ExampledulmalekAir enters the compressor of an ideal air-standard Brayton cycle at 300K. the compressor ratio is 8and the turbine inlet temperature is 1300K. Determine:a) The gas temperature at the exit of the compressor and the turbine.b) The back work ratio.c) c) The thermal efficiency. Assume the compressor efficiency of 80 percent and the turbineefficiency of 85 percent.d) The thermal efficiency of the gas-turbine power plant if generation having an effectivenessof 80 percent is installed.Shay

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Answered: Example dulmalek Air enters the…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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In an air standard Brayton cycle the air enters the compressor at 0.1 MPa, 25 ∘C. The pressure leaving the compressor is 1 MPa. and the maximum temperature in the cycle is 1200 ∘C. Assume a compressor efficiency of 80%, a turbine efficiency of 85%, and a pressure drop between the compressor and turbine of 30 kPa. Use the PG model. a) Determine compressor work (w_C), b) Determine the turbine work (w_T), c) Determine the cycle efficiency (n_th,Brayton).
A turbojet aircraft moving with a velocity of 790 ft/s at a runway where the pressure& temperature is found to be 14.7psi & 546R. The axial flow compressor provides apressure ratio of 14 to 1. Temperature at the turbine inlet is 2000R. The mass flowrate of airinside the engine is 133 lbm/s. Determine the following:a. T-S diagramb. Pressure & temperature at each statec. Thrust force (lbf)d. Propulsive power developed (BTU/min)e. Propulsive Efficiency
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