(3). A gas turbine unit consists of a compressor, combustion chamber, turbine and heat exchanger. The unit has a pressure ratio of 6:1 and a maximum cycle temperature of 600°C. The isentropic efficiencies of the compressor and turbine are 0.8 and 0.85 respectively. The air enters the compressor at 15°C at a rate of 17kg/s. the heat exchanger effectiveness is 80%. If the compressor and turbine are connected by a rigid shaft, calculate: (a). the net power (b). the thermal efficiency (c) the thermal efficiency with the heat exchanger bypassed.

(3). A gas turbine unit consists of a compressor, combustion chamber, turbine and heat exchanger. The unit has a pressure ratio of 6:1 and a maximum cycle temperature of 600°C. The isentropic efficiencies of the compressor and turbine are 0.8 and 0.85 respectively. The air enters the compressor at 15°C at a rate of 17kg/s. the heat exchanger effectiveness is 80%. If the compressor and turbine are connected by a rigid shaft, calculate: (a). the net power (b). the thermal efficiency (c) the thermal efficiency with the heat exchanger bypassed.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

(3).
A gas turbine unit consists of a compressor, combustion chamber, turbine
and heat exchanger. The unit has a pressure ratio of 6:1 and a maximum
cycle temperature of 600°C. The isentropic efficiencies of the compressor and
turbine are 0.8 and 0.85 respectively.
The air enters the compressor at 15°C at a rate of 17kg/s. the heat exchanger
effectiveness is 80%. If the compressor and turbine are connected by a rigid
shaft, calculate:
(a). the net power
(b). the thermal efficiency
(c). the thermal efficiency with the heat exchanger bypassed.

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