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ISSN Печать: 1940-2503
ISSN Онлайн: 1940-2554
Indexed in
RADIAL INJECTION OF A HOT FLUID INTO A COLD POROUS MEDIUM: THE EFFECTS OF LOCAL THERMAL NONEQUILIBRIUM
Краткое описание
We consider the manner in which local thermal nonequilibrium effects influence the development of the thermal field when a hot fluid is injected radially into a cold porous medium. A purely forced convection situation is considered, and the evolving thermal fields depend on four non-dimensional parameters, including the Péclet number and the nondimensional interphase heat-transfer coefficient, H. In this primarily numerical study we find that local thermal equilibrium is always attained eventually, but after a time which depends strongly on the value of H. When the Péclet number is large a thermal shock wave is formed within the fluid phase which degrades slowly by imparting heat to the solid phase.
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Nazari Mohsen, Shakerinejad Esmaeel, Nazari Morteza, Rees D. Andrew S., Natural Convection Induced by a Heated Vertical Plate Embedded in a Porous Medium with Transpiration: Local Thermal Non-equilibrium Similarity Solutions, Transport in Porous Media, 98, 1, 2013. Crossref
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Franchi Franca, Nibbi Roberta, Straughan Brian, Modelling Bidispersive Local Thermal Non-Equilibrium Flow, Fluids, 2, 3, 2017. Crossref
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Shahmardan M. M., Nazari M., Samani A. A., NOVEL SIMILARITY-SOLUTION WHICH IS APPLICABLE FOR FREE CONVECTION OVER A BODY OF ARBITRARY SHAPE: THERMAL NON-EQUILIBRIUM IN A POROUS MEDIUM, Brazilian Journal of Chemical Engineering, 32, 1, 2015. Crossref
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Bidin Biliana, Rees D. Andrew S., Pattern selection for Darcy-Bénard convection with local thermal nonequilibrium, International Journal of Heat and Mass Transfer, 153, 2020. Crossref
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Gentile M., Straughan B., Bidispersive thermal convection with relatively large macropores, Journal of Fluid Mechanics, 898, 2020. Crossref