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Relationship Between Viscosity And Density


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#1 cornflict

cornflict

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Posted 04 June 2008 - 03:52 AM

Is there a relationship or link between a fluid's viscosity and density? Explain?

#2 djack77494

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Posted 05 June 2008 - 09:59 AM

QUOTE (cornflict @ Jun 4 2008, 12:52 AM) <{POST_SNAPBACK}>
Is there a relationship or link between a fluid's viscosity and density? Explain?

Simple answer is NO. The two are totally independent. You can have low or high density liquids that have low or high viscosities. There is no correlation between the two.

#3 Ali66

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Posted 06 June 2008 - 08:02 AM

QUOTE (cornflict @ Jun 4 2008, 04:52 AM) <{POST_SNAPBACK}>
Is there a relationship or link between a fluid's viscosity and density? Explain?


Hi Cornflict,
While absolute viscosity and density are independent properties, you may encounter use of kinematic visccosity which is by definition the ratio of a fluid's viscosity to density.

You can see an explanationhere:
http://www.engineeri...sity-d_412.html

Ali




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