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el is 0.9 and the fuel ente mnr npressibility of fuel may b

el is 0.9 and the fuel ente mnr npressibility of fuel may b

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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Question
8.6 A six cylinder diesel engine produces 100 kW at 1500 rpm. The specific fuel consumption of the engine is 0.3 kg/kW h. Each cylinder has a separate fuel pump, injector and pipe line. At the beginning of effective plunger stroke of one fuel pump, the fuel in the pump barrel is 4 cc, fuel inside the injector is 2 cc and fuel in the pipe line is 3 cc. If the average injector pressure is 300 bar and average pressure of charge during injection is 40 bar, calculate the displacement volume of one plunger per cycle and power lost in pumping fuel to the engine (for all cylinders). Specific gravity of fuel is 0.9 and the fuel enter the pump barrel at 1 bar. Coefficient of compressibility of fuel may be taken as 80 x 10-6 per bar.
Transcribed Image Text:8.6 A six cylinder diesel engine produces 100 kW at 1500 rpm. The specific fuel consumption of the engine is 0.3 kg/kW h. Each cylinder has a separate fuel pump, injector and pipe line. At the beginning of effective plunger stroke of one fuel pump, the fuel in the pump barrel is 4 cc, fuel inside the injector is 2 cc and fuel in the pipe line is 3 cc. If the average injector pressure is 300 bar and average pressure of charge during injection is 40 bar, calculate the displacement volume of one plunger per cycle and power lost in pumping fuel to the engine (for all cylinders). Specific gravity of fuel is 0.9 and the fuel enter the pump barrel at 1 bar. Coefficient of compressibility of fuel may be taken as 80 x 10-6 per bar.
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