Internal Combustion Engines Q2) A square four cylinder automotive spark-ignition engine is being designed toprovide a maximum brake torque of 150 N-m, in the mid-speed range 3000rev/min, Assume the mean effective pressure is 925 kPa, he maximum meanpiston speed is 15 m/s.i. Estimate the required engine displacementea 40.002 m30.003 m30.02 m30.0025 m3 OEstimate the maximum brake power the engine will deliver60 kw65 kw70 kw75 kw Estimate bore30.076 m0.086 m0.08 m0.068 m4Estimate stroke0.086 m0.076 m0.068 m O0.08 m O

Given: Four cylinder SI engine T=150 Nm bmep=925 kPa Maximum mean piston speed= 15 m/s To determine:…

Answered: rev/min, Assume the mean effective…

Engineering

Mechanical Engineering

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

Problem 1.1MA

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Question

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

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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