现有关于微尺度下气体流动特性的文献结果差异很大,甚至互相矛盾.文中提出入口效应以及充分发展段的流动特性与常规尺度的差异可能是影响微尺度下气体流动特性的关键因素.搭建了单相气体流动特性实验研究系统,针对这一影响因素对气体流动特性的影响规律进行了系统分析,证实了上述结论,发现微尺度下充分发展段流体的摩擦阻力明显小于常规理论预测值.针对微尺度下气体流动特性进行了系统分析.
参考文献
| [1] | C M Ho;Y C Tai .Micro-Electro-Mechanical-Systems and Fluid Flows[J].Annual Review of Fluid Mechanics,1998,30:579-612. |
| [2] | H A Stone;A D Stroock;A Ajdari .Engineering Flows in Small Devices:Microfluidics Toward a Lab-on-a-Chip[J].Annual Review of Fluid Mechanics,2004,36:381-411. |
| [3] | G H Mohamed .The Fluid Mechanics of Microdevices[J].Journal of Fluids Engineering,1999,121:5-33. |
| [4] | P Y Wu;W A Little .Measurement of the Friction Factors for the Flow of Gases in Very Fine Channels Used for Microminiature Joule-Thomson Refrigerators[J].Cryogenics,1983,23:273-277. |
| [5] | G M Mala;D Q Li .Flow Characteristics of Water in Microchannels[J].International Journal of Heat and Fluid Flow,1999,20:142-148. |
| [6] | G P Celata;M Cumo;M Guglielmi et al.Experimental Investigation of Hydraulic and Single-Phase Heat Transfer in 0 130 mm Capillary Tube[J].Microscale Thermophysical Engineering,2002,6:85-97. |
| [7] | M.J. Kohl;S.I. Abdel-Khalik;S.M. Jeter;D.L. Sadowski .An experimental investigation of microchannel flow with internal pressure measurements[J].International Journal of Heat and Mass Transfer,2005(8):1518-1533. |
| [8] | T Araki;M SKim;K Inaoka et al.An Experimental Investigation of Gaseous Flow Characteristics in MicroTubes[J].JSME Int J Ser B-Fluids Thermal Eng,2000,43:634-639. |
| [9] | Takuto Araki;Min Soo Kim;Hiroshi Iwai;Kenjiro Suzuki .An experimental investigation of gaseous flow characteristics in microchannels[J].Microscale thermophysical engineering,2002(2):117-130. |
| [10] | Yutaka Asako;Kenji Nakayama;Tetsuya Shinozuka .Effect of compressibility on gaseous flows in a micro-tube[J].International Journal of Heat and Mass Transfer,2005(23/24):4985-4994. |
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