| Hi Tom, Thanks much for that but what about the bluish color at base of the flame, both immediately above and beneath stick ? Richard Stanley =========== On Oct 19, 2013, at 7:02 AM, Thomas Reed wrote: Dear Stephen, Dean and All I recently warned that "temperature" is only really defined when solids and gases are in thermal equilibrium. During flaming pyrolysis of wood they are not in equilibrium. The gases could be over 1000C while the surface of the solid, cooled by the reaction, is below 500C. However, the subjective color is a good indication of approximate temperature as indicated in the following table from Wikipedia. "Subjective color to the eye of a black body thermal radiator[edit]
 Thomas B Reed 280 Hardwick Rd Barre, Ma 01005 508-353-7841 |
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