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Old February 22, 2010, 04:45 PM
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Originally Posted by Zero82z View Post
Heatpipe orientation dependence really depends on the design of the heatpipe. Cheaper heatpipes will work better in certain orientations, but better ones are basically unaffected by it. I saw an article somewhat recently where they cut open a bunch of heatpipes and showed the internal structure to demonstrate different types of heatpipes, but I can't seem to find it right now.
I remember that article you;re talking about, and I think there was one type of heatpipe that had grooves in it and worked better oriented with the groves facing upwards I believe.

edit- here it is:Heatpipe Wick Structures Exposed: Sintered, Groove and Mesh -
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