Design Guideline for New Generation of High-Temperature Guarded Hot Plate

Wu, Jianglai; Hameury, Jacques; Failleau, G.; Blahut, Aleš; Váchová, Tereza; Strnad, R.; Krause, Michael; Rafeld, E.; Hammerschmidt, U.

doi:10.1007/s10765-017-2344-1

Cited by 6 publications

(1 citation statement)

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“…For the insulation of determined geometry, thermal conductivity can be calculated from Equation (1). The principle of the absolute method of pipe insulation thermal conductivity measurement is therefore similar to the widely recognisable guarded heat plate (GHP) method [27]. The most significant difference is the geometry of the apparatus and the fact that, in pipe insulation testers, there is usually an air gap between the heater and the insulation.…”

Section: The Test Apparatus and The Methods Of Examinationmentioning

confidence: 99%

Comparative Study on Selected Insulating Materials for Industrial Piping

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2024

Materials

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This paper describes the results of an experimental assessment of the thermal conductivity of pipe insulation. The need for reducing energy loss in industrial piping systems makes the availability of relevant and reliable insulation materials of special importance. Several specimens of pipe laggings, made of different materials, including mineral wool, polyethylene foam (PEF), expanded polystyrene (EPS), flexible elastomeric foam (FEF) and polyurethane foam (PUR), were tested in accordance with the European standard ISO 8497. The thermal conductivity of the materials was measured for a wide range of temperatures. The results were compared with the values reported in the technical specifications as well as with the literature data. The assessment of measurement uncertainty was also described. The results showed that, in a few cases, thermal conductivity turned out to be greater than that declared by the manufacturer by as much as over 10%.

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Section: The Test Apparatus and The Methods Of Examinationmentioning

confidence: 99%