Is there an optimal length-to-diameter ratio for heat pipes?
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Is there an optimal length-to-diameter ratio for heat pipe design? The heat pipe I designed earlier had a length of 70 mm and a diameter of 18 mm. The manufacturer said that the diameter was too large, as for pipes of this length the maximum diameter that can be achieved is 8 mm.
The optimal length-diameter ratio of a heat pipe is determined based on heat transfer calculations and equipment manufacturing processes, taking into account the actual conditions at the user’s site. The heat pipe is 70 mm long and 18 mm in diameter – it’s not even as long as a cigarette; I’m not sure what it’s used for.