An experiment is done on a single cylinder engine whose crankshaft makes two complete revolutions in every cycle and the observation data were recorded for 1 hour duration: Crankshaft revolutions =70000, Indicated mean effective pressure=38*0.7 bar, Engine swept volume=1.1 litres, Brake load on dynamometer=6kg, Brake drum diameter=37*0.8 cm, Fuel used=Diesel, Calorific value of fuel=41*0.75 MJ/kg. What percentage of indicated power is available at the engine output shaft? What will be the Indicated Specific Fuel Consumption (ISFC) in kg/kWh, if the conversion efficiency of heat released in the cylinder to indicated power is [38*0.9] %. If the conversion efficiency is less than or equal to 35%, then use [71]*0.5 % for finding conversion efficiency.
An experiment is done on a single cylinder engine whose crankshaft makes two complete revolutions in every cycle and the observation data were recorded for 1 hour duration: Crankshaft revolutions =70000, Indicated mean effective pressure=38*0.7 bar, Engine swept volume=1.1 litres, Brake load on dynamometer=6kg, Brake drum diameter=37*0.8 cm, Fuel used=Diesel, Calorific value of fuel=41*0.75 MJ/kg. What percentage of indicated power is available at the engine output shaft? What will be the Indicated Specific Fuel Consumption (ISFC) in kg/kWh, if the conversion efficiency of heat released in the cylinder to indicated power is [38*0.9] %. If the conversion efficiency is less than or equal to 35%, then use [71]*0.5 % for finding conversion efficiency.
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 experiment is done on a single cylinder engine whose crankshaft makes two complete revolutions in every cycle and the observation data were recorded for 1 hour duration: Crankshaft revolutions =70000, Indicated mean effective pressure=38*0.7 bar, Engine swept volume=1.1 litres, Brake load on dynamometer=6kg, Brake drum diameter=37*0.8 cm, Fuel used=Diesel, Calorific value of fuel=41*0.75 MJ/kg. What percentage of indicated power is available at the engine output shaft?
What will be the Indicated Specific Fuel Consumption (ISFC) in kg/kWh, if the conversion efficiency of heat released in the cylinder to indicated power is [38*0.9] %. If the conversion efficiency is less than or equal to 35%, then use [71]*0.5 % for finding conversion efficiency.
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