This transparency to infrared photons must be why Rossi uses this ceramic material to get heat unencumbered to his powder. Rossi is clever.
On Fri, Oct 10, 2014 at 7:55 PM, Axil Axil <janap...@gmail.com> wrote: > > http://digital.csic.es/bitstream/10261/83021/1/Sintering%20to%20transparency.pdf > > See page 528 > > Al2O3 is transparent to mid range infrared between the 2 and 5 micron > wavelengths. That is the operating temperature of the E-Cat. > > On Fri, Oct 10, 2014 at 7:34 PM, Axil Axil <janap...@gmail.com> wrote: > >> Jones is right... >> >> If the reactor material is transparent to infrared to any degree, the >> remote temperature sensor would be looking at the temperature somewhere >> inside the ceramic tube. Since the amount of radiate heat is proportional >> to the surface area of the radiating body at the air boundary, the >> temperature measurement would be incompatible with the proper temperature >> times surface area formula for calculating heat flow. >> >> They should have painted the reactor black or covered it with graphite >> and calibrated the remote temperature sensors based on a dummy reactor >> also painted black. >> >> >> >> On Fri, Oct 10, 2014 at 7:08 PM, Alan Fletcher <a...@well.com> wrote: >> >>> At 03:48 PM 10/10/2014, you wrote: >>> >>>> Yes and the thickness of the alumina and the "time constants" of heat >>>> transfer dTouter/dt = K(Tinner - Touter) or similare suitable equation. >>>> >>> >>> Fundamentals of Ceramics >>> Michael Barsoom >>> About 600 pages. >>> >>> I found a probably bootleg copy on the web, but you'll have to google it >>> yourself. >>> >>> >>> >> >
