Re: [Phys-l] Heat transfer lab

["Edmiston, Mike" <edmiston@bluffton.edu>]

Yes, the working fluid boils at the hot end and condenses at the cold end. The thermal energy transfer rate is pretty amazing. It is my understanding these are in use in places such as nuclear power plant heat exchangers.

Michael Edmiston, PhD
Professor of Physics & Chemistry
Bluffton University

On Nov 16, 2010, at 11:00 PM, "Bernard Cleyet" <bernardcleyet@redshift.com> wrote:

> Sci.Am. long time ago discussed these w/ the comment,  carrying a bucket of hot water was much faster than any conduction.
>
> Does your rod work by vaporization at one end and condensation at tother, or is it simple convection?
>
> bc thinks could be quantitative if the temp diff. was very great and was simply a measurement to find the thermal conductivity of the Al bar.
>
> scroll to W/m-C:
>
> http://www.engineersedge.com/properties_of_metals.htm
>
> On 2010, Nov 16, , at 18:56, Edmiston, Mike wrote:
>
> > Stainless has gone practically nowhere in the short time it takes the special heat-exchanger rod to change color along the full length of the rod.
>
> _______________________________________________
> Forum for Physics Educators
> Phys-l@carnot.physics.buffalo.edu
> https://carnot.physics.buffalo.edu/mailman/listinfo/phys-l