Mailing List flyrotary@lancaironline.net Message #18352
From: Ernest Christley <echristl@cisco.com>
Subject: Re: [FlyRotary] Re: EWP Test Results/DRAG
Date: Fri, 04 Mar 2005 09:36:49 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Tracy Crook wrote:

Ernest,
I had no idea that water viscosity changed that much with temperature.  Is the same true of 50 - 50 glycol & water?
 
Tracy


It appears that just about all liquid follow an inverse log function.

Andrade Viscosity Correlation:  ln(u,cps) = 5338/(T(K))-12.63 (Valid between -10C to 50C)

http://www.lyondell.com/html/products/techlit/2570.pdf
http://hypertextbook.com/physics/matter/viscosity/

Ernest (Google is my friend)
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