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Search Results for: ceramic

Total Papers Found: 29

Effect of wall decorative materials on cooling load of an air condition

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In this study, the thermal conductivity, thermal diffusivity, and specific heat of various wall decorative materials were measured using the transient plane source (TPS) technique. Additionally, the thermal emittance of ...

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On the Use of the Transient Hot-Strip Method for Measuring the Thermal Conductivity of High-Conducting Thin Bars

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The thermal conductivity of thin, high-conducting ceramic bars—commonly used in mechanical tensile testing—is measured using a variant of the short transient hot-strip technique. As with similar contact transient ...

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Thermal conductivity of highly porous ceramic foams with different agar concentrations

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This paper discussed the creation of ceramic foams with various amounts of agar added. The foams used fly ash as the raw material in order to make them more environmentally ...

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Structuring zeolite bodies for enhanced heat-transfer properties

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Zeolites are highly insulative, porous minerals. Due to their insulating nature, heat transfer and therefore thermal conductivity is greatly impacted. With the help of a transient plane source (TPS) thermal ...

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Thermal properties of green alumina porcelain

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The thermal properties, as well as bulk density, and mass loss of alumina porcelain were determined as a function of firing temperature. It was found that after sintering at 1320 ºC, ...

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Effective thermal conductivity and diffusivity of GeSeSb glasses measured simultaneously as a function of temperature and fit to empirical equations

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The effective thermal conductivity and thermal diffusivity was measured for chalcogenide glass samples of the formulation Ge30-xSe70Sbx (x = 10, 15, 20, 25). It was found that both the effective thermal conductivity and ...

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High temperature thermoelectric properties of co-doped Ca3−xAgxCo3.95Fe0.05O9+delta (0

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The thermoelectric properties of the co-doped misfit-layered cobaltites of Ca3-x­AgxCo3.95Fe­0.05O9+delta (x=0.0, 0.1, 0.2, 0.3) were investigated at temperatures between 300 and 700 K. It was found that the thermopower increased ...

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Thermoelectric properties of Ca3-xEuxCo3.95Ga0.05O9+delta (0 < x < 0.10)

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The partial replacement of Ca2+ ions with Eu3+ in the Ca3Co3.95Ga0.05O9+delta system to give polycrystalline samples of Ca3-xEuxCo3.95Ga0.05O9+delta (x = 0.00, 0.02, and 0.10) was performed ...

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Influence of Sliding Speed on the Tribological Characteristics of Si3N4-hBN Ceramic Materials

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A disc of a composite ceramic material composed of silicon nitride (Si3N4) and 20% hBN was prepared and its tribological characteristics were investigated by sliding a Si3N4 pin across ...

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