Heat transfer strengthening device for natural convection heat dissipation and design method thereof
A technology of natural convection and design method, applied in electrical equipment structural parts, cooling/ventilation/heating renovation, electrical components, etc. Reliability and other issues, to achieve the effect of enhancing natural convection heat transfer efficiency, improving air convection heat transfer coefficient, and good convection heat transfer effect
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[0048] see Figure 7 and Figure 8 , for the comparative calculation of the surface temperature distribution of the equipment to be cooled before and after adding semicircular auxiliary heat dissipation surfaces and V-shaped fins in outdoor environments. The basic conditions are: take a rectangular plate with an aspect ratio of 5 / 3 as an example on the surface of the equipment to be cooled, in an outdoor environment. The surface heat flux of the equipment to be cooled is regarded as twice the average solar radiation heat flux, ignoring the influence of natural wind.
[0049] Figure 7 Shown is the surface temperature distribution of the equipment to be cooled, the average surface temperature is: 506.746K.
[0050] Figure 8In order to increase the surface temperature distribution of the equipment to be cooled after the semicircular auxiliary heat dissipation surface and the V-shaped fins are added. The semicircular auxiliary heat dissipation surface takes the length of th...
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