Journal ArticleDOI
Thermal analysis on metal-foam filled heat exchangers. Part I: Metal-foam filled pipes
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TLDR
In this paper, an analytical study of the forced convection heat transfer characteristics in high porosity open-cell metal-foam filled pipes is presented. And the results show that the pore size and porosity of metal foams play important roles on overall heat transfer performance.About:
This article is published in International Journal of Heat and Mass Transfer.The article was published on 2006-07-01. It has received 327 citations till now. The article focuses on the topics: Convective heat transfer & Heat transfer coefficient.read more
Citations
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Heat transfer enhancement for thermal energy storage using metal foams embedded within phase change materials (PCMs)
Changying Zhao,W. Lu,Yuan Tian +2 more
TL;DR: In this paper, the effect of metal foams on solid/liquid phase change heat transfer is investigated, and the results show that the use of metal foam can make the sample solidified much faster than pure PCM samples, evidenced by the solidification time being reduced by more than half.
Journal ArticleDOI
Review on thermal transport in high porosity cellular metal foams with open cells
TL;DR: In this paper, the state-of-the-art knowledge and research results of thermal transport in open celled cellular metal foams, which covers the effective thermal conductivity, forced convection, natural convection and thermal radiation, pool boiling and flow boiling heat transfer, solid/liquid phase change heat transfer and catalytic reactor were provided.
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A synthesis of fluid and thermal transport models for metal foam heat exchangers
Shadi Mahjoob,Kambiz Vafai +1 more
TL;DR: In this article, the effects of micro structural metal foam properties, such as porosity, pore and fiber diameters, tortuosity and pore density, on the heat exchanger performance are discussed.
Journal ArticleDOI
Review on heat conduction, heat convection, thermal radiation and phase change heat transfer of nanofluids in porous media: Fundamentals and applications
TL;DR: In this article, the authors focused on various flow and heat transfer modes of nanofluid, metal foam and the combination of the two, with the physical properties of nanophluid and metal foam summarized.
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Numerical study of heat transfer enhancement in the receiver tube of direct steam generation with parabolic trough by inserting metal foams
TL;DR: In this paper, the effect of inserting metal foams in the receiver tube of a parabolic trough collector on heat transfer was investigated, and the effects of layout (top/bottom), geometrical parameter (H ), and porosity ( φ ) on the flow resistant, heat transfer and thermo-hydraulic performance were analyzed.
References
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Book
Convection Heat Transfer
TL;DR: In this paper, the authors describe a transition from Laminar boundary layer flow to Turbulent Boundary Layer flow with change of phase Mass Transfer Convection in Porous Media.
Book
Handbook of single-phase convective heat transfer
TL;DR: In this paper, the effect of temperature-dependent Fluid properties on convective heat transfer has been investigated in the context of closed-loop convection in Ducts and cross-flow convection over Rod Bundles.
Journal ArticleDOI
Boundary and inertia effects on flow and heat transfer in porous media
Kambiz Vafai,Chuen-Lin Tien +1 more
TL;DR: In this article, the effects of a solid boundary and the inertial forces on flow and heat transfer in porous media were analyzed, and a new concept of the momentum boundary layer central to the numerical routine was presented.
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Thermophysical properties of high porosity metal foams
TL;DR: In this article, the effective thermal conductivity (ke), permeability (K), and inertial coefficient (f) of high porosity metal foams were derived by considering a circular blob of metal at the intersection of two fibers.
Journal ArticleDOI
Effect of fluid dispersion coefficients on particle-to-fluid mass transfer coefficients in packed beds. correlation of sherwood numbers
N. Wakao,T. Funazkri +1 more
TL;DR: In this article, the published heat transfer data obtained from steady and nonsteady measurements are corrected for the axial fluid thermal dispersion coefficient values proposed by Wakao and Funazkri.