Articles with "metal foams" as a keyword



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Relationship Between Porosity and Spacer Content of Open Cell Metal Foams

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Published in 2020 at "Transactions of the Indian Institute of Metals"

DOI: 10.1007/s12666-020-01867-2

Abstract: Metal foams with high melting points are generally fabricated by the space holder technique. Foams with desirable pore size, shape and distribution can be obtained by using appropriate space holder. However, porosity ( P )… read more here.

Keywords: spacer content; porosity; metal foams;
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Tonal and broadband noise control of an axial-flow fan with metal foams: Design and experimental validation

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Published in 2017 at "Applied Acoustics"

DOI: 10.1016/j.apacoust.2017.06.018

Abstract: This paper presents an application of metal foams for controlling aerodynamic noise of an axial-flow fan. A configuration of a semi-open cell metal foam combined with a backing cavity is employed to attenuate the tonal… read more here.

Keywords: metal foam; metal foams; noise; axial flow ... See more keywords
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CFD study on thermal transport in open-cell metal foams with and without a washcoat: Effective thermal conductivity and gas-solid interfacial heat transfer

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Published in 2017 at "Chemical Engineering Science"

DOI: 10.1016/j.ces.2016.12.006

Abstract: Abstract Metal foams are considered to be attractive catalyst carriers for strongly exothermic/endothermic catalytic processes, but the washcoat may have a significant influence on the thermal transport properties of the metal foams. In this work,… read more here.

Keywords: metal foams; effective thermal; thermal conductivity; washcoat ... See more keywords
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Development of cylindrical laminated methanol steam reforming microreactor with cascading metal foams as catalyst support

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Published in 2017 at "Fuel"

DOI: 10.1016/j.fuel.2016.11.058

Abstract: In this study, the cascading metal foams were used as catalyst supports for constructing a new type of cylindrical laminated methanol steam reforming microreactor for hydrogen production. The two-layer impregnation method was used to load… read more here.

Keywords: methanol steam; metal foams; reforming microreactor; steam reforming ... See more keywords
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Experimental and numerical investigations on the effect of porosity and PPI gradients of metal foams on the thermal performance of a composite phase change material heat sink

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Published in 2021 at "International Journal of Heat and Mass Transfer"

DOI: 10.1016/j.ijheatmasstransfer.2020.120454

Abstract: Abstract This paper reports the results of an experimental and numerical study on the thermal performance of a metal foam based composite phase change material (PCM) heat sink cylindrical in shape with porosity and PPI… read more here.

Keywords: heat; porosity; heat sink; ppi ... See more keywords
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A new pool boiling heat transfer correlation for wetting dielectric fluids on metal foams

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Published in 2021 at "International Journal of Heat and Mass Transfer"

DOI: 10.1016/j.ijheatmasstransfer.2021.121070

Abstract: Abstract Porous structures, as metal foams, can enhance the heat transfer performance. For a safe industrial application, a predictive model for both heat transfer coefficient and maximum heat flux is required. But, there is no… read more here.

Keywords: heat; metal; heat transfer; correlation ... See more keywords
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Selection of phase change materials, metal foams and geometries for improving metal hydride performance

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Published in 2020 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2020.03.226

Abstract: Abstract This paper reports the numerical investigation of the effect of different phase change materials (PCMs) on the metal hydride (MH) behaviour in a reactor bed during the absorption process. The feasibility of integrating metal… read more here.

Keywords: phase change; change materials; metal foams; performance ... See more keywords
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Influence of surface wettability on liquid drainage characteristics of metal foams under sloshing conditions

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Published in 2019 at "International Journal of Refrigeration"

DOI: 10.1016/j.ijrefrig.2019.06.023

Abstract: Abstract Metal foams have great potential for improving the condensation heat transfer characteristics of shell-and-tube heat exchangers in FLNG plants, and the drainage characteristics in metal foam under sloshing conditions should be promoted through modifying… read more here.

Keywords: sloshing conditions; metal; wettability; surface wettability ... See more keywords
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Numerical study on maximizing heat transfer and minimizing flow resistance behavior of metal foams owing to their structural properties

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Published in 2021 at "International Journal of Thermal Sciences"

DOI: 10.1016/j.ijthermalsci.2020.106617

Abstract: Abstract Despite many research works considering metal foams largely involving heat exchange applications, an overall comprehensive view on the performance of metal foams based on their structural properties is hitherto unaddressed in the literature. In… read more here.

Keywords: metal foams; metal; performance; heat transfer ... See more keywords
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Experimental and numerical studies on melting process of phase change materials (PCMs) embedded in open-cells metal foams

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Published in 2021 at "International Journal of Thermal Sciences"

DOI: 10.1016/j.ijthermalsci.2021.107151

Abstract: Abstract Of the composite PCMs that regulate temperature in thermal energy storage, metal foam is a good candidate because of its high conductivity. This paper aims to characterize the behavior of composite PCMs through the… read more here.

Keywords: melting process; composite pcms; experimental numerical; metal foams ... See more keywords
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Effects of process parameters on properties of porous foams formed by laser-assisted melting of steel powder (AISI P21)/foaming agent (ZrH 2 ) mixture

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Published in 2018 at "Optics and Laser Technology"

DOI: 10.1016/j.optlastec.2017.08.008

Abstract: Abstract This paper describes the fabrication of lightweight metal foams using the directed energy deposition (DED) method. DED is a highly flexible additive manufacturing process wherein a metal powder mixed with a foaming agent is… read more here.

Keywords: metal foams; process; powder; process parameters ... See more keywords