I have designed an electrical enclosure for outdoor use. The sealed enclosure was field tested and it was found that spraying black BBQ paint inside the box reduced the inside temperature by 4 degrees. It is made of 0.059" 3CR12 stainless steel powder coated light green on the outside.
Can anyone explain to me why a temperature drop was noticed?
Can anyone recommend any coatings that could disapate the heat better?
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