rev/min, Assume the mean effective pressure is 925 kPa, he maximum mean piston speed is 15 m/s

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Internal Combustion Engines
Q2) A square four cylinder automotive spark-ignition engine is being designed to
provide a maximum brake torque of 150 N-m, in the mid-speed range 3000
rev/min, Assume the mean effective pressure is 925 kPa, he maximum mean
piston speed is 15 m/s
.i. Estimate the required engine displacement
ea 4
0.002 m3
0.003 m3
0.02 m3
0.0025 m3 O
Estimate the maximum brake power the engine will deliver
60 kw
65 kw
70 kw
75 kw
Transcribed Image Text:Q2) A square four cylinder automotive spark-ignition engine is being designed to provide a maximum brake torque of 150 N-m, in the mid-speed range 3000 rev/min, Assume the mean effective pressure is 925 kPa, he maximum mean piston speed is 15 m/s .i. Estimate the required engine displacement ea 4 0.002 m3 0.003 m3 0.02 m3 0.0025 m3 O Estimate the maximum brake power the engine will deliver 60 kw 65 kw 70 kw 75 kw
Estimate bore
3
0.076 m
0.086 m
0.08 m
0.068 m
4
Estimate stroke
0.086 m
0.076 m
0.068 m O
0.08 m O
Transcribed Image Text:Estimate bore 3 0.076 m 0.086 m 0.08 m 0.068 m 4 Estimate stroke 0.086 m 0.076 m 0.068 m O 0.08 m O
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