The desirable temperature of passenger cabin is 298 K. The ambient air pressure and temperature are 35 000 Pa and 258 K respectively. The pressure ratio of the jet compressor is 3. The plane speed is (50/3) kilometres per min. The pressure drop through the cooler coil is 0.1 bar. The pressure of the air leaving the cooling turbine is 0.106 MPa and that in the cabin is 1.01325 bar. The cabin cooling load is 58.05 kW. Mass flow rate of air is?
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At 298K, assuming ideal behaviour, the average kinetic energy of a deuterium molecule is same as that of a hydrogen molecule.
At any given temperature, the average kinetic energy of a molecule =
2
3
kT. It is independent of the molar mass of the molecule.
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