Steam is supplied to a two-stage turbine at 40 bar and 500°C. In the first stage the steam expands isentropically to 3.0 bar at which pressure 2500 kg/h of steam is extracted for process work. The remainder is reheated to 500 °C and then expanded isentropically to 0.06 bar. The by-product power from the plant is required to be 6000 kW. Calculate the amount of steam required from the boiler, and the heat supplied. Neglect feed-pump terms, and assume that the process condensate returns at the
Steam is supplied to a two-stage turbine at 40 bar and 500°C. In the first stage the steam expands isentropically to 3.0 bar at which pressure 2500 kg/h of steam is extracted for process work. The remainder is reheated to 500 °C and then expanded isentropically to 0.06 bar. The by-product power from the plant is required to be 6000 kW. Calculate the amount of steam required from the boiler, and the heat supplied. Neglect feed-pump terms, and assume that the process condensate returns at the
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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Steam is supplied to a two-stage turbine at 40 bar and 500°C. In the first stage the steam expands isentropically to 3.0 bar at which pressure 2500 kg/h of steam is extracted for process work. The remainder is reheated to 500 °C and then expanded isentropically to 0.06 bar. The by-product power from the plant is required to be 6000 kW. Calculate the amount of steam required from the boiler, and the heat supplied. Neglect feed-pump terms, and assume that the process condensate returns at the
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Steam is supplied to a two-stage turbine at 40 bar and 500°C. In the first stage the
steam expands isentropically to 3.0 bar at which pressure 2500 kg/h of steam is extracted
for process work. The remainder is reheated to 500 °C and then expanded isentropically
to 0.06 bar. The by-product power from the plant is required to be 6000 kW. Calculate
the amount of steam required from the boiler, and the heat supplied. Neglect
fced-pump terms, and assume that the process condensate returns at the saturation
temperature to mix adiabatically with the condensate from the condenser.
8.7
(14950 kg/h: 15880 kW)
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