Heat transfer during air flow in aluminum foams

Mancin, Simone; Zilio, Claudio; Cavallini, Alberto; Rossetto, Luisa

doi:10.1016/j.ijheatmasstransfer.2010.05.033

Cited by 110 publications

(51 citation statements)

References 21 publications

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“…Mancin et al [61,62] recently presented both heat transfer and pressure drop data for foam filled channels heated on one side by a uniform heat flux. This configuration mimics a liquid-to-gas heat exchanger.…”

Section: Liquid-to-gas Heat Exchangersmentioning

confidence: 99%

“…Different types of foam were studied with varying porosity and pore density (ppi) and only mechanical contact was present between the base wall and the foam.. They presented their results as heat transfer coefficients (related to the base surface area on which the foam was mounted), indicating that for a constant ppi value a lower porosity results in a higher heat transfer coefficient, and that at higher air velocities a smaller foam height (2 cm vs. 4 cm) results in higher heat transfer coefficients [62]. The same setup was used for pressure drop measurements.…”

Section: Liquid-to-gas Heat Exchangersmentioning

confidence: 99%

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A Review of Metal Foam and Metal Matrix Composites for Heat Exchangers and Heat Sinks

Han

Wang

Park³

et al. 2012

Heat Transfer Engineering

225

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Abstract:Recent advances in manufacturing methods open the possibility for broader use of metal foams and metal matrix composites (MMCs) for heat exchangers, and these materials can have tailored material properties. Metal foams in particular combine a number of interesting properties from a heat exchanger's point of view. In this paper, the material properties of metal foams and MMCs are surveyed, and the current state of the art is reviewed for heat exchanger applications. Four different applications are considered: liquid-liquid, liquid-gas and gas-gas heat exchangers and heat sinks. Manufacturing and implementation issues are identified and discussed, and it is concluded that these materials hold promise both for heat exchangers and heat sinks, but that some key issues still need to be solved before broad scale

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Section: Liquid-to-gas Heat Exchangersmentioning

confidence: 99%

Section: Liquid-to-gas Heat Exchangersmentioning

confidence: 99%

A Review of Metal Foam and Metal Matrix Composites for Heat Exchangers and Heat Sinks

Han

Wang

Park³

et al. 2012

Heat Transfer Engineering

225

View full text Add to dashboard Cite

show abstract

“…In laboratory investigation, such foams have been shown to have great potential in convective heat transfer, [2] where thermally induced density differences generate fluid flow, and in forced convection, where an external force causes the fluid to move. [3][4][5] Here forced convection heat exchangers are considered. In these components, the foam is connected to a solid part, and fluid is flowed through the foam.…”

mentioning

confidence: 99%

Metal Foams with Graded Pore Size for Heat Transfer Applications

Zaragoza

Goodall

2012

Adv Eng Mater

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Aluminum foams have been frequently proposed as suitable for applications in fluid flow, [1] including as heat exchangers. In laboratory investigation, such foams have been shown to have great potential in convective heat transfer, [2] where thermally induced density differences generate fluid flow, and in forced convection, where an external force causes the fluid to move. [3][4][5] Here forced convection heat exchangers are considered. In these components, the foam is connected to a solid part, and fluid is flowed through the foam. Depending on which of the fluid and the solid are higher in temperature, heat will flow from solid to fluid or vice versa, with the foam acting to mediate the heat transfer behavior. There are two key properties that are important in heat exchanger design; the heat transfer coefficient (the amount of heat energy transferred), and the pressure drop across the heat exchanger (how hard it is to get the fluid to pass through the foam).In tests on the use of metal foams for this type of application, it is found that metal foams outperform similar dense metal configurations (e.g., refs. [3,5] ). In recent investigations of the heat transfer behavior of foams, it is found that, for the range of foams tested (with a generally high level of porosity), the best performance is obtained with higher volume fraction solid, [4] but the range of foam types that have been thoroughly investigated remains low.To increase this range we report here investigations of the heat transfer coefficient, benchmarked with a commercial aluminum foam, Duocel, and on aluminum foams produced by the replication process. In the latter case, foams with regions of different pore size are created, and the effect of this on the heat transfer is investigated.

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“…A special class of engineering problems is represented by flows through porous media, which are often encountered in heat transfer devices [9][10][11][12] as well as chemical reactors [13,14] and different types of fuel cell technologies [15,16]. The detailed modeling of transport phenomena in porous media might be a very demanding task, due to the coexistence of a broad range of physical (sometimes from macro-to nano-) scales across the same global domain [17][18][19].…”

Section: Introductionmentioning

confidence: 99%

Simulating Engineering Flows through Complex Porous Media via the Lattice Boltzmann Method

Krastev

Falcucci

2018

Energies

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Abstract:In this paper, recent achievements in the application of the lattice Boltzmann method (LBM) to complex fluid flows are reported. More specifically, we focus on flows through reactive porous media, such as the flow through the substrate of a selective catalytic reactor (SCR) for the reduction of gaseous pollutants in the automotive field; pulsed-flow analysis through heterogeneous catalyst architectures; and transport and electro-chemical phenomena in microbial fuel cells (MFC) for novel waste-to-energy applications. To the authors' knowledge, this is the first known application of LBM modeling to the study of MFCs, which represents by itself a highly innovative and challenging research area. The results discussed here essentially confirm the capabilities of the LBM approach as a flexible and accurate computational tool for the simulation of complex multi-physics phenomena of scientific and technological interest, across physical scales.

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Heat transfer during air flow in aluminum foams

Cited by 110 publications

References 21 publications

A Review of Metal Foam and Metal Matrix Composites for Heat Exchangers and Heat Sinks

A Review of Metal Foam and Metal Matrix Composites for Heat Exchangers and Heat Sinks

Metal Foams with Graded Pore Size for Heat Transfer Applications

Simulating Engineering Flows through Complex Porous Media via the Lattice Boltzmann Method

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