Contrails
The goal of the Contrails project is to help preserve and disseminate the technical record of 20th century aerospace research, highlighting in particular the research endeavors of the Illinois Tech community.

Rotor-Bearing Dynamics Design Technology. Part VII: The Three Lobe Bearing And Floating Ring Bearing

Report Number: AFAPL TR 65-45 Part 7
Author: Lund, J. W.
Corporate Author: Mechanical Technology Inc Latham NY
Laboratory: Air Force Aero Propulsion Laboratory
Date of Publication: 1968-02
Pages: 292
Contract: AF 33(615)-3238
Project: 3048
Task: 304806
AD Number: AD0829895

Abstract:
The volume treats three special bearing types selected for study because of their favorable stability characteristics and, hence, their potential for use in high speed rotating machinery applications. The three bearing types are: (a) The Three Lobe Journal Bearing; (b) The Floating Sleeve Bearing with an Incompressible Lubricant; (c) The Floating Sleeve Bearing with a Compressible Lubricant. In the floating sleeve bearings, the ring is prevented from rotating but is otherwise free to move. The ring is floated by pressurizing the outer film of the bearing. In the case of a compressible lubricant, the inner film is pressurized as well. The volume gives extensive design data in form of charts and tables from which the bearing dimensions can be obtained for a given application. Data are given for bearing flow, friction power loss and the speed at which hydrodynamic instability sets in. In addition, two computer programs accompany the volume, and instructions and listings of the programs are included. The programs may be used to obtain data for cases not covered by the presented design data.


Provenance:
Lockheed Martin Missiles & Fire Control
Download this report

(PDF, 9.38 MB, 292 pages)

Other options for obtaining this report

Via the Defense Technical Information Center (DTIC):
A record for this report, and possibly a full-image download of the report, exists at DTIC

Via National Technical Information Service:
The NTIS Order Number for this report is: AD829895
This report may have been digitized and made freely available for public download, or made publicly available for purchase by the National Technical Information Service through their online database, the National Technical Reports Library

Indications of Public Availability
No digital image of an index entry indicating public availability is currently available
There has been no verification of an indication of public availability from an inside cover statement