Analysis of Thermal Properties of Super-High Speed Hybrid Journal Bearing Based on ANSYS-Reference-Cited by-同舟云学术

Analysis of Thermal Properties of Super-High Speed Hybrid Journal Bearing Based on ANSYS

Published:2010-06 Issue: Volume:118-120 Page:753-757
ISSN:1662-8985
Container-title:Advanced Materials Research
language:
Short-container-title:AMR

Author:

Xiu Shi Chao¹,Gao Shi Qiang¹,Sun Zhi Li¹

Affiliation:

1. Northeastern University

Abstract

Hybrid journal bearings are used in the high and super high speed cases mainly, such as the super-high speed spindle system. Since the bearing operates under high speed conditions, the excessive temperature rise of the bearing is a major reason to lower the accuracy of the main shaft system and limit the bearings working speed higher, as a result, restrict the bearing applications. In this paper, the thermal properties and the heat mechanism of such bearings are analyzed. The mathematical model of hybrid journal bearing is established to analyze the mechanism of generating heat. In addition, the temperature field distribution for the certain hybrid journal bearing at speed of 10000 rpm is studied by means of software ANSYS considering the heat transfer characters between fluid and solid. An improved measure about temperature rise of hybrid journal bearing is presented.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Link

https://www.scientific.net/AMR.118-120.753.pdf

Reference6 articles.

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5. X.B. Yu: High-Speed Hydrostatic Spindle parts design and simulation of thermal properties, Dissertation (Harbin Institute of Technology, Harbin, 2005).

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