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Experimental study of the Taylor bubbles shear stress in an upward flow in a vertical tube
Authors:V. E. Nakoryakov  L. S. Timkin  R. S. Gorelik
Affiliation:(1) State Key Laboratory of Multiphase Flow in Power Engineering, Xi’an Jiaotong University, Xi’an, 710049, China;
Abstract:The modification of electrodiffusional method of the wall shear stress measurements is applied for registration of the Taylor bubble shear stress in an upward liquid flow. Time realization of shear is considered as a structure frozen into the flow, which moves together with a bubble. Experiments were carried out in laminar and transitional liquid flows. The wall shear stress in the liquid film around bubble averaged over the tube perimeter is presented for different flow Reynolds numbers and different lengths of the bubble.
Keywords:
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