Heatsink design tools.

JoeBob · 27th May 2002, 09:12 PM

Well, I was wondering if anyone knows of any software to aid in the design of heatsinks, simulations maybe. I recently found out at my fathers work there a machine that will cut metal with pressurised water, so I'll be using this to make my heatsinks

and I get to design them and get them for free, sounds great except I don't know if my designs will be enough cooling, or be horrible overkill (I guess horrible overkill wouldn't be a bad thing), so I'd like a way to find out (without having them made then testing them then...).

Geoff · 27th May 2002, 10:05 PM

There is a useful, on-line calculator here:

http://www.mhtl.uwaterloo.ca/cgi-bin/rect_hs

and Rod Elliott has a simple spreadsheet calculator at the ESP Audio Pages.

Geoff

GRollins · 27th May 2002, 10:56 PM

Free heatsinks?
Let's see...you're in Quebec...and that's about, what, ten or twelve hours drive from here...look for me early tomorrow morning.

Grey

Apogee · 29th May 2002, 11:06 PM

Unless you're going to design something that's totally different, why not go to one of the heatsink manufacturer's websites and use one of their designs as a reference point?

Most of the sites also have heatsink calculators....

Search under heatsinks for the various vendors... There's lots of stuff on this topic...

Good luck,

Steve

JoeBob · 30th May 2002, 12:34 AM

Apogee, that's a great idea. And no I won't be going all facy on it, I just want the chunk of metal to cool, I really don't care what it looks like...

Aud_Mot · 30th May 2002, 04:40 AM

The 4/78 issue of Audo Amateur has a very useful article on the subject. If you could dig up a copy, you would be gold. It is only 3 pages, but tells you almost everything you need to know.

This is the same issue that has the Pass A40 class A amplifier. AudioXpress no longer lists this year available on thier back issues page.

The math is no more complicated than a series/parallel resistor problem. Wakefeild Heatsink Company used to put a good primer in thier catalog.

Do not be intimidated.

Aud_Mot

27th May 2002, 09:12 PM	#1
JoeBob diyAudio Member Join Date: Nov 2001 Location: Montreal, Canada	Heatsink design tools. Well, I was wondering if anyone knows of any software to aid in the design of heatsinks, simulations maybe. I recently found out at my fathers work there a machine that will cut metal with pressurised water, so I'll be using this to make my heatsinks and I get to design them and get them for free, sounds great except I don't know if my designs will be enough cooling, or be horrible overkill (I guess horrible overkill wouldn't be a bad thing), so I'd like a way to find out (without having them made then testing them then...).

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27th May 2002, 10:05 PM	#2
Geoff diyAudio Member Join Date: Apr 2001 Location: UK	There is a useful, on-line calculator here: http://www.mhtl.uwaterloo.ca/cgi-bin/rect_hs and Rod Elliott has a simple spreadsheet calculator at the ESP Audio Pages. Geoff

27th May 2002, 10:56 PM	#3
GRollins diyAudio Member Join Date: Feb 2001 Location: Columbia, SC	Free heatsinks? Let's see...you're in Quebec...and that's about, what, ten or twelve hours drive from here...look for me early tomorrow morning. Grey

29th May 2002, 11:06 PM	#4
Apogee diyAudio Member Join Date: Feb 2002 Location: Tacoma, WA	Unless you're going to design something that's totally different, why not go to one of the heatsink manufacturer's websites and use one of their designs as a reference point? Most of the sites also have heatsink calculators.... Search under heatsinks for the various vendors... There's lots of stuff on this topic... Good luck, Steve

30th May 2002, 12:34 AM	#5
JoeBob diyAudio Member Join Date: Nov 2001 Location: Montreal, Canada	Apogee, that's a great idea. And no I won't be going all facy on it, I just want the chunk of metal to cool, I really don't care what it looks like...

30th May 2002, 04:40 AM	#6
Aud_Mot diyAudio Member Join Date: Apr 2002 Location: California	The 4/78 issue of Audo Amateur has a very useful article on the subject. If you could dig up a copy, you would be gold. It is only 3 pages, but tells you almost everything you need to know. This is the same issue that has the Pass A40 class A amplifier. AudioXpress no longer lists this year available on thier back issues page. The math is no more complicated than a series/parallel resistor problem. Wakefeild Heatsink Company used to put a good primer in thier catalog. Do not be intimidated. Aud_Mot