A steam turbine in a small electric power plant is designed to accept 4500 kg / hr of steam at 60 bar and 500oC and exhaust the steam at 10 bar. (a) Assuming that the turbine is adiabatic and has been very well designed, compute the power generated by the turbine. (b) In off-peak hours, the power output of the turbine is decreased by adjusting a throttling valve that reduces the turbine inlet steam pressure to 30 bar (see figure) while keeping the flow rate constant. Calculate the power output of the turbine.
A steam turbine in a small electric power plant is designed to accept 4500 kg / hr of steam at 60 bar and 500oC and exhaust the steam at 10 bar. (a) Assuming that the turbine is adiabatic and has been very well designed, compute the power generated by the turbine. (b) In off-peak hours, the power output of the turbine is decreased by adjusting a throttling valve that reduces the turbine inlet steam pressure to 30 bar (see figure) while keeping the flow rate constant. Calculate the power output of the turbine.
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
Problem 1.1P
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A steam turbine in a small electric power plant is designed to accept 4500 kg / hr of steam at 60 bar and 500oC and exhaust the steam at 10 bar.
(a) Assuming that the turbine is adiabatic and has been very well designed, compute the power generated by the turbine.
(b) In off-peak hours, the power output of the turbine is decreased by adjusting a throttling valve that reduces the turbine inlet steam pressure to 30 bar (see figure) while keeping the flow rate constant. Calculate the power output of the turbine.
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