Steam engine with incomplete expansion receives saturated steam at 1.04 Mpa, expands it to 0.105 Mpa where release occurs. Exhaust is to a condenser at 40C. The actual engine uses 6070 kg/h of steam; it has a brake engine efficiency of 60% and a mechanical efficiency of 85%. The electric generator which it drives has an efficiency of 92%. (a) the indicated work in kW, indicated thermal efficiency and indicated steam rate, (b) the combined thermal efficiency and the combined steam rate.
Steam engine with incomplete expansion receives saturated steam at 1.04 Mpa, expands it to 0.105 Mpa where release occurs. Exhaust is to a condenser at 40C. The actual engine uses 6070 kg/h of steam; it has a brake engine efficiency of 60% and a mechanical efficiency of 85%. The electric generator which it drives has an efficiency of 92%. (a) the indicated work in kW, indicated thermal efficiency and indicated steam rate, (b) the combined thermal efficiency and the combined steam rate.
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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Provide a complete given and computation. Include all the decimals.
Steam engine with incomplete expansion receives saturated steam at 1.04 Mpa, expands it to 0.105 Mpa where release occurs. Exhaust is to a condenser at 40C. The actual engine uses 6070 kg/h of steam; it has a brake engine efficiency of 60% and a
(a) the indicated work in kW, indicated thermal efficiency and indicated steam rate,
(b) the combined thermal efficiency and the combined steam rate.
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