Select an appropriate clutch system to transmit power from the engine to the compressor of a car air conditioner. Justify your selection. And explain in detail the working principle of the type of clutch you select.

Select an appropriate clutch system to transmit power from the engine to the compressor of a car air conditioner. Justify your selection. And explain in detail the working principle of the type of clutch you select.

Understanding Motor Controls

4th Edition

ISBN:9781337798686

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter34: Variable Voltage And Magnetic Clutches

Section: Chapter Questions

Problem 8RQ: When using a mechanical clutch, what determines how fast a load can be accelerated and the amount of...

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Concept explainers

Clutches, Brakes, Couplings, and Flywheels

The clutch is described as a machine element used to connect or disconnect two shafts together to transmit torque or power. The clutch works on the principles of friction. The clutch is commonly used in automobiles to transfer power from the driving shaft to the driven shaft.

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(b) A multiple plate clutch has more number of clutch plates. A typical clutch consist of the following important components which are drive (friction) plates and driven (steel) plates. If a multiple plate clutch with an effective diameter of 250 mm and 150 mm are able to transmit 60 kW at 1200 rpm. Also the end thrust is given as 4.5 kN and coefficient of friction is 0.13. Answer below questions; (i) Determine torque to be carry by friction clutch. (ii) Calculate number of plates required with uniform wear and uniform pressure theory. Compare your results.
(a) State the main advantages of toothed clutches. (b) Uniform wear theory is used in designing a new friction clutch. Explain your ideas and concepts to support the statement. (c) (d) A brand new Street Performace Clutch are capable to delivered 135 Nm torque when the engine's flywheel is rotating at 1400 RPM. The other technical specifications are describe in Table (c). Over the years, the clutch torque performance had reduced to 100 Nm due to wear and tear of the ceramic plate while the others specification was remained unchanged. (i) Assuming the steel plate were made to wear resistance. Examine how much has the ceramic plate worn off on each contact surface individually. (ii) Calculate the transmission power lost in kW. Table (c) Descriptions Clutch plate inner diameter Clutch plate outer diameter Number of ceramic plates Number of metal plates installed Coefficient of friction, µ Coil spring stiffness Number of coil spring installed Specifications 100 mm 200 mm 3 0.3 12,000 N/m 4…
Can you explain this table in designing friction clutch?
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...A single disc clutch with both sides of the disc effective has outside diameter of 250 mm and inside diameter of 150 mm. The applied force is limited to 20 kN based on axial pressure and the coefficient of friction is 0.25. Which of the following is the total torque that the clutch transmits? Assume uniform pressure conditions.Group of answer choices 510 Nm 1000 Nm 1020 Nm 500 Nm
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