HW6 : Water is the working fluid in an ideal Rankine cycle with reheat. Superheated vapor enters the turbine at 10 MPa, 480oC, and the condenser pressure is 6 kPa. Steam expands through the first-stage turbine to 0.7 MPa and then is reheated to 480 oC. Determine for the cycle(a) the heat addition, in kJ per kg of steam entering the first-stage turbine.(b) the thermal efficiency.(c) the heat transfer from the working fluid passing through the condenser to the cooling water, in kJ per kg of steam entering the first-stage turbine.(e)For the cycle of HW6, reconsider the analysis assuming the pump and each turbine stage have an isentropic efficiency of 80%. Answer the same questions as in HW6 for the modified cycle. HW 6: Water is the working fluid in an ideal Rankine cycle with reheat. Superheated vapor entersthe turbine at 10 MPa, 480°C, and the condenser pressure is 6 kPa. Steam expands through thefirst-stage turbine to 0.7 MPa and then is reheated to 480 °C. Determine for the cycle|(a) the heat addition, in kJ per kg of steam entering the first-stage turbine.|(b) the thermal efficiency.(e) the heat transfer from the working fluid passing through the condenser to the cooling water, inkJ per kg of steam entering the first-stage turbine.HW 7: For the cycle of HW6, reconsider the analysis assuming the pump and each turbine stagehave an isentropic efficiency of 80%. Answer the same questions as in HW6 for the modified|cycle.

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Answered: HW6 : Water is the working fluid in an…

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

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HW6 : Water is the working fluid in an ideal Rankine cycle with reheat. Superheated vapor enters the turbine at 10 MPa, 480^oC, and the condenser pressure is 6 kPa. Steam expands through the first-stage turbine to 0.7 MPa and then is reheated to 480 ^oC. Determine for the cycle
(a) the heat addition, in kJ per kg of steam entering the first-stage turbine.
(b) the thermal efficiency.
(c) the heat transfer from the working fluid passing through the condenser to the cooling water, in kJ per kg of steam entering the first-stage turbine.

(e)For the cycle of HW6, reconsider the analysis assuming the pump and each turbine stage have an isentropic efficiency of 80%. Answer the same questions as in HW6 for the modified cycle.

HW 6: Water is the working fluid in an ideal Rankine cycle with reheat. Superheated vapor enters
the turbine at 10 MPa, 480°C, and the condenser pressure is 6 kPa. Steam expands through the
first-stage turbine to 0.7 MPa and then is reheated to 480 °C. Determine for the cycle
|(a) the heat addition, in kJ per kg of steam entering the first-stage turbine.
|(b) the thermal efficiency.
(e) the heat transfer from the working fluid passing through the condenser to the cooling water, in
kJ per kg of steam entering the first-stage turbine.
HW 7: For the cycle of HW6, reconsider the analysis assuming the pump and each turbine stage
have an isentropic efficiency of 80%. Answer the same questions as in HW6 for the modified
|cycle.

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