A method for calculating thermal conductivity of thin-walled circular tube materials
A technology for thermal conductivity calculation and thermal conductivity, which is applied in the field of thermal conductivity calculation of thin-walled circular tube materials, can solve the problems of thermal conductivity and measurement methods for thin-walled circular tube materials, avoid measurement errors and time loss, improve measurement accuracy, and simplify experiments The effect of the process
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[0025] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0026] system structure
[0027] The invention discloses a method for calculating the thermal conductivity of a thin-walled circular tube material. The method is based on a transient heat conduction calculation model, uses a plurality of equidistant heating rings to heat the circular tube to be tested, and simultaneously measures the temperature change of the heated portion on the surface of the circular tube to be tested. , to obtain the temperature-time response data of multiple equidistant rings on the surface of the ring to be tested, and then calculate the thermal conductivity of the material. The calculation process refers to figure 1 .
[0028] The object to be studied by the present invention is the thermal conductivity of solid materials. First, according to Fourier's law, the three-dimensional temperature change inside the tube to be measu...
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