Superheated steam at 11,200 kPa and 615°C, enters the 1st stage turbine and expands to 150 kPa. It is then reheated to 340°C before entering the 2nd-stage turbine where it expands to a condenser pressure of 10 kPa. The net power output is 100, 000 kW. The turbine and pump efficiencies are 82%. Determine for the cycle: (a) the network per unit mass of steam flow in kJ/kg (b) the heat transfer rate to steam passing through the boiler and the heat transfer rate to cooling water passing through the condenser in kJ/s (c) the thermal efficiency.
Superheated steam at 11,200 kPa and 615°C, enters the 1st stage turbine and expands to 150 kPa. It is then reheated to 340°C before entering the 2nd-stage turbine where it expands to a condenser pressure of 10 kPa. The net power output is 100, 000 kW. The turbine and pump efficiencies are 82%. Determine for the cycle: (a) the network per unit mass of steam flow in kJ/kg (b) the heat transfer rate to steam passing through the boiler and the heat transfer rate to cooling water passing through the condenser in kJ/s (c) the thermal efficiency.
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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Superheated steam at 11,200 kPa and 615°C, enters the 1st stage turbine and expands to 150 kPa. It is then reheated to 340°C before entering the 2nd-stage turbine where it expands to a condenser pressure of 10 kPa. The net power output is 100, 000 kW. The turbine and pump efficiencies are 82%. Determine for the cycle: (a) the network per unit mass of steam flow in kJ/kg (b) the heat transfer rate to steam passing through the boiler and the heat transfer rate to cooling water passing through the condenser in kJ/s (c) the thermal efficiency.
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