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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
9.63Â Â Air enters the compressor of a regenerative air-standard Brayton cycle with a volumetric flow rate of 60 m3/s at 0.8 bar, 280 K. The compressor pressure ratio is 20, and the maximum cycle temperature is 2100 K. For the compressor, the isentropic efficiency is 92% and for the turbine the isentropic efficiency is 95%. For a regenerator effectiveness of 85%, determine
(a)Â Â Â the net power developed, in MW.
(b)Â Â Â the rate of heat addition in the combustor, in MW.
(c)Â Â Â the thermal efficiency of the cycle.
Â
  Plot the quantities calculated in parts (a) through (c)  for regenerator effectiveness values ranging from 0 to  100%.
Discuss.
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