EXPERIMENTAL INVESTIGATION OF TWO-PHASE FLOW IN THRUST BEARINGS - PART II COOLED ROTATING SURFACE BEARING,
Abstract
This report describes the second experimental phase of a combined theoretical and experimental study of condensible vapor lubricated bearings. Under many practical operating conditions, con densation of the lubricant can be expected to occur within the bearing. Therefore,apor lubricated bearing problem is one of two phase flow with thermodynamics interactions. During the first phase of the experimental study, an externally pressurized steam-lubricated thrust bearing whose stationary surface could be cooled in a controlled fashion was studied. It was found that the bearing will collapse abruptly at some limiting load which depends on inlet stream conditions and rate of which the bearing surfaces withdraw heat from the lubricant. For this second phase of the experimental study, the posi tion and mounting of the cooled and uncooled surfaces were reversed. That is, the rotating surface is now cooled and is the lower surface, facing upward; and the stationary surface is uncooled, of low conductivity material, and faces downward. This phase of the study was undertaken to investigate the effects of imposing a centrifugal force field on the condensate film covering the cooled surface and to verify some of the results of the earlier experiments. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 01, 1963
- Accession Number
- AD0418406
Entities
People
- F.k. Orcutt