Influences of the Length of Hot-Wire Anemometer on the Measurement of Turbulent Flow

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概要

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• Making use of jnformations on the fine structure of turbulence due to the modern similarity theory, influences of hot-wire length or instrumental sensitivity on measurement of G.I. Taylor's smallest eddy in a turbulent fluid are dealt with theoretically in this paper. It is assumed that the hot-wire anemometer of length L cuts off the contribution of turbulons (turbulence elements) smaller than L, and the result is obtained that the practically measured diameter of the effective smallest eddy is in proportion to L^<2/3>, provided L is slightly greater than the smallest turbulon length given by ν^<3/4> ε^<-1/4> , where ν and ε denote the kinematic viscosity of the fluid and the mass rate of turbulent dissipation respectively.

• 社団法人日本物理学会の論文
• 1952-10-25

著者

• Inoue Eiichi

  Department Of Meteorology National Institute Of Agricultural. Sciences

関連論文

• Influences of the Length of Hot-Wire Anemometer on the Measurement of Turbulent Flow

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