1. In the open-circuit steam plant, boiler feed water at atmospheric pressure 1 bar and 35°C is pumped into an oil-fired boiler which produces dry-saturated steam at 10 bar. This steam enters a steam turbine and is expanded isentropic ally to atmospheric pressure and freely discharged into the atmosphere. Find a. The thermal efficiency of the plant. b. The work ratio c. The specific steam consumption

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter1: Basic Modes Of Heat Transfer
Section: Chapter Questions
Problem 1.75P: Referring to Problem 1.74, how many kilograms of ice can a 3-ton refrigeration unit produce in a...
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1. In the open-circuit steam plant, boiler feed water at atmospheric
pressure 1 bar and 35°C is pumped into an oil-fired boiler which
produces dry-saturated steam at 10 bar. This steam enters a steam
turbine and is expanded isentropic ally to atmospheric pressure and
freely discharged into the atmosphere. Find
a. The thermal efficiency of the plant.
b. The work ratio
c. The specific steam consumption
2. By adding a condenser to the steam plant problem#1, the turbine
back pressure was reduced to 0.2 bar. Find
a. The condition of the exhaust moisture from the turbine
b. The work ratio
c. The specific steam consumption
200
Transcribed Image Text:1. In the open-circuit steam plant, boiler feed water at atmospheric pressure 1 bar and 35°C is pumped into an oil-fired boiler which produces dry-saturated steam at 10 bar. This steam enters a steam turbine and is expanded isentropic ally to atmospheric pressure and freely discharged into the atmosphere. Find a. The thermal efficiency of the plant. b. The work ratio c. The specific steam consumption 2. By adding a condenser to the steam plant problem#1, the turbine back pressure was reduced to 0.2 bar. Find a. The condition of the exhaust moisture from the turbine b. The work ratio c. The specific steam consumption 200
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