A certain coal-fired power plant has a rated power capacity of P = 850 MW. The output of this plant is W = 0.26QH, where QH is the energy input as heat from the hot reservoir. a. Write an equation for the efficiency of a heat engine in terms of QH and the heat QC exhausted to a low-temperature reservoir. b. What's the maximum thermal efficiency of the power plant? c. What's the absolute value of the exhausted heat (QC) each second in MJ for the power plant?
A certain coal-fired power plant has a rated power capacity of P = 850 MW. The output of this plant is W = 0.26QH, where QH is the energy input as heat from the hot reservoir. a. Write an equation for the efficiency of a heat engine in terms of QH and the heat QC exhausted to a low-temperature reservoir. b. What's the maximum thermal efficiency of the power plant? c. What's the absolute value of the exhausted heat (QC) each second in MJ for the power plant?
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter15: Thermodynamics
Section: Chapter Questions
Problem 26PE: Assume that the turbines at a coal—powered power plant were upgraded, resulting in an improvement in...
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A certain coal-fired power plant has a rated power capacity of P = 850 MW. The output of this plant is W = 0.26QH, where QH is the energy input as heat from the hot reservoir.
a. Write an equation for the efficiency of a
b. What's the maximum thermal efficiency of the power plant?
c. What's the absolute value of the exhausted heat (QC) each second in MJ for the power plant?
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