EXPERIMENTAL INVESTIGATIONS OF LAMINAR, TRANSITIONAL TO TURBULENT GAS FLOW IN A MICRO-CHANNEL

被引：0

作者：

Hong, Chungpyo ^{[1
]}

Yamada, Toru

Asako, Yutaka

Faghri, Mohammad

Suzuki, Koichi

Ueno, Ichiro ^{[1
]}

机构：

[1] Tokyo Univ Sci, Dept Mech Engn, Noda, Chiba 2788510, Japan

来源：

PROCEEDINGS OF THE ASME INTERNATIONAL MECHANICAL ENGINEERING CONGRESS AND EXPOSITION - 2010, VOL 7, PTS A AND B | 2012年

关键词：

COMPRESSIBILITY;

D O I：

暂无

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This paper presents experimental results on flow characteristics of laminar, transitional to turbulent gas flows through micro-channels. The experiments were performed for three micro-channels. The micro-channels were etched into silicon wafers, capped with glass, and their hydraulic diameter are 69.48, 99.36 and 147.76 mu m. The pressure was measured at seven locations along the channel length to determine local values of Mach number and friction factor for a wide range of flow regime from laminar to turbulent flow. Flow characteristics in transitional flow regime to turbulence were obtained. The result shows that f.Re is a function of Mach number and higher than incompressible value due to the compressibility effect. The values of f.Re were compared with f.Re correlations in available literature.

引用

页码：1337 / 1343

页数：7

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