Boot strap Air Craft Refrigeration system

[@jatinprajapati8987]

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[@bestmechanicalengineering]

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[@gayatriprasada8416]

very very well explained. thank you so much for this

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[@user-kr8jr1fw9q]

A boot-strap air refrigeration system of 20 TR capacity is used for an aeroplane flying at an of 2000 m. The ambient air pressure and temperature are 0.8 bar and O°C. The ram air pressure and temperature are 1.05 bar and 17°C. The pressure of air after isentropic compression in the main compressor is 4 bar. This air is now cooled to 27C in another auxiliary heat exchanger and then expanded isentropically upto the cabin pressure of 1.01 bar. If the air leaves the cabin at 25°C and the efficiencies for the main compressor, auxiliary compressor and the cooling turbine are 80%; 75% and 80% respectively; find :1. Power required to operate the system ; and 2. C.O.P. of the system.

[@m_kaifsiddiqui9227]

Thank you ❣️

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