Research Papers

Development of a Smooth Running, Double-Spool, Gas-Turbine Rotor System

[+] Author and Article Information
J. R. Schnittger

Gas Turbine Department, Swedish Turbine Company Ljungström (STAL), Finspong, Sweden

J. Eng. Power 81(2), 151-160 (Apr 01, 1959) (10 pages) doi:10.1115/1.4008036 History: Received September 15, 1958; Published April 01, 1959; Online February 20, 2019


Bearing stability difficulties of a 10,000-kw gas-turbine plant comprising three independent shafts (those of the low-pressure compressor, the high-pressure compressor, and the power-turbine rotors) are discussed. The bearing design changes which finally resulted in a solution of this instability problem are outlined, followed by a theoretical discussion of dynamic shaft and bearing performance which explains the experimental findings.

Copyright © 1959 by ASME
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