NDLI: Calculation of the efficiency of circular porous channels by the modified Guhman method

Content Provider	Springer Nature Link
Author	Lukisha, A. P.
Copyright Year	2012
Abstract	Results of calculation of the efficiency of circular porous channels in the transient region 2300≤ Resm ≤ 10,000 of movement of an incompressible coolant (water) in smooth-wall channels compared with the porouschannels at the first-kind boundary conditions are presented. The efficiencies of circular porous channels and smooth-wall ones were compared using the modified Guhman method, in accordance with which the efficiency of a short porous channel, in which a coolant is rapidly heated, is determined by comparison of this channel with a long smooth-wall channel. As a criterion for selection of the length of a circular porous channel, the attainment of the value 0.8 by the average dimensionless temperature of the liquid at the output of this channel was used. The influence of different design and regime parameters of the channels being compared on their efficiencies was investigated and the parameters, at which the gain in heat transfer superpasses the loss in hydraulics, were determined.
Starting Page	1266
Ending Page	1277
Page Count	12
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	2012-11-24
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	efficiency porous channels the transient region between the laminar and turbulent regimes of movement of an incompressible coolant the first-kind boundary conditions 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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