Failure analysis of components from 55 HP rotary engine

Suresh Kumar, M and Madan, M and Venkataswamy, MA and Sujata, M and Bhaumik, SK (2007) Failure analysis of components from 55 HP rotary engine. Project Report. National Aerospace Laboratories, Bangalore, India.

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Abstract

There was an incidence of failure in an indigenously developed 55 HP rotary engine during run on a test rig. The damaged components of the engine were subjected to detailed study for analyzing the cause of failure. Examination revealed that the failure of the needle bearing was the first in the chain of events. Following this, the shaft got misaligned leading to severe damages to various components and subsequent seizure in the engine. A comparative study carried out on the bearings of the failed engine and an imported engine suggests that the properties of the bearing used in the indigenously developed engine were not adequate for the application. It is recommended that a bearing similar to the imported one, capable of withstanding the load at the envisaged application temperature range be used to avoid recurrence of similar failure.

Item Type: Proj.Doc/Technical Report (Project Report)
Uncontrolled Keywords: Rotary engine;Bearing failure
Subjects: AERONAUTICS > Aeronautics (General)
CHEMISTRY AND MATERIALS > Chemistry and Materials (General)
Division/Department: Materials Science Division, Materials Science Division, Materials Science Division, Materials Science Division, Materials Science Division
Depositing User: Ms. Alphones Mary
Date Deposited: 27 Jul 2011 11:39
Last Modified: 27 Jul 2011 11:39
URI: http://nal-ir.nal.res.in/id/eprint/9602

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