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A four-cylinder, four-stroke diesel engine has a bore of 212 mm and a stroke of 292 mm At full load at 720 rev/min the bmep is 5.93 bar and the specific fuel consumption is 0.226 kg/kW h. The air-fuel ratio as determined by exhaust gas analysis is 25/1. Calculate the brake thermal efficiency and the volumetric efficiency of the engine. Atmosphenc conditions are 1.01 bar and 15°C, and Qnet.us for the fuel may be taken as 44 200 kJ/kg (36%; 76.1%)

A four-cylinder, four-stroke diesel engine has a bore of 212 mm and a stroke of 292 mm At full load at 720 rev/min the bmep is 5.93 bar and the specific fuel consumption is 0.226 kg/kW h. The air-fuel ratio as determined by exhaust gas analysis is 25/1. Calculate the brake thermal efficiency and the volumetric efficiency of the engine. Atmosphenc conditions are 1.01 bar and 15°C, and Qnet.us for the fuel may be taken as 44 200 kJ/kg (36%; 76.1%)

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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A four-cylinder, four-stroke diesel engine has a bore of 212 mm and a stroke of 292 mm. At full load at 720 rev/min the bmep is 5.93 bar and the specific fuel consumption is 0.226 kg/kW h. The air-fuel ratio as determined by exhaust gas analysis is 25/1.Calculate the brake thermal efficiency and the volumetric efficiency of the engine. Atmosphenc conditions are 1.01 bar and 15°C, and Qnet.p, for the fuel may be taken as 44 200 kJ/kg (36%: 76.1%) 13.6
Transcribed Image Text:A four-cylinder, four-stroke diesel engine has a bore of 212 mm and a stroke of 292 mm. At full load at 720 rev/min the bmep is 5.93 bar and the specific fuel consumption is 0.226 kg/kW h. The air-fuel ratio as determined by exhaust gas analysis is 25/1.Calculate the brake thermal efficiency and the volumetric efficiency of the engine. Atmosphenc conditions are 1.01 bar and 15°C, and Qnet.p, for the fuel may be taken as 44 200 kJ/kg (36%: 76.1%) 13.6
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