Measuring method for on-site detection of thermal resistance of enclosing structure
An enclosure structure, on-site detection technology, applied in the direction of material thermal development, material thermal conductivity, etc., can solve problems such as thermal resistance detection error, and achieve the effect of reducing influence and error.
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[0012] The present invention will be further described in detail below in conjunction with the drawings.
[0013] See figure 2 In view of the errors in the field test process of the existing heat flow meter method, the present invention will extract the temperature of the heat flow meter and the wall bonding surface, that is, the temperature signal of the heat flow meter bonding surface to replace the temperature of the wall surface near the original heat flow meter. The measured heat flow corresponds to the temperature difference, so when the test part is one-dimensional heat transfer, the calculation of thermal resistance will not be affected. The calculation formula in the steady state is: R=ΔT / Q, ΔT is the temperature of the inner surface The difference with the outer surface temperature, Q is the heat flow of the heat flow meter reaction.
[0014] During installation, install the thermocouples on the inner and outer wall surfaces of the tested enclosure structure respectivel...
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