor, pressure and
temperature of air increases .
PROCESS 1-2
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PROCESS 2-3
The hot air from the compressor is
cooled at constant pressure
in the cooler.
Temperature of air is reduced
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PROCESS 3-4High pressure and
the low temperature air is
expanded isentropically in the
expander .
But this work is not sufficient for
compressor and so external source is
used to supply extra work to compressor.
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PROCESS 4-1
The cold air from the expander passes heat from the bodies that is required to be cooled.
Then it again enter into the compressor,
cycle is completed and it is repeated
again and again.
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02/05/2023
8Dis-
advantage:-
It require
s
large
power.
It requires more
space.
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02/05/2023 9
Advantages of air refrigerator
As compared to the other refrigerator , weight of the refrigerator per ton of
refrigerator capacity is low.
Air is freely available from the nature .
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THANK YOU!!!!