NDLI: On the theory of turbulent heat and mass transfer with allowance for intermittence effects

Content Provider	Springer Nature Link
Author	Nuzhv, Yu. V.
Copyright Year	2011
Abstract	A new viewpoint of the mechanism of turbulent heat and mass transfer has been proposed; a mathematical apparatus of statistical theory and a method of construction of mathematical models under the conditions of intermittent dynamic and scalar fields of nonuniform turbulent flow have been developed. A model of a turbulent axisymmetric jet for evaluation testing of the method has been constructed and the conditional and total means of the basic statistical characteristics of the jet have been calculated. It has been shown that the reason for the “different mechanism” of turbulent transfer of momentum, heat, and substance is the intermittence of not coincident dynamic and scalar fields of turbulent flow. An equation for the conditional probability density function of the concentration of a passive impurity has been derived and its solution for the axisymmetric jet in a strongly intermittent region has been given. Good agreement between the performed calculations and experimental data confirms the adopted concept of the transfer mechanism.
Starting Page	160
Ending Page	170
Page Count	11
File Format	PDF
ISSN	10620125
Journal	Journal of Engineering Physics and Thermophysics
Volume Number	84
Issue Number	1
e-ISSN	1573871X
Language	English
Publisher	Springer US
Publisher Date	2011-03-18
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	turbulence heat and mass transfer statistical theory mathematical modeling probability density function Industrial Chemistry/Chemical Engineering Thermodynamics Statistical Physics, Dynamical Systems and Complexity Mechanics Engineering Thermodynamics, Heat and Mass Transfer
Content Type	Text
Resource Type	Article
Subject	Engineering Condensed Matter Physics

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