Some Remarks on the Dynamical and Thermal Structure of a Heated Turbulent Fluid.

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概要

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• Spectral functions for the velocity and temperature fluctuations in heated turbulent flow are obtained in the forms: [numerical formula] for the intermediate scale of turbulence element (turbulon) and [numerical formula] for the smallest scale. Here h is the turbulon wave number, ε the rate of energy dissipation, Q that of heat transfer. γ the kinematic viscosity, x the heat diffusivity. K the turbulent viscosity, and K_<II> the turbulent heat diffusivity. Then the concept of smallest turbulon is defined as the intersection of two forms of the spectral function. Thus it turns out that the scale of smallest dynamical turbulon coincides with that of smallest thermal turbulon provided the Prandtl number v/x is equal to KK_<II>.

• 社団法人日本物理学会の論文
• 1951-10-25

著者

• Inoue Eiichi

  Geophysical Institute Tokyo University

関連論文

• Some Remarks on the Dynamical and Thermal Structure of a Heated Turbulent Fluid.

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