Originally Posted by doyll
8mm heatpipe has 25.12mm circumference and 50.24sqmm area
6mm heatpipe has 18.84mm circumferende and 28.26sqmm area.
8mm has 6.28mm (1.77 times) more surface area per mm of pipe length to wick coolant back to heat source and transfer heat from base to heatpipe / heatpipe to fins.
8mm has 21,98 sq mm more volume (1.33 times) more volume per mm of pipe length to flow coolant vapor away from heat source.
I've added some addtional explaination in red.
How is that explaination backwards? Not saying you are wrong, just not seeing where I am wrong.
The 1.33x and 1.77x are backwards.
The 8mm diameter pipe has 1.33x the circumference and 1.77x cross-sectional area. You just swapped the numbers after you multiplied them.
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