Question about thermal expansion coefficient -- CFD Online Discussion Forums

December 20, 2013, 09:15	Question about thermal expansion coefficient	#1
side_attack New Member LI SHIHuai Join Date: Jan 2013 Posts: 1 Rep Power: 0	Hi! guys! I got a question about thermal expansion coefficient. for ideal gas, the thermal expansion coefficient equals to 1/T, what does this T mean? absolute temperature? So, if Tw=300K, Th=1100K, how to calculate the thermal expansion coefficient? T=0.5*(300+1100)? or just simply choose 273.15 as the denominator? Can anyone help me? thanks!

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