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首页> 外文期刊>International Journal of Multiphase Flow >The formation of hydrodynamic slugs by the interaction of waves in gas-liquid two-phase pipe flow
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The formation of hydrodynamic slugs by the interaction of waves in gas-liquid two-phase pipe flow

机译：气液两相管流中波的相互作用形成水力塞

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This paper examines the effects of wave interaction on the formation of hydrodynamic slugs in two-phase pipe flow at relatively low gas and liquid superficial velocities. The experiments were conducted using a horizontal 31. m long, D=10. cm internal diameter transparent pipe at atmospheric pressure. High resolution photography allowed the location of the gas-liquid interface to be measured with a high degree of accuracy at 5. Hz. Image analysis allowed individual waves to be tracked over a 14. D section of the pipe. Regular waves having similar properties such as speed, amplitude and length were seen far from the region of slug formation. However, near the transition region, where hydrodynamic slugs were formed, significant differences between wave properties were observed which resulted in wave interaction leading to a type of sub-harmonic resonance and slug formation. The formation of hydrodynamic slugs due to wave interaction differs from predictions for slug formation using long wavelength stability theory. The properties of the waves were quantified which gave detailed information on the resonance mechanism found near the transition to slugging.
机译：本文研究了在气体和液体表观速度相对较低的情况下，波相互作用对两相管道流中水动力塞形成的影响。使用水平的31.m长，D = 10进行实验。厘米内径的透明管在大气压下。高分辨率摄影允许以5 Hz的高精度测量气液界面的位置。图像分析允许在管道的14. D截面上跟踪单个波。在弹头形成区域很远的地方可以看到具有类似特性（例如速度，幅度和长度）的规则波。然而，在过渡区域附近，在该区域形成了流体动力塞，观察到了波特性之间的显着差异，这导致了波相互作用，从而导致了次谐波共振和塞的形成。由于波浪相互作用而形成的流体动力学塞与使用长波长稳定性理论预测的塞形成不同。量化了波的性质，从而提供了有关向to转变的共振机理的详细信息。

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