- 3 At The End Of The Compressor In A Jet Engine A Diffuser Receives Air Through Its 0 6m2 Inlet At 175m S And A Tempera 1 (27.77 KiB) Viewed 48 times
3. At the end of the compressor in a jet engine, a diffuser receives air through its 0.6m2 inlet at 175m/s and a tempera
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3. At the end of the compressor in a jet engine, a diffuser receives air through its 0.6m2 inlet at 175m/s and a tempera
3. At the end of the compressor in a jet engine, a diffuser receives air through its 0.6m2 inlet at 175m/s and a temperature and pressure of -15°C and 85kPa, respectively. The outlet velocity of the diffuser is extremely low and can be assumed to be negligible compared to the inlet (a) Draw a sketch of the diffuser with a system boundary for a control volume and label the values of area, pressure, temperature and velocity at its inlet and outlet (b) Assume the air is an ideal gas and determine the mass flow rate through the diffuser. Assume the specific gas constant to be 2871/kg.K. (c) Use the steady flow energy equation to find the change in enthalpy for the air through the diffuser. [Answers: 121kg/s, 15.3kJ/kg)
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