In a combined power and process plant the boiler generates (21000 kh/hr) of steam at a pressure of (17 bar) and temperature (230 ºC). A part of the steam goes to a process heater consumes (132.56 kW), the steam leaving the process heater (0.957 dry) at (17 bar) being throttled to (3.5 bar). The remaining steam flows through an HP turbine which exhausts at a pressure of (3.5 bar). The exhaust steam mixes with the process steam before entering the LP turbine which develops (1337.5 kW). At the exhaust, the pressure is (0.3 bar) and the steam is (0.912 dry). Draw the line and T-s diagrams of the plant and determine : i – the steam quality at the exhaust of the HP turbine. ii – the power developed by the HP turbine iii – the isentropic efficiency of the HP turbine.
In a combined power and process plant the boiler generates (21000 kh/hr) of steam at a pressure of (17 bar) and temperature (230 ºC). A part of the steam goes to a process heater consumes (132.56 kW), the steam leaving the process heater (0.957 dry) at (17 bar) being throttled to (3.5 bar). The remaining steam flows through an HP turbine which exhausts at a pressure of (3.5 bar). The exhaust steam mixes with the process steam before entering the LP turbine which develops (1337.5 kW). At the exhaust, the pressure is (0.3 bar) and the steam is (0.912 dry). Draw the line and T-s diagrams of the plant and determine : i – the steam quality at the exhaust of the HP turbine. ii – the power developed by the HP turbine iii – the isentropic efficiency of the HP turbine.
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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In a combined power and process plant the boiler generates (21000 kh/hr) of steam at a pressure of (17 bar) and temperature (230 ºC). A part of the steam goes to a process heater consumes (132.56 kW), the steam leaving the process heater (0.957 dry) at (17 bar) being throttled to (3.5 bar). The remaining steam flows through an HP turbine which exhausts at a pressure of (3.5 bar). The exhaust steam mixes with the process steam before entering the LP turbine which develops (1337.5 kW). At the exhaust, the pressure is (0.3 bar) and the steam is (0.912 dry). Draw the line and T-s diagrams of the plant and determine : i – the steam quality at the exhaust of the HP turbine. ii – the power developed by the HP turbine iii – the isentropic efficiency of the HP turbine.
please explain the energy balance of the HP turbine
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