On Sat, Mar 14, 2009 at 5:38 AM, Ernest L. Gunerius <er...@comcast.net>wrote:
> > ~------~--~--- > > > With a coarse finish the surfaces are held apart by the metal to metal > contact at random spots and the interstices are filed with compound. The > compound has a finite, even if small, Thermal resistance. The length of the > path through the compound is defined by the roughness of the surfaces. > > The smoother the surface the smaller the interstices left by the metal to > metal contact points. Thus the layer of Compound necessary to fill the > interstices is thinner. > > It could be argued and possibly answered by experiment that there could be > a surface condition in the range between a very rough finish and a finish > that imposes a Casimir force that would give the minimum thermal > resistance at a reasonable cost of Time, Money and Resources. > > I would imagine that the Engineers at the Heat sink, Thermal Paste, > Processor and Computer Manufacturers have thoroughly investigated the > situation. > > If they have followed good engineering practices they have experimented and > found a workable solution within the Triple Constraint (Money, Resources, > Time). > > The Over Clockers are the modern equivalent of the old Shade Tree Mechanics > squeezing the last possible Horsepower/Torque out of a Flat Head Ford > engine; as they work within their version of the Triple Constraint. > > If it works for them, Hurrah, > > ErnieG > _______________________________________ > Hey Ernie ! Let's you and me build a Rat Rod! Adrian --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed Low End Mac's G3-5 List, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com To unsubscribe from this group, send email to g3-5-list-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list?hl=en Low End Mac RSS feed at feed://lowendmac.com/feed.xml -~----------~----~----~----~------~----~------~--~---
