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Technical Briefs

Drive Characteristics of Viscous Oil Film Considering Temperature Effect

[+] Author and Article Information
Fangwei Xie1

School of Mechanical Engineering,  Jiangsu University, Zhenjiang 212013, People’s Republic of China e-mail: xiefangwei@ujs.edu.cnSchool of Mechanical and Electrical Engineering,  China University of Mining and Technology, Xuzhou 221008, ChinaSchool of Mechanical Engineering,  Jiangsu University, Zhenjiang 212013, China

Youfu Hou, Ping Yang

School of Mechanical Engineering,  Jiangsu University, Zhenjiang 212013, People’s Republic of China e-mail: xiefangwei@ujs.edu.cnSchool of Mechanical and Electrical Engineering,  China University of Mining and Technology, Xuzhou 221008, ChinaSchool of Mechanical Engineering,  Jiangsu University, Zhenjiang 212013, China

1

Corresponding author.

J. Fluids Eng 133(4), 044502 (May 11, 2011) (4 pages) doi:10.1115/1.4004007 History: Received May 29, 2010; Revised April 07, 2011; Published May 11, 2011; Online May 11, 2011

Taking account of temperature and the effect of pressure difference and inertia force on oil film, the analytic solutions for pressure, radial velocity, and transferred torque were derived. The results show that considering the effect of temperature, the pressure reduces at the same radius and inertia force makes the pressure decrease. Compared with the pressure decrease caused by the inertia force, the radial velocity caused by the pressure difference is very small and can even be neglected. As the rotational velocity difference increases, the transferred torque also increases. Meanwhile, the transferred torque reduces when considering the effect of temperature.

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Copyright © 2011 by American Society of Mechanical Engineers
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Figures

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Figure 1

Viscosity-temperature curve of oil film

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Figure 2

Discrete temperature and fitting curve

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Figure 3

Calculation model of rotating disk

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Figure 4

Viscosity-radius relationships

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Figure 5

Radial distribution of pressure

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Figure 6

Resultant radial velocity when viscosity is constant

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Figure 7

Resultant radial velocity considering temperature effect

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Figure 8

Transferred torque of the rotating disks

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