Zobrazeno 1 - 10
of 103
pro vyhledávání: '"Leonid I. Zaichik"'
Publikováno v:
High Temperature. 50:621-630
A diffusion-inertia model (DIM) for calculating of the monodispersed bubble flows in an isothermal flow in a turbulent liquid has been presented. The comparison of the results of the simulation with various experimental data shows that the DIM adequa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::36e0bec6cfe2aaeefb88c818e5543fd0
https://doi.org/10.1134/s0018151x12040220
https://doi.org/10.1134/s0018151x12040220
Publikováno v:
High Temperature. 50:391-399
A statistical model of clustering (accumulation) of monodispersed particles in homogeneous isotropic turbulence taking into account absolutely elastic collisions has been presented. The effect of collisions on clustering of particles has been analyze
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6dbca7e8269f4da32137dbf811d82159
https://doi.org/10.1134/s0018151x12030212
https://doi.org/10.1134/s0018151x12030212
Autor:
Roman Mukin, Leonid I. Zaichik
Publikováno v:
International Journal of Heat and Fluid Flow. 33:81-91
The purpose of the study is to present an explicit self-consistent algebraic Reynolds stress model (ARSM) for two-phase turbulent flows combined with diffusion-inertia model (DIM). The modulation of turbulence by small heavy particles whose diameter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0bd4740c3ebcc2d919910853bf0b25ef
https://doi.org/10.1016/j.ijheatfluidflow.2011.11.002
https://doi.org/10.1016/j.ijheatfluidflow.2011.11.002
Publikováno v:
High Temperature. 49:867-873
A nonlinear model of turbulent viscosity (the explicit algebraic Reynolds stress model) for gas-dispersed flow with small heavy particles has been presented. The calculations have been checked by comparison with the experimental data on the effect of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::57fb4a8b70ac4454494e7faa6d10df6b
https://doi.org/10.1134/s0018151x1106023x
https://doi.org/10.1134/s0018151x1106023x
Publikováno v:
International Journal of Multiphase Flow. 37:236-240
The paper concerns the effects of particle inertia, density, and size on acceleration statistics. A simple analytical model for estimating the acceleration variance of particles suspended in an isotropic homogeneous turbulent flow field is developed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4f07fca194ea2620bb3a13b5334fd816
https://doi.org/10.1016/j.ijmultiphaseflow.2010.11.003
https://doi.org/10.1016/j.ijmultiphaseflow.2010.11.003
Publikováno v:
International Journal of Heat and Fluid Flow. 31:850-861
The objective of the paper is twofold: (i) to present a new statistical model for predicting the transport and dispersion of the particulate phase (particles and bubbles) in turbulent flows and (ii) to examine the performance of this model in channel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4123830a3123410ceab7154274fae4af
https://doi.org/10.1016/j.ijheatfluidflow.2010.05.014
https://doi.org/10.1016/j.ijheatfluidflow.2010.05.014
Publikováno v:
Flow, Turbulence and Combustion. 86:497-518
The objective of this paper is twofold: (1) to present a statistical model of particle transport and heat transfer in turbulent flows and (2) to examine the performance of this model in various turbulent flows going from a simple flow to a more compl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::11b693ba2eac7ee89a7a7a8cd47a6f22
https://doi.org/10.1007/s10494-010-9275-2
https://doi.org/10.1007/s10494-010-9275-2
Publikováno v:
International Journal of Heat and Mass Transfer. 53:1613-1620
The paper deals with collisions resulting from the interaction between particles (droplets, bubbles) and turbulent eddies of the continuous fluid medium (gas or liquid). A statistical model is developed for predicting the collision rate. This model i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::260830ab0af5e749d08955c2b40d83fe
https://doi.org/10.1016/j.ijheatmasstransfer.2010.01.035
https://doi.org/10.1016/j.ijheatmasstransfer.2010.01.035
Publikováno v:
High Temperature. 48:205-214
A theoretical model is given for describing the inverse effect of small heavy particles on the intensity of turbulence in various flows. Analysis is performed of the effect of particles on isotropic homogeneous shear and wall turbulence.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d10785b21c2f990ccfd061b2760fb537
https://doi.org/10.1134/s0018151x10020112
https://doi.org/10.1134/s0018151x10020112
Autor:
Leonid I. Zaichik, A. A. Bochkarev
Publikováno v:
High Temperature. 48:52-56
Comparison with the data of direct numerical calculations in isotropic turbulence with constant temperature gradient is used for verifying the statistical model of heat transfer in gas-dispersed turbulent flows. Analysis is made of the effect of ther
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4b38c28e92bf42729a12ea9adabb684
https://doi.org/10.1134/s0018151x10010098
https://doi.org/10.1134/s0018151x10010098