Analysis of failed flexible coupling of variable diffuser drive system of 1.2 m tunnel

Suresh Kumar, M and Sujata, M and Madan, M and Venkataswamy, MA and Bhaumik, SK (2006) Analysis of failed flexible coupling of variable diffuser drive system of 1.2 m tunnel. Project Report. National Aerospace Laboratories, Bangalore.

Full text not available from this repository. (Request a copy)

Abstract

A failure occurred in the geared flexible coupling of variable diffuser drive system of 1.2 m tunnel during movement. Post failure inspection revealed that driving gear of the left coupling had fractured into three pieces. Fractographic study confirmed that the gear had failed by fatigue. Evidences suggest that the key of the right coupling had sheared off sometime in the past. This had resulted in excessive load on the left coupling leading to multiple fatigue crack initiation and failure of the driving gear. A detailed analysis of the failure is presented in this report. A few recommendations are also made to prevent recurrence of similar failure.

Item Type: Proj.Doc/Technical Report (Project Report)
Uncontrolled Keywords: 1.2 m tunnel;variable diffuser drive;flexible coupling; gear; key;fatigue;excessive load
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: Mrs Manoranjitha M D
Date Deposited: 09 Aug 2011 11:23
Last Modified: 09 Aug 2011 11:23
URI: http://nal-ir.nal.res.in/id/eprint/9849

Actions (login required)

View Item