2011
DOI: 10.1016/j.vacuum.2010.12.009
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Outgassing characteristics of a polycarbonate core material for vacuum insulation panels

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Cited by 42 publications
(26 citation statements)
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“…λ rad was less important when measuring at ambient temperature but dramatically increases with temperature [ 19 ] and λ conv should be negligible as the mean straw pore size was far below 1mm [ 20 , 21 ]. λ solid , associated with thermal transport between atoms by lattice vibrations, and λ gas , linked with gas molecules colliding with each other, were both supposed to be reduced to a maximum state to achieve VIPs of high thermal insulation performance, which were closely related to the pore size and porosity of the core material [ 22 ].…”
Section: Resultsmentioning
confidence: 99%
“…λ rad was less important when measuring at ambient temperature but dramatically increases with temperature [ 19 ] and λ conv should be negligible as the mean straw pore size was far below 1mm [ 20 , 21 ]. λ solid , associated with thermal transport between atoms by lattice vibrations, and λ gas , linked with gas molecules colliding with each other, were both supposed to be reduced to a maximum state to achieve VIPs of high thermal insulation performance, which were closely related to the pore size and porosity of the core material [ 22 ].…”
Section: Resultsmentioning
confidence: 99%
“…For the thermal analysis, the input bulk parameters (specific heat and thermal conductivity) were obtained experimentally. In particular, the total thermal conductivity of VIPs (λ tot ) is composed of several contributions, as follows [48,49]:…”
Section: Numerical Analysismentioning
confidence: 99%
“…For the thermal analysis, the input bulk parameters (specific heat and thermal conductivity) were obtained experimentally. In particular, the total thermal conductivity of VIPs ( ) is composed of several contributions, as follows [ 48 , 49 ]: in Equation ( 3 ), is the solid thermal conductivity, is the gas thermal conductivity, and is the radiation thermal conductivity. Here, is the thermal conductivity of the bulk material, and is the thermal conductivity of air.…”
Section: Evaluation Of Thermal Properties and Microstructuresmentioning
confidence: 99%
“…In a review by Baetens et al [22], the properties of VIP core should have optimum thermal resistance. Several materials, such as polycarbonates, ultrafine glass fibers, phenolic form and fumed silica, are being studied as core materials of VIPs [24,30,31]. Among those materials, the present study focusses on fumed silica as a core material for VIPs.…”
Section: Fumed Silica Vipsmentioning
confidence: 99%