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  • Users: Furnman
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  1. Furnman

    Thermal conductivity for insulation calculation

    I use a multitude of refractories and insulation. The manufacturer of the materials has thermal conductivity information on the data sheets for certain temperatures. How do I calculate the thermal conductivity at temperatures other than what is on the sheet? Example: HD Board: 0.570...
  2. Furnman

    Calculate insulation heat capacity

    This question relates to calculating heat capacity in refractory and insulation boards used in furnaces and ovens. I have the thermal conductivity data (Btu/in/sq.ft/F) data points and the density of the materials. If the manufacturer does not show the heat capacity in Btu/lb DegreeF of the...
  3. Furnman

    Thermal Conducitivity of Firebrick

    I have a standard 2800F high heat duty firebrick. Density average is 131 lbs/cu.ft. How do I calculate the thermal conductivity (BTU-in/hr-sq. ft-f) at temperatures such as 500f, 1000f, 1500f and 2000f?

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