Apparatuses and methods for measuring and controlling thermal insulation
A measurement method and technology of measurement results, applied in the field of thermal measurement, which can solve problems such as errors, inaccurate listing of thermal conductivity values, deviations in material composition, etc.
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[0020] refer to figure 1 , the generalized system comprises first and second opposing heat conductors 10 , 12 separated by an intervening medium 14 of relatively lower thermal conductivity. For example, the first and second opposing heat conductors 10, 12 may be metal bodies, films, layers, etc., while the intervening medium 14 may be a dielectric, such as an air gap, foam spacer, or the like. It is desirable to measure the thermal conductance of the intermediate medium 14 with respect to the heat flow between the first and second opposing heat conductors 10 , 12 . Optionally, it is also desirable to measure the heat flux between the first and second opposing heat conductors 10,12.
[0021] In the following, no assumptions are made about the geometry of the first and second opposing heat conductors 10 , 12 or about the intermediate medium 14 . This is in stark contrast to typical approaches used previously that rely on assuming geometrical considerations to be known a priori...
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