CFD simulation of heat transfer and fluid flow within metallic foam in forced convection environment

• Autorzy: Boulahrouz S. , Avenas Y. , Chehhat A.
• Języki publikacji: EN

Abstrakty

EN

In the present study, a CFD simulation of forced convection in a rectangular block of aluminum foam is investigated. A two energy equations model with the Brinkman-Forchheimer extended Darcy model is considered in the CFD investigation. The governing equations are solved using COMSOL, a commercial multiphysics finite-element PDE solver. Three types of aluminum foam 10-, 20-, 40- pore per inch with different porosity are studied. A parametric study for the range of Reynolds number Re = 250-2000 and the imposed heat flux qw = 0:8−1:6 (W/cm²) is carried out to examine the thermal and the fluid flow behaviors of the aluminum foams. It is found that the plug flow conditions are prevalence for the aluminum foams. The 40-pore per inch aluminum foam has a better heat transfer performance with a larger pressure drop, followed by the 20-, and then by the 10- pore per inch. The validation of the simulation results is made against experimental data from the literature and showed a perfect agreement.

Słowa kluczowe

EN

aluminum foam; CFD modeling; COMSOL; cooling; Darcy-Brinkman-Forchheimer model; forced convection

PL

piana aluminiowa; modelowanie CFD; COMSOL; chłodzenie; model Darcy'ego-Brinkmana-Forchheimera; konwekcja wymuszona

• Wydawca: Wydawnictwo Politechniki Łódzkiej
• Czasopismo: Mechanics and Mechanical Engineering
• Rocznik: 2017
• Tom: Vol. 21, nr 3
• Strony: 611--635
• Opis fizyczny: Bibliogr. 40 poz., il. (w tym kolor.), wykr.

Twórcy

autor

Boulahrouz S.

• Department of Mechanical Engineering, Abbes Laghrour University, Khenchela, 40000, Algeria

autor

Avenas Y.

• University Grenoble Alpes, G2Elab, F-38000 Grenoble, France

autor

Chehhat A.

• Department of Mechanical Engineering, Abbes Laghrour University, Khenchela, 40000, Algeria
• LESEI Laboratory, Faculty of Engineering, University of Batna, 05000, Algeria

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