(a) Steam is supplied, dry saturated at 40 bar to a turbine and the condenser pressure is 0.035 bar. If the plant operates on the Rankine cycle, calculate, per kilogram of steam: (i) the work output neglecting the feed-pump work; (ii) the work required for the feed pump: (i) the heat transferred to the condenser cooling water, and the amount of cooling water required through the condenser if the temperature rise of the water is assumed to be 5.5 K;

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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(a) Steam is supplied, dry saturated at 40 bar to a turbine and the condenser pressure
is 0.035 bar. If the plant operates on the Rankine cycle, calculate, per kilogram of steam:
(i) the work output neglecting the feed-pump work;
(ii) the work required for the feed pump;
(i) the heat transferred to the condenser cooling water, and the amount of cooling
water required through the condenser if the temperature rise of the water is assumed
to be 5.5 K;
(iv) the heat supplied;
(v) the Rankine efficiency;
(vi) the specific steam consumption.
(b) For the same steam conditions calculate the cfficiency and the specific steam
consumption for a Carnot cycle operating with wet steam.
8.1
(986 kJ; 4 kJ; 1703 kJ; 74 kg; 2685 kJ; 36.6%; 3.67 kg/kW h; 42.7%;
4.92 kg/kW h)
Transcribed Image Text:(a) Steam is supplied, dry saturated at 40 bar to a turbine and the condenser pressure is 0.035 bar. If the plant operates on the Rankine cycle, calculate, per kilogram of steam: (i) the work output neglecting the feed-pump work; (ii) the work required for the feed pump; (i) the heat transferred to the condenser cooling water, and the amount of cooling water required through the condenser if the temperature rise of the water is assumed to be 5.5 K; (iv) the heat supplied; (v) the Rankine efficiency; (vi) the specific steam consumption. (b) For the same steam conditions calculate the cfficiency and the specific steam consumption for a Carnot cycle operating with wet steam. 8.1 (986 kJ; 4 kJ; 1703 kJ; 74 kg; 2685 kJ; 36.6%; 3.67 kg/kW h; 42.7%; 4.92 kg/kW h)
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