An eight-cylinder diesel engine has a front main bearing

Mechanical Engineering Design | 10th Edition | ISBN: 9780073398204 | Authors: Richard Budynas

Problem 12.16 Chapter 12

Mechanical Engineering Design | 10th Edition

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Mechanical Engineering Design | 10th Edition | ISBN: 9780073398204 | Authors: Richard Budynas

Mechanical Engineering Design | 10th Edition

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Problem 12.16

An eight-cylinder diesel engine has a front main bearing with a journal diameter of 3.500 in and a unilateral tolerance of 20.003 in. The bushing bore diameter is 3.505 in with a unilateral tolerance of 10.005 in. The bushing length is 2 in. The pressure-fed bearing has a central annular groove 0.250 in wide. The SAE 30 oil comes from a sump at 120F using a supply pressure of 50 psig. The sumps heat-dissipation capacity is 5000 Btu/h per bearing. For a minimum radial clearance, a speed of 2000 rev/min, and a radial load of 4600 lbf, find the average film temperature and apply Trumplers criteria in your design assessment.

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Chapter 12, Problem 12.16 is Solved
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Textbook: Mechanical Engineering Design
Edition: 10
Author: Richard Budynas
ISBN: 9780073398204

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