Steam generated in a power plant at a pressure of 8600 kPa and a temperature 500°C is fed to a turbine. Exhaust from the turbine enters a condenser at 10 kP where it is condensed to saturated liquid, which is then pumped to the boiler. (a) What is the thermal efficiency of a Rankine cycle operating at these condition (b) What is the thermal efficiency of a practical cycle operating at these condition
Steam generated in a power plant at a pressure of 8600 kPa and a temperature 500°C is fed to a turbine. Exhaust from the turbine enters a condenser at 10 kP where it is condensed to saturated liquid, which is then pumped to the boiler. (a) What is the thermal efficiency of a Rankine cycle operating at these condition (b) What is the thermal efficiency of a practical cycle operating at these condition
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
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
Transcribed Image Text:Steam generated in a power plant at a pressure of 8600 kPa and a temperature of
500°C is fed to a turbine. Exhaust from the turbine enters a condenser at 10 kPa,
where it is condensed to saturated liquid, which is then pumped to the boiler.
(a) What is the thermal efficiency of a Rankine cycle operating at these conditions?
(b) What is the thermal efficiency of a practical cycle operating at these conditions
if the turbine efficiency and pump efficiency are both 0.75?
(c) If the rating of the power cycle of part (b) is 80,000 kW, what is the steam rate
and what are the heat-transfer rates in the boiler and condenser?
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