Validity of Sutherland's viscosity model for high-T gases

tatu · March 6, 2013, 11:37

Hi!

I'm trying to figure out the validity of Sutherland's viscosity model for high-temperature gas flows. Can anyone recommend books / articles / other material where Sutherland's model is discussed more thoroughly?

Although the gas flow I'm studying is fully turbulent, I need to compute the drag force on particles injected into this flow, and for this I need the laminar viscosity.

Tatu

agd · March 6, 2013, 12:00

If you can get a copy of White's "Viscous Fluid Flow", he provides a table for various gases showing the temperature ranges to ensure an error of less than 2% for Sutherland's law. For air the temperature range is 300-3420 R. The reference for the data is Hilsenrath, et. al. (1955) "Tables of thermodynamic and Transport Properties", National Bureau of Standards Circular 564, reprinted by Pergamon Press, NY 1960.

March 6, 2013, 11:37	Validity of Sutherland's viscosity model for high-T gases	#1
tatu New Member Tatu Pinomaa Join Date: Oct 2012 Location: Finland Posts: 16 Rep Power: 14	Hi! I'm trying to figure out the validity of Sutherland's viscosity model for high-temperature gas flows. Can anyone recommend books / articles / other material where Sutherland's model is discussed more thoroughly? Although the gas flow I'm studying is fully turbulent, I need to compute the drag force on particles injected into this flow, and for this I need the laminar viscosity. Tatu

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March 6, 2013, 12:00		#2
agd Senior Member Join Date: Jul 2009 Posts: 359 Rep Power: 19	If you can get a copy of White's "Viscous Fluid Flow", he provides a table for various gases showing the temperature ranges to ensure an error of less than 2% for Sutherland's law. For air the temperature range is 300-3420 R. The reference for the data is Hilsenrath, et. al. (1955) "Tables of thermodynamic and Transport Properties", National Bureau of Standards Circular 564, reprinted by Pergamon Press, NY 1960.