In a Rankine cycle, steam enters the turbine at 8400 kPa and 350°C. The total condenser (i.e. exit stream is saturated liquid) operates at a pressure of 15 kPa. 1. Sketch the Rankine cycle indicating the known quantities in the cycle. 2. Determine the specific pump work and turbine work for the cycle assuming that both pump and turbine works ideally. 3. Determine the efficiency of the cycle assuming that both pump and turbine works ideally.
In a Rankine cycle, steam enters the turbine at 8400 kPa and 350°C. The total condenser (i.e. exit stream is saturated liquid) operates at a pressure of 15 kPa. 1. Sketch the Rankine cycle indicating the known quantities in the cycle. 2. Determine the specific pump work and turbine work for the cycle assuming that both pump and turbine works ideally. 3. Determine the efficiency of the cycle assuming that both pump and turbine works ideally.
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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Transcribed Image Text:In a Rankine cycle, steam enters the turbine at 8400 kPa and 350°C. The total condenser (i.e. exit stream is
saturated liquid) operates at a pressure of 15 kPa.
1. Sketch the Rankine cycle indicating the known quantities in the cycle.
2. Determine the specific pump work and turbine work for the cycle assuming that both pump and turbine works
ideally.
3. Determine the efficiency of the cycle assuming that both pump and turbine works ideally.
4. Determine the efficiency of the cycle assuming that the turbine has an efficiency of 85% and the pump has an
efficiency of 85%.
5. Suppose that in order to supply the heatin the cycle, a fuel whose calorific value is 42.48 MJ/kg is used. The
transfer of heat is assumed to be efficient. Determine the required amount of fuel used per kg of steam.
Note: You may use Computer Aided Thermodynamic Tables (CATT). Show all relevant quantities and calculations for this
problem.
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