12. An electric generating station is designed to have an electric output power of 1.40 MW using a turbine with 2/3 the efficiency of a Carnot engine. The exhaust energy is transferred by heat into a cooling tower at 100 °c. a) State the energy conversion flow of the electric generating system. b) Find the rate at which the station exhausts energy by heat as a function of the fuel combustion temperature, T c) If the hot reservoir is modified to run hotter by using more advanced combustion technology, evaluate how does exhaust power change. Justify your answer quantitatively or qualitatively.

12. An electric generating station is designed to have an electric output power of 1.40 MW using a turbine with 2/3 the efficiency of a Carnot engine. The exhaust energy is transferred by heat into a cooling tower at 100 °c. a) State the energy conversion flow of the electric generating system. b) Find the rate at which the station exhausts energy by heat as a function of the fuel combustion temperature, T c) If the hot reservoir is modified to run hotter by using more advanced combustion technology, evaluate how does exhaust power change. Justify your answer quantitatively or qualitatively.

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

12. An electric generating station is designed to have an electric output power of 1.40 MW using a turbine with 2/3 the efficiency
of a Carnot engine.
The exhaust energy is transferred by heat into a cooling tower at 100 °C.
a) State the energy conversion flow of the electric generating system.
b) Find the rate at which the station exhausts energy by heat as a function of the fuel combustion temperature, TH
c) If the hot reservoir is modified to run hotter by using more advanced combustion technology, evaluate how does exhaust
power change.
Justify your answer quantitatively or qualitatively.

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