Answered: A certain coal-fired power plant has a…

A certain coal-fired power plant has a rated power capacity of P = 950 MW. The output of this plant is W = 0.39QH, where QH is the energy input as heat from the hot reservoir.

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter44: Geothermal Heat Pumps

Section: Chapter Questions

Problem 13RQ: If 14 gpm of water is flowing through an open-loop heat pump with a temperature difference of 7F,...

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Question

A certain coal-fired power plant has a rated power capacity of P = 950 MW. The output of this plant is W = 0.39Q_H, where Q_H is the energy input as heat from the hot reservoir.

a. Calculate the maximum thermal efficiency of the power plant.

b. Calculate the absolute value of the exhausted heat (Q_C) each second in MJ for the power plant.

c. How many tons n_C of this coal is exhausted as wasted heat to Q_C in a single day?

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