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Silicone oil question

Silicone oil question

Old 12-19-2005, 03:23 AM
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Hello,

I'm doing an experiemt on silione oil in my laboratory in school. I'm using various silicone oils ranging from 20wt to 1000000wt. Does anybody know what the other expression of is? I know it is related to the liquid's density... Thanks! Need help ASAP!!!

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Old 12-19-2005, 01:14 PM
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interesting experiment..

not sure what expression your thinking of..
a couple ways to measure would be somthing like the coefficient of friction by measuring a free falling body through the fluid..

another would be refraction index..

your definately going to need a controlled temp..
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Old 12-19-2005, 02:10 PM
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Another expression of density in terms of a liquid would be viscidity, viscosity, consistency, and elasticity. I hope this is what you are looking for!
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Old 12-19-2005, 03:32 PM
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To my knowledge, the "weight" rating directly correlates to its resistance to flow. Now, how that is obtained, I do not know.
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Old 12-25-2005, 06:11 AM
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How is this test going to be conducted? I know CPS (Centi Poise) is another expression associated with oil and it's weight.
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Old 12-25-2005, 09:02 AM
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done the experiment already.... we simply measure the effect of lubrication on two contact surfaces by measuring static and kinetic friction between them. we tested different lubricants... WD-40, seley's rp7, sewing machine oil, and silicone oil from 20wt to 1000000wt....


WD-40 gave more lubrication than selley's rp7. we also found out that lubrication from lubricants is inversely proportional to the density of the lubricant. the unit of wt didn't matter... we were still able to find the relationship..
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