On Mon, 08 Jun 2009 15:36:48 -0400 Rich Thomas <richthomas79td...@constructivity.net> wrote:
> Heat transfer (conduction) goes at the 4th power of the temp difference > over a distance, Actually, it's radiation that goes as the 4th power; conduction is linear with temperature. > if you have a smaller path for heat to transfer (like > in a flattish fuel tank) it can go very quickly, in a big round tank > like a truck or dump it goes slowly. (that does not account for > convection, i.e. swirling around, just conduction which is more > applicable in a big stable tank -- in a small tank it swishes around and > warms up quickly from the tank sides). A flatish tank has more surface area for the volume than a round tank. That's why the contents heat up faster. > Physics are fun. Indeed. Craig _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com