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For these problems, assume air behaves as an ideal gas with R=0.287kJkgK. A compressor operates at steady...

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Civil Engineering

For these problems, assume air behaves as an ideal gas withR=0.287kJkgK.

  1. A compressor operates at steady state and takes in air fromambient 0 kPa, gage and 200 K. The outlet pressure is 60 kPa, gageand 400 K. Determine:
    1. the mass flow rate if the inlet area is 20 cm2 and the inletpressure is -5 kPa, gage.
    2. the minimum outlet temperature that is possible for thiscompressor.
    3. the isentropic efficiency of the compressor, assuming no heatloss.
    4. if there is a heat loss of 20 kJ/kg, the work required to runthe compressor, and the new isentropic efficiency.

Answer & Explanation Solved by verified expert
4.2 Ratings (803 Votes)
ANSWERMASS FLOWRATE The mass flow rate is the mass of a    See Answer
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