Go Back   Home > Forums > >
Home Forums Rules Articles diyAudio Store Blogs Gallery Wiki Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

Solid State Talk all about solid state amplification.

Chrome Heat Sinks
Chrome Heat Sinks
Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Thread Tools Search this Thread
Old 31st May 2002, 07:14 AM   #21
GRollins is offline GRollins  United States
diyAudio Member
Join Date: Feb 2001
Location: Columbia, SC
See Geoff's links.

  Reply With Quote
Old 31st May 2002, 06:38 PM   #22
phishead8 is offline phishead8  United States
diyAudio Member
phishead8's Avatar
Join Date: Sep 2001
Location: Los Angeles, CA
Nelson and Grey,

Well, I have to admit that I've been wrong. I was hoping that someone here could give an explanation, rather than just telling me the way that it is, but I understand if you don't have the time.

Let me explain it to those that I've possibly led astray.

A surface between two mediums is a radiation filter. What this means is that it will reflect radiation or transmit radiation through the surface, depending on its properties (see Geoff's list). Some materials are better than others, etc. What is important to understand though (and what I was having trouble with) is the fact that the filter is the same for both directions. For example, a shiny object that reflects radiation away from it, also reflects internal radiation back into it. Let me try a picture:

.............................| transmitted heat
..........reflected heat|
........ Medium 1.......| Medium 2

Heat coming in from the other direction will transmit and reflect to exactly the same proportions.

This is important, because otherwise the laws of thermodynamics will not be conserved. Otherwise, one could imagine a surface that had perfect transmittance one direction and perfect reflection the other. This fictional paint would cause objects to begin heading towards absolute zero, or become infinitely hot. Obviously this is not the case.

If you are having trouble with a heat sink that is a little too small, you may try painting it black before giving up. It may make the difference.

As far as chroming: I have to admit that it would look cool. Even though it would be a litttle warmer than a black one.

Standing corrected,
  Reply With Quote
Old 31st May 2002, 07:02 PM   #23
Nelson Pass is offline Nelson Pass  United States
The one and only
Nelson Pass's Avatar
Join Date: Mar 2001
Chrome Heat Sinks
A very lucid explanation, and a gracious concession.
  Reply With Quote
Old 31st May 2002, 07:04 PM   #24
tvi is offline tvi  Australia
diyAudio Member
tvi's Avatar
Join Date: Apr 2001
Location: Moonee Ponds, Vic, Australia
From an old IERC catalogue.

<i>Black anodize provides a 8-10% increase is heat dissipation over unplated Aluminium under most condition of natural convection.</i>

  Reply With Quote


Chrome Heat SinksHide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
What might this mean for heat-sinks? seventenths Everything Else 17 1st July 2008 07:20 PM
FS: Heat sinks gengis Swap Meet 8 17th March 2006 01:27 AM
Heat Sinks serengetiplains Parts 3 3rd January 2006 06:41 AM
where do you get your heat sinks ? percy Chip Amps 12 16th August 2005 07:00 PM

New To Site? Need Help?

All times are GMT. The time now is 02:50 AM.

Search Engine Optimisation provided by DragonByte SEO (Pro) - vBulletin Mods & Addons Copyright © 2018 DragonByte Technologies Ltd.
Resources saved on this page: MySQL 16.67%
vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2018 DragonByte Technologies Ltd.
Copyright ©1999-2018 diyAudio