Experimental study of rotordynamic coefficients of squeeze film dampers of an aircraft gas turbine engine /

aircraft gas turbine engine were investigated experimentally.

Bibliographic Details
Main Author: Na, Uhn Joo, 1967-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1996.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:aircraft gas turbine engine were investigated experimentally.
changing bearing damping and stiffness coefficients were well
Great amount of air bubbles were observed at the oil return
helped to suppress vibrationamplitudes at critical speeds.
lines.
matched with the coastdown plots of the test runs. The
model simulations. The damping coefficients changed with
respect to the rotational speed. Damping coefficients of
respect to the rotational speed. High oil supply pressure
Rotordynamic model(XLROTOR) for Gas Generator and Power
squeeze film dampers reduced effective support stiffness with
squeeze film dampers were mainly determined by the XLROTOR
The rotordynamic coefficients of squeeze film dampers of an
Turbine were constructed. The XLROTOR response plots with
Item Description:"Major subject: Mechanical Engineering".
Vita.
Physical Description:xxi, 200 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references: pages 189-192.