8.25 The schematic and T-s diagram below shows a steam power plant that operates on the regenerative cycle is shown below. Derive an equation for the efficiency of the cycle. Boiler 1 kg 6 Turbine 7 Y: kg 1 kg H, open heater H₂ = closed heater 1 kg vikg 1-Y₁-V₂ 9 5 Condenser 3 Y₂ kg Y₂ kg 1-V-V and 1 H₁ 9 2 Pump 2 Pump 1 Use the following information: Heat balance on the open heater 1: Y2 hs +(1-Y-Y2) h₂ = (1-y₁) hs Energy balance on heater 2: y₁ h7+[y2+ (1-ya- y2)] h₁ = 1x hs y: hy+[(1-y)] h₁ =1 x hs

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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8.25 The schematic and T-s diagram below shows
a steam power plant that operates on the
regenerative cycle is shown below. Derive an
equation for the efficiency of the cycle.
Boiler
1 kg
6
Turbine
7
Y: kg
1 kg
H, open heater
H₂ = closed heater
1 kg
vikg
1-Y₁-V₂
9
5
Condenser
3
Y₂ kg
Y₂ kg
1-V-V
and
1
H₁
9
2
Pump 2
Pump 1
Use the following information:
Heat balance on the open heater 1:
Y2 hs +(1-Y-Y2) h₂ = (1-y₁) hs
Energy balance on heater 2:
y₁ h7+[y2+ (1-ya- y2)] h₁ = 1x hs
y: hy+[(1-y)] h₁ =1 x hs
Transcribed Image Text:8.25 The schematic and T-s diagram below shows a steam power plant that operates on the regenerative cycle is shown below. Derive an equation for the efficiency of the cycle. Boiler 1 kg 6 Turbine 7 Y: kg 1 kg H, open heater H₂ = closed heater 1 kg vikg 1-Y₁-V₂ 9 5 Condenser 3 Y₂ kg Y₂ kg 1-V-V and 1 H₁ 9 2 Pump 2 Pump 1 Use the following information: Heat balance on the open heater 1: Y2 hs +(1-Y-Y2) h₂ = (1-y₁) hs Energy balance on heater 2: y₁ h7+[y2+ (1-ya- y2)] h₁ = 1x hs y: hy+[(1-y)] h₁ =1 x hs
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