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2. A Rankine cycle has the following operating condi- tions: Steam pressure, 2.5 MPa Steam temperature350 o0 Exhaust pressure, 0.026 MPa Indicated steam rate, 5.45 kg/kwh Mechanical efficiency, 90% For ideal cycle and engine, calculate (a) the thermal effi- ciency, (b) the engine steam rate), (c) the actual condition of uhouot otoam and (d) the steam flow rate in keh for 1 Mw

2. A Rankine cycle has the following operating condi- tions: Steam pressure, 2.5 MPa Steam temperature350 o0 Exhaust pressure, 0.026 MPa Indicated steam rate, 5.45 kg/kwh Mechanical efficiency, 90% For ideal cycle and engine, calculate (a) the thermal effi- ciency, (b) the engine steam rate), (c) the actual condition of uhouot otoam and (d) the steam flow rate in keh for 1 Mw

Elements Of Electromagnetics
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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2. A Rankine cycle has the following operating condi- tions: Steam pressure, 2.5 MPa Steam temperature,350 o0 Exhaust pressure, 0.026 MPa Indicated steam rate, 5.45 kg/kwh Mechanical efficiency, 90% For ideal cycle and engine, calculate (a) the thermal effi- ciency, (b) the engine steam rate), (c) the actual condition of exhaust steam, and (d) the steam flow rate in kgh for 1 Mw generator output at 94% efficiency. Ans. (a) 28.6%, 28.5% (b) co kgdruuh: (c) 86 33%: (d) 6447 kg/h
Transcribed Image Text:2. A Rankine cycle has the following operating condi- tions: Steam pressure, 2.5 MPa Steam temperature,350 o0 Exhaust pressure, 0.026 MPa Indicated steam rate, 5.45 kg/kwh Mechanical efficiency, 90% For ideal cycle and engine, calculate (a) the thermal effi- ciency, (b) the engine steam rate), (c) the actual condition of exhaust steam, and (d) the steam flow rate in kgh for 1 Mw generator output at 94% efficiency. Ans. (a) 28.6%, 28.5% (b) co kgdruuh: (c) 86 33%: (d) 6447 kg/h
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