A four-stroke, four-cylinder diesel engine running at 2000 rpm develops 60 kW. Brake thermal efficiency is 30% and calorific value of fuel (CV) is 42MJ / k_{g} . Engine has a bore of 120 mm and stroke of 100 mm. Take p_{a} = 1.15 kg / (m ^ 3) air-fuel ratio- 15:1 and eta_{m} = .8 Calculate (i) furl consumption kg/s) : (ii) air consumption (m^ 3/s );(ii) indicated thermal efficiency; (iv) volumetric efficiency: (v) brake mean effective pressure and (vi) mean piston speed.
A four-stroke, four-cylinder diesel engine running at 2000 rpm develops 60 kW. Brake thermal efficiency is 30% and calorific value of fuel (CV) is 42MJ / k_{g} . Engine has a bore of 120 mm and stroke of 100 mm. Take p_{a} = 1.15 kg / (m ^ 3) air-fuel ratio- 15:1 and eta_{m} = .8 Calculate (i) furl consumption kg/s) : (ii) air consumption (m^ 3/s );(ii) indicated thermal efficiency; (iv) volumetric efficiency: (v) brake mean effective pressure and (vi) mean piston speed.
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-stroke, four-cylinder diesel engine running at 2000 rpm develops 60 kW. Brake
thermal efficiency is 30% and calorific value of fuel (CV) is 42MJ / k_{g} . Engine has a bore of 120 mm and stroke of 100 mm. Take p_{a} = 1.15 kg / (m ^ 3) air-fuel ratio- 15:1 and eta_{m} = .8 Calculate (i) furl consumption kg/s) : (ii) air consumption (m^ 3/s );(ii) indicated thermal efficiency; (iv) volumetric efficiency: (v) brake mean effective pressure and (vi) mean piston speed.
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