NDLI: Simulation of the heat exchange between the supersonic flow and the stationary body in a gas centrifuge

Content Provider	Springer Nature Link
Author	Zvonarev, K. V. Seleznev, V. D. Tokmantsev, V. I. Abramov, Yu. V.
Copyright Year	2012
Abstract	We have made comparative calculations of the heat exchange in the subpersonic flow of gaseous UF6 around the stationary cylindrical body inside the rotating rotor of the gas centrifuge. It has been revealed that the integral heat flux from the gas to the body calculated with the use of the ANSYS-CFX program complex from the viewpoint of the continuum model is much smaller than the heat flow calculated by the Monte Carlo method of direct statistical simulation. Estimates show that under the conditions being considered the boundary layer on the surface of the body has no time to be formed and has a thickness of the order of the mean free path of the gas molecules and, therefore, the use of the methods of continuum mechanics in this region is incorrect. On the contrary, the method of direct statistical simulation permits taking into account the interaction of gas molecules directly with the surface of the streamline body and obtaining more correct results.
Starting Page	1382
Ending Page	1389
Page Count	8
File Format	PDF
ISSN	10620125
Journal	Journal of Engineering Physics and Thermophysics
Volume Number	85
Issue Number	6
e-ISSN	1573871X
Language	English
Publisher	Springer US
Publisher Date	2012-11-25
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	gas centrifuge ANSYS-CFX Monte Carlo method heat exchange supersonic flow Engineering Thermodynamics, Heat and Mass Transfer Thermodynamics Industrial Chemistry/Chemical Engineering Statistical Physics, Dynamical Systems and Complexity Mechanics
Content Type	Text
Resource Type	Article
Subject	Engineering Condensed Matter Physics

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