Numerical Analysis of Flow and Heat Transfer Characteristics on Micro Couette Flow

Lei Huang; Yang Cui

doi:10.4028/www.scientific.net/AMR.960-961.551

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 960-961Numerical Analysis of Flow and Heat Transfer...

Numerical Analysis of Flow and Heat Transfer Characteristics on Micro Couette Flow

Abstract:

In this paper, Couette flow is mainly discussed by studying the general flow behaviour mechanism and importing the velocity slip and temperature jump boundary condition. By analyzing velocity, temperature and pressure profiles at different Knudsen numbers, we concluded that Couette flow is driven by shear stress. The shear stress lies in stream direction. Viscous heat causes the increasing of the fluid’s temperature. With the increasing of Knudsen numbers, the increasing speed increases. It’s in the beginning of transition region that the heat flux has the maximum.

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Periodical:

Advanced Materials Research (Volumes 960-961)

Pages:

551-554

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.960-961.551

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Online since:

June 2014

Authors:

Lei Huang, Yang Cui*

Keywords:

Couette Flow, Micro-Fluid, Shear Stress, Temperature Jump, Velocity Slip

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* - Corresponding Author

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