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Teplofizika vysokikh temperatur, 2003, Volume 41, Issue 5, Pages 734–745 (Mi tvt1711)  

Heat and Mass Transfer and Physical Gasdynamics

Comparison of two statistical models for the calculation of collisions of particles in isotropic turbulence

L. I. Zaichika, O. Simoninb, V. M. Alipchenkova

a Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow
b Institut de Mécanique des Fluides, Toulouse, France
Abstract: Two models are given for determining the collision rate of inertial particles in a homogeneous isotropic turbulence. The advantages and disadvantages of the known models of particle collisions are discussed. One of the models suggested by us is based on the assumption that the joint probability density function of gas and particle velocities is a Gaussian distribution. The second model follows from the kinetic equation for the probability density of the relative velocity of two particles. These two models are compared with each other and with the available data of direct numerical simulation.
Received: 14.01.2003
English version:
High Temperature, 2003, Volume 41, Issue 5, Pages 646–656
DOI: https://doi.org/10.1023/A:1026196712361
Document Type: Article
UDC: 536.529
Language: Russian
Citation: L. I. Zaichik, O. Simonin, V. M. Alipchenkov, “Comparison of two statistical models for the calculation of collisions of particles in isotropic turbulence”, TVT, 41:5 (2003), 734–745; High Temperature, 41:5 (2003), 646–656
Citation in format AMSBIB
\Bibitem{ZaiSimAli03}
\by L.~I.~Zaichik, O.~Simonin, V.~M.~Alipchenkov
\paper Comparison of two statistical models for the calculation of collisions of particles in isotropic turbulence
\jour TVT
\yr 2003
\vol 41
\issue 5
\pages 734--745
\mathnet{http://mi.mathnet.ru/tvt1711}
\transl
\jour High Temperature
\yr 2003
\vol 41
\issue 5
\pages 646--656
\crossref{https://doi.org/10.1023/A:1026196712361}
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