An experimental study of the hydrodynamic drag coefficient of a cooled hard sphere at small Reynolds numbers V. A. Arkhipov, S. A. Basalaev, K. G. Perfil’eva [et al.]
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ArticleContent type: Текст Media type: электронный Subject(s): гравитационное осаждение | охлажденные частицы | скорость осаждения | коэффициент гидродинамического сопротивления | твердые сферические частицыGenre/Form: статьи в журналах Online resources: Click here to access online
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Technical physics letters Vol. 47, № 4. P. 317-320Abstract: Results of the experimental study of gravitational sedimentation of a cooled spherical particle in a viscous fluid within the Reynolds number range Re = 0.01–1.32 are presented. It is shown that the stationary sedimentation rate of a cooled particle considerably decreases (up to 30%). Empirical dependences for the sedimentation rate and hydrodynamic drag coefficient are obtained for a particle in the range of the difference between fluid (glycerin or silicon oil) and particle temperatures T = 0–210 K.
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Results of the experimental study of gravitational sedimentation of a cooled spherical particle in a viscous fluid within the Reynolds number range Re = 0.01–1.32 are presented. It is shown that the stationary sedimentation rate of a cooled particle considerably decreases (up to 30%). Empirical dependences for the sedimentation rate and hydrodynamic drag coefficient are obtained for a particle in the range of the difference between fluid (glycerin or silicon oil) and particle temperatures T = 0–210 K.
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