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首页> 外文会议>7th Biennial Conference on Engineering Systems Design and Analysis 2004(ESDA 2004) vol.3: Design Engineering; Maintenance Engineering; Manufacturing Engineering; ... >A STUDY ON THE BEHAVIOR OF THE PRESSURE DROP FOR THE FLUID FLOW IN A TRIANGULAR MICROCHANNEL
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A STUDY ON THE BEHAVIOR OF THE PRESSURE DROP FOR THE FLUID FLOW IN A TRIANGULAR MICROCHANNEL

机译：三角形微通道中流体流动的压降特性研究

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This study investigates experimentally and numerically the characteristic of the pressure drop and the behavior of the fluids under the influence of the configurations of flow channel. The triangular microchannels have the transverse dimensions from 50μm to 100 μm; the fluid flowing through these channels has Reynolds numbers from 0.1 to 35. For this study, significant difference between the pressure losses obtained from the conventional macro-scale theory and those obtained from the experimental data. However, the results obtained from the conventional theory are not much different from the results obtained from the numerical simulation. For the triangular microchannel under study, the pressure loss in terms of fRe obtained from the experimental results is lower than those obtained from the conventional theory; the highest relative error is 27%. The revised correlation derived from the experimental results for the value of fRe of the fluid in the Triangular is fRe = 45.6; using this expression would provide a better fit to the experimental data.
机译：这项研究通过实验和数值研究了在流动通道结构的影响下压降的特性和流体的行为。三角形微通道的横向尺寸为50μm至100μm。通过这些通道流动的流体的雷诺数为0.1到35。对于本研究，从常规宏观尺度理论获得的压力损失与从实验数据获得的压力损失之间存在显着差异。但是，从传统理论获得的结果与从数值模拟获得的结果相差不大。对于正在研究的三角形微通道，从实验结果获得的以fRe表示的压力损失低于从传统理论获得的压力损失；最高相对误差为27％。从实验结果得出的三角形流体的fRe值的修正相关值为fRe = 45.6；使用该表达式将更适合实验数据。

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