1. A spark ignition engine is on a test bed and gained the following characteristics during test. A brake horsepower of 100 HP. Volume displacement of 863.93 cm3, clearance volume of 167.15 cm, rotational speed of 2800 rpm, fuel flow rate of 25.5kg/hr. Determine the brake thermal efficiency, Mean Effective Pressure (Ib/ft2) and Compression ratio. Use heating value of fuel of 11435.48 kcal/ kg.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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1. A spark ignition engine is on a
test bed and gained the following
characteristics during test. A
brake horsepower of 100 HP.
Volume displacement of 863.93
cm3, clearance volume of 167.15
cm, rotational speed of 28O0
rpm, fuel flow rate of 25.5kg/hr.
Determine the brake thermal
efficiency, Mean Effective
Pressure (Ib/ft2) and
Compression ratio. Use heating
value of fuel of 11435.48 kcal/
kg.
Transcribed Image Text:1. A spark ignition engine is on a test bed and gained the following characteristics during test. A brake horsepower of 100 HP. Volume displacement of 863.93 cm3, clearance volume of 167.15 cm, rotational speed of 28O0 rpm, fuel flow rate of 25.5kg/hr. Determine the brake thermal efficiency, Mean Effective Pressure (Ib/ft2) and Compression ratio. Use heating value of fuel of 11435.48 kcal/ kg.
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