Elongational Viscosity and Stability of Rotating Couette Flow

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概要

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• A linear stability problem for Couette flow between rotating concentric cylinders of a dilute polymer solution which exhibits reduction of turbulent friction drag is examined. The effect of the addition of polymers on the flow is considered by an elongational viscosity which is assumed constant. It is assumed that the gap is narrow and that both cylinders rotate at almost equal speed in the same direction. It is found that the critical Taylor number increases from the value for the Newtonian liquid and that the corresponding wave number reduces.

• 一般社団法人日本機械学会の論文

著者

• Tomita Yuji

  Associate Professor Kyushu Institute Of Technology

• Jotaki Tomosada

  Professor Kyushu Institute Of Technology

• TOMITA Yuji

  Associate Professor, Kyushu Institute of Technology

関連論文

• Pneumatic Transport of Solids by a Blow Tank System
• Flow Patterns of Solids Particles in a Blow Tank
• Elongational Viscosity and Stability of Rotating Couette Flow
• Pressure Drop in an Equilibrium Region of Vertical Pneumatic Transport of Granular Solids

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