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New In-house Designed High-temperature Guarded Hot Plate Apparatus at CMI

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00177016%3A_____%2F15%3A%230001174" target="_blank" >RIV/00177016:_____/15:#0001174 - isvavai.cz</a>

  • Result on the web

    <a href="http://thermosymposium.nist.gov/programSummary.html" target="_blank" >http://thermosymposium.nist.gov/programSummary.html</a>

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    New In-house Designed High-temperature Guarded Hot Plate Apparatus at CMI

  • Original language description

    Guarded Hot Plate (GHP) is recognized as a precise method for thermal conductivity/resistance measurement mainly focused on thermal insulating materials. For measurements at moderate temperatures, GHP is well established e.g. in building industry enabling the determination of thermal conductivity with an uncertainty lower than 2%. GHP is a steady-state method based on Fourier?s law of heat conduction. The specimen is sandwiched between two plates with different temperature which leads to setting a temperature gradient through the specimen. From the knowledge of the geometrical properties (contact surface area and specimen thickness) and hot plate heating power at steady state conductivity can be evaluated. High-temperature region brings many limitations and challenges to GHP method: Narrower range of materials can be used, disrupting of desired temperature profile in the specimen due to heat losses has to be minimized and high accuracy of temperature measurement has to be maintained. A

  • Czech name

  • Czech description

Classification

  • Type

    O - Miscellaneous

  • CEP classification

    JB - Sensors, detecting elements, measurement and regulation

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/7AX13026" target="_blank" >7AX13026: Metrology for thermal protection materials</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2015

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů