Superheated steam from boiler expands in turbine from initial pressure p₁ = 230 bar and initial temperature T₁ = 577 °C topressure p₂ = 1 MPa. Isentropic efficiency of turbine ns is 0.8. Steam mass flow rate am,h is 146 kg/s.Read from h,s-chartEnthalpy of superheated steam hEnthalpy after isentropic expansion h₂,sCalculate:Enthalpy at the turbine outlet h₂Power of turbine PMW

The power can be obtained by,where, themass flow rate.. is the inlet or initial enthalpy. is the…

Answered: P₁ = 230 bar and initial temperature T₁…

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Mechanical Engineering

P₁ = 230 bar and initial temperature T₁ = 577 °C to ss flow rate am,h is 146 kg/s.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

Superheated steam from boiler expands in turbine from initial pressure p₁ = 230 bar and initial temperature T₁ = 577 °C to
pressure p₂ = 1 MPa. Isentropic efficiency of turbine ns is 0.8. Steam mass flow rate am,h is 146 kg/s.
Read from h,s-chart
Enthalpy of superheated steam h
Enthalpy after isentropic expansion h₂,s
Calculate:
Enthalpy at the turbine outlet h₂
Power of turbine P
MW
<J/kg
kJ/kg
kJ/kg

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Step 1: To find the power of turbine and and enthalpy at outlet, given, p1=230 bar, T1=577 C, P2=1 Mpa.

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