Automotive Technology: Principles, Diagnosis, And Service (6th Edition) (halderman Automotive Series)
6th Edition
ISBN: 9780135257272
Author: James D. Halderman
Publisher: PEARSON
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Textbook Question
Chapter 25, Problem 1RQ
What are the reasons why supercharging increases engine power?
Expert Solution & Answer
To determine
Explain the reason why supercharging increases the engine power.
Explanation of Solution
Supercharger:
Supercharger is referred to as an engine-driven air pump that provides a large quantity of air into the intake manifold, thereby boosting the engine power and torque. It provides an immediate boost to engine power with no delay. Since the supercharger is operated by the engine, it needs more horsepower, and therefore it is not more efficient when compared to turbocharger.
Supercharger has the ability to increase the air–fuel charge density. The increase in air–fuel charge density increases the engine power. Thus, supercharging increases the engine power.
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motor supplies 200 kW at 6 Hz to flange A of the shaft shown in Figure. Gear B transfers 125 W of power to operating machinery in the factory, and the remaining power in the shaft is mansferred by gear D. Shafts (1) and (2) are solid aluminum (G = 28 GPa) shafts that have the same diameter and an allowable shear stress of t= 40 MPa. Shaft (3) is a solid steel (G = 80 GPa) shaft with an allowable shear stress of t = 55 MPa. Determine:
a) the minimum permissible diameter for aluminum shafts (1) and (2)
b) the minimum permissible diameter for steel shaft (3).
c) the rotation angle of gear D with respect to flange A if the shafts have the minimum permissible diameters as determined in (a) and (b).
Chapter 25 Solutions
Automotive Technology: Principles, Diagnosis, And Service (6th Edition) (halderman Automotive Series)
Ch. 25 - What are the reasons why supercharging increases...Ch. 25 - Prob. 2RQCh. 25 - What are the advantages and disadvantages of...Ch. 25 - Prob. 4RQCh. 25 - Whit turbocharger control valves are needed for...Ch. 25 - The term volumetric efficiency refers to the...Ch. 25 - Boost pressure is generally measured in__________....Ch. 25 - Which valve is used on a factory supercharger to...Ch. 25 - How are most superchargers lubricated? a. By...Ch. 25 - How are most turbochargers lubricated? a. By...
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