Questions about heatpipe cooling system

sismofyt · 22nd January 2008, 09:35 PM

Hi

Since I didn't get any response to my Luxkit/Avance Z-504 (Luxman diy kit) questions, I have decided to strip it down and rebuild it

As some of you may now, it uses a heatpipe cooling system. It can be seen here :

www.audioinvest.no/luxman/products/l_z504.htm -

(link updated by mod)

I want put the output modules upright, so the pcb board are down with the heatsinking flanges on top. That means the heatpipe is vertical. Is this a bad idea? The heatpipe have some fluid inside (freon?) and I wonder if it will work with the pipes in that position instead of being horizontally mounted .. hmm

Thanx in advance

suzyj · 23rd January 2008, 07:22 AM

Heatpipes work irrespective of orientation.

jacco vermeulen · 23rd January 2008, 08:51 AM

The heatpipes operate best in the upright position, providing the hot side is at the bottom.
But you will experience a problem with the heatsinks if their flanges are orientated in the horizontal plane.
An option is to bend the heatpipes in a 90 degree angle.

(sent you a mail with a link to a heatpipe pdf)

sismofyt · 23rd January 2008, 05:14 PM

Thanx for the info (and the pdf). Yes, the flanges will be in the horizontal plane, with the 6x Sankens at the bottom. There are 18 flanges per channel, roughly 13x13cm each. I was planning to cool them with a fan though, so I guess it'll work

22nd January 2008, 09:35 PM	#1
sismofyt diyAudio Member Join Date: Jun 2004 Location: Gyraf City	Questions about heatpipe cooling system Hi Since I didn't get any response to my Luxkit/Avance Z-504 (Luxman diy kit) questions, I have decided to strip it down and rebuild it As some of you may now, it uses a heatpipe cooling system. It can be seen here : www.audioinvest.no/luxman/products/l_z504.htm - (link updated by mod) I want put the output modules upright, so the pcb board are down with the heatsinking flanges on top. That means the heatpipe is vertical. Is this a bad idea? The heatpipe have some fluid inside (freon?) and I wonder if it will work with the pipes in that position instead of being horizontally mounted .. hmm Thanx in advance

23rd January 2008, 08:51 AM	#3
jacco vermeulen diyAudio Member Join Date: Oct 2004 Location: At the sea front, just under Rotterdam	The heatpipes operate best in the upright position, providing the hot side is at the bottom. But you will experience a problem with the heatsinks if their flanges are orientated in the horizontal plane. An option is to bend the heatpipes in a 90 degree angle. (sent you a mail with a link to a heatpipe pdf) __________________ Looks like Sponge Bob has killed another thread.

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23rd January 2008, 07:22 AM	#2
suzyj diyAudio Member Join Date: Jan 2006 Location: Sydney	Heatpipes work irrespective of orientation.

23rd January 2008, 05:14 PM	#4
sismofyt diyAudio Member Join Date: Jun 2004 Location: Gyraf City	Thanx for the info (and the pdf). Yes, the flanges will be in the horizontal plane, with the 6x Sankens at the bottom. There are 18 flanges per channel, roughly 13x13cm each. I was planning to cool them with a fan though, so I guess it'll work

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