Talk:Trouton's ratio

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But it seems that Trouton's ratio is usually applied to something about viscosity.

Charles Matthews 09:25, 3 Dec 2004 (UTC)

the Trouton ratio, in the context of viscosity, is the ratio of Extensional Viscosity to Shear Viscosity, it is 3 for newtonian liquids, and more than 3 for non-newtonian liquids.

Troutons constant redirects here - confusing[edit]

Shouldn't the 'physics' (thermodynamic) one be a 'constant' rather than a 'ratio' since it has physical units ? Is there a ref for the thermodynamic one being called a ratio ? - Rod57 (talk) 13:53, 5 November 2015 (UTC)