View source for Coefficient of Mutual Diffusion

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'''Coefficient of Mutual Diffusion'''
 
<BR/>A quantity in the kinetic theory of gases which measures the tendency of 
gases to diffuse into one another in nonturbulent flow. 
<BR/>''This diffusion coefficient is a property of the gases in question and 
of the assumed nature of the molecular impacts in the [[Diffusion|diffusion]] 
process. For rigid, perfectly elastic, spherical molecules the coefficient of 
mutual diffusion d<SUB>1,2</SUB> is, in square centimeters per second, 
<CENTER>'''Missing Image:IMG height=54 src="c_files/56comutdif.gif" width=261'''</CENTER>where 
''n'' is Loschmidt number (the number of molecules per cubic centimeter); 
'''''Missing Image:IMG src="c_files/sigmasm.gif"'''<SUB>1</SUB>, '''Missing Image:IMG 
src="c_files/sigmasm.gif"'''<SUB>2</SUB> and m<SUB>1</SUB>, m<SUB>2</SUB>'' are 
the effective molecular diameters and masses of the two gases, respectively; 
''T'' is the temperature,K; and ''k'' is Boltzmann constant.'' 
==References==
''This article is based on NASA's [[NASA SP-7|Dictionary of Technical Terms for Aerospace Use]]''
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