A 4 cylinder 4-stroke S.I square engine has a compression ratio of (8), and bore (100 mm). The volumetric efficiency of each cylinder is (75%). The engine operates at a speed of (4800 rpm) with air to fuel ratio of (15).given the calorific value of fuel is (42 MJ/kg), atmospheric air density is (1.12 kg/ m3), mean pressure in the cylinder (10 bar) and mechanical eff (80%). Determine indicated thermal eff and brake power.
A 4 cylinder 4-stroke S.I square engine has a compression ratio of (8), and bore (100 mm). The volumetric efficiency of each cylinder is (75%). The engine operates at a speed of (4800 rpm) with air to fuel ratio of (15).given the calorific value of fuel is (42 MJ/kg), atmospheric air density is (1.12 kg/ m3), mean pressure in the cylinder (10 bar) and mechanical eff (80%). Determine indicated thermal eff and brake power.
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
Related questions
Question
![A 4 cylinder 4-stroke
S.I square engine has a
compression ratio of (8),
and bore (100 mm). The
volumetric efficiency of
each cylinder is (75%). The
engine operates at a speed
of (4800 rpm) with air to
fuel ratio of (15).given the
calorific value of fuel is
(42 MJ/kg), atmospheric
air density is (1.12 kg/
m3), mean pressure in
the cylinder (10 bar) and
mechanical eff (80%).
Determine indicated
thermal eff and brake
power.
[answer: 42.5% , 100.48
kw]
Jo 10:42](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F503be11f-4672-44e4-a95d-d66016ed3f9f%2F235b28d1-c914-48e2-bb45-54c708483582%2F8m8sj2n_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A 4 cylinder 4-stroke
S.I square engine has a
compression ratio of (8),
and bore (100 mm). The
volumetric efficiency of
each cylinder is (75%). The
engine operates at a speed
of (4800 rpm) with air to
fuel ratio of (15).given the
calorific value of fuel is
(42 MJ/kg), atmospheric
air density is (1.12 kg/
m3), mean pressure in
the cylinder (10 bar) and
mechanical eff (80%).
Determine indicated
thermal eff and brake
power.
[answer: 42.5% , 100.48
kw]
Jo 10:42
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