Thermal design method for radar electronic cabinet system
A thermal design and cabinet technology, applied in the thermal design field of radar electronic cabinet systems, can solve the problems of rough theoretical calculation, low thermal design accuracy and reliability, and achieve the effect of normal and stable operation
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[0083] Example 1:
[0084] (1) Calculate the volumetric power density according to the relevant physical parameters of the components that require additional heat dissipation inside the cabinet, and select the heat dissipation method accordingly, generally forced air cooling and forced liquid cooling:
[0085] The cabinet system in this embodiment 1 is such as figure 2 As shown, the device that requires additional heat dissipation inside is a TR component. According to the three-dimensional size of the TR component, the volume of the component is S; the heat generation is Q; according to the conventional volume power density calculation formula q=Q / S, Get the volumetric power density q of the TR module. Since q3 , so in this embodiment 1, the forced air cooling cooling method is selected.
[0086] (2) Calculate the heat transfer coefficient of the inner and outer surfaces of the cabinet by using the relevant similarity criterion numbers obtained by the similarity principle,...
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