1Q3: An oil engine working on the dual combustion cycle has a compression.ratio of 15:1). At the end of suction the air is at (1 bar) and (27°C). DuringThe cycle the heat energy supplied during constant volume process is (150kj/kg) andThat at constant pressure process is (280kj/kg). Assuming the working fluid to beair throughout, determine the pressure, volume and temperature values at the salient pointsthe cycle efficiency and the mean effective pressure

Answered: 1 Q3: An oil engine working on the dual…

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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An engine operating on the air standard Diesel cycle has a compression ratio of 17/1 and the maximum and minimum cycle temperatures are 16200C and 48oC respectively. If the maximum cycle pressure is 55 bar, calculate the temp. and press. at the end of the expansion stroke the volume ratio of combustion the thermal efficiency of the cycle and mean effective pressure
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The condensing pressure for a Rankine engine is 0.001325 MPavac. Calculate the following for steam flow rate = 1 + (200/13) kg/sec of steam when the steam at the beginning of expansion is at 119.6 deg SH and 4.0 Mpaa. Draw the TS and equipment diagrams for the ideal and actual case and find for the following for the ideal case: PV and TS diagrams of the cycle showing ideal and actual process lines Heat rejected at condenser (KJ/sec). Ans.____________________________ Mass of cooling water in kg/sec if cp H2O = 4.18 KJ/kg-K, and inlet temp of water to condenser = 20 deg C, outlet temp is 35 deg C. Ans.____________________________ Rankine engine efficiency (%). Ans.____________________________ Cycle thermal efficiency ( %). Ans.____________________________

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