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RESEARCH PAPERS

Unbalance Response of a Dual Rotor System: Theory and Experiment

[+] Author and Article Information
K. Gupta, K. Athre

Mechanical Engineering Dept., Indian Institute of Technology, New Delhi, India

K. D. Gupta

Mechanical Engineering Dept., Engineering College, Kota, India

J. Vib. Acoust 115(4), 427-435 (Oct 01, 1993) (9 pages) doi:10.1115/1.2930368 History: Received May 01, 1990; Online June 17, 2008

Abstract

A dual rotor rig is developed and is briefly discussed. The rig is capable of simulating dynamically the two spool aeroengine, though it does not physically resemble the actual aeroengine configuration. Critical speeds, mode shape, and unbalance response are determined experimentally. An extended transfer matrix procedure in complex variables is developed for obtaining unbalance response of dual rotor system. Experimental results obtained are compared with theoretical results and are found to be in reasonable agreement.

Copyright © 1993 by The American Society of Mechanical Engineers
Topics: Rotors , Shapes
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