A small civilian aircraft gasoline engine in an airplane, operating at 2.35 x 10³ rev/min, takes in energy 7.85 x 103 J and exhausts 4.60 x 10³ J for each revolution of the crankshaft. (a) How many liters of fuel does it consume in 1.00 h of operation if the heat of combustion of the fuel is equal to 4.03 x 107 J/L? L/h (b) What is the mechanical power output of the engine? Ignore friction and express the answer in horsepower. hp (c) What is the torque (in N m) exerted by the crankshaft on the load? N.m (d) What power (in W) must the exhaust and cooling system transfer out of the engine? W

A small civilian aircraft gasoline engine in an airplane, operating at 2.35 x 10³ rev/min, takes in energy 7.85 x 103 J and exhausts 4.60 x 10³ J for each revolution of the crankshaft. (a) How many liters of fuel does it consume in 1.00 h of operation if the heat of combustion of the fuel is equal to 4.03 x 107 J/L? L/h (b) What is the mechanical power output of the engine? Ignore friction and express the answer in horsepower. hp (c) What is the torque (in N m) exerted by the crankshaft on the load? N.m (d) What power (in W) must the exhaust and cooling system transfer out of the engine? W

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

A small civilian aircraft gasoline engine in an airplane, operating at 2.35 x 10³ rev/min, takes in energy 7.85 x 10³ J and exhausts 4.60 x 10³ J for each
revolution of the crankshaft.
(a) How many liters of fuel does it consume in 1.00 h of operation if the heat of combustion of the fuel is equal to 4.03 x 107 J/L?
L/h
(b) What is the mechanical power output of the engine? Ignore friction and express the answer in horsepower.
hp
(c) What is the torque (in N-m) exerted by the crankshaft on the load?
N•m
(d) What power (in W) must the exhaust and cooling system transfer out of the engine?
W

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