Experimental Investigation on the Bush Inner Surface Temperature of a High Speed Spiral Oil Wedge Sleeve Bearing  

作　　者：Li-Li Wang Chang-Hou Lu 

机构地区：[1]College of Mechanical and Electronic Engineering,Shandong University of Science and Technology [2]School of Mechanical Engineering,Shandong University

出　　处：《Journal of Harbin Institute of Technology(New Series)》2014年第1期125-128,共4页哈尔滨工业大学学报（英文版）

基　　金：Sponsored by the National Natural Science Foundation of China(Grant No.51305242);the Scientific Research Foundation of Shandong University of Science and Technology for Recruited Talents(Grant No.2013RCJJ014)

摘　　要：The temperature of bush inner surface temperature is measured by using infrared thermometer and transparent bearing,and temperature rise is measured by using thermocouple. The influence of rotating speed and axial location on the bush inner surface temperature is studied,and the influence of supply pressure and rotating speed on the temperature rise is analyzed. The results show the bush inner surface temperature and temperature rise of spiral oil wedge hydrodynamic bearing increase with the increase of rotation speed. In axial direction,the temperature is higher around the oil return hole. The temperature rise decreases with the increase of supply pressure. The highest temperature of bush inner surface and temperature rise are higher at higher speed,so the temperature rise is the fundamental reason which restricts the increase of rotation speed for high speed sleeve bearing.The temperature of bush inner surface temperature is measured by using infrared thermometer and transparent bearing, and temperature rise is measured by using thermocouple. The influence of rotating speed and axial location on the bush inner surface temperature is studied, and the influence of supply pressure and rotating speed on the temperature rise is analyzed. The results show the bush inner surface temperature and temperature rise of spiral oil wedge hydrodynamic bearing increase with the increase of rotation speed. In axial direction, the temperature is higher around the oil return hole. The temperature rise decreases with the increase of supply pressure. The highest temperature of bush inner surface and temperature rise are higher at higher speed, so the temperature rise is the fundamental reason which restricts the increase of rotation speed for high speed sleeve bearing.

关 键 词：high speed journal bearing spiral oil wedge bush inner surface temperature 

分 类 号：TH133.31[机械工程—机械制造及自动化]