Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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A steam turbine is supplied with steam at 20.6 bar and 95°C of superheat and expand to 0.0343 bar. Steam is bled of 4.9, 1.373, and 0.275 bar, the bled steam being cascaded from heater to heater until it discharges through a drain cooler to the condenser. Assuming that the turbine expansion is isentropic and the drain cooler raises the combined heater condensate to condenser temperature, determine the following:

(a) Total amount (kg) of bled steam per kg of feed.

(b) The amount of heat, in kJ, carried away by the condenser cooling water per kW·hr with feed heating.

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