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Keyword: Porous

Total Papers Found: 7

The effect of grain angle and species on thermal conductivity of some selected wood species

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Wood can be defined as a composite, porous material as it is effectively made of two different substances. This property is reflective of how differently the wood grows with respect ...

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Effective thermal conductivity of sintered metal foams: experiments and a model proposal

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It is important that porous metal foams used in gas turbines do not exceed their upper temperature threshold. In this paper, the Transient Plane Source (TPS) technique was used to ...

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Fabrication of highly porous silica thermal insulators prepared by gelation-freezing route

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The purpose of this study was to produce high porosity silica thermal insulators through gelation-freezing. The thermal conductivities of the insulators in relation to porosity and microstructure were measured by ...

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New tannin-lignin aerogels

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Tannin and lignin are organic materials that are more cost-effective than synthetic, non-renewable phenolic compounds. In this paper, tannin-lignin-formaldehyde (TLF) composites were used to synthesize thermally insulative mesoporous aerogels. A ...

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Biomass-derived, thermally conducting, carbon foams for seasonal thermal storage

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Seasonal thermal storage based on phase change materials (PCMs) require a thermally conductive host because they typically have low thermal conductivities. In this study, tannin-based composite carbon foams were prepared ...

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Ultralow cost reticulated carbon foams from household cleaning pad wastes

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In this paper, cost efficient RVC foams were fabricated from household cleaning pad waste (CPW) and sucrose. A Hot Disk TPS 2500 measured the thermal conductivity of the RVC foams using ...

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Lignin-phenol-formaldehyde aerogels and cryogels

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Lignin and phenol are inexpensive naturally derived resources that can be used to produce cost-effective organic gels. This paper aimed to examine the thermal properties of insulative organic aerogels and ...

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