Contraction of a static fluid due to cooling

AI Thread Summary
The discussion focuses on modeling a hydraulic system where a cooling effect causes contraction of a water-glycol fluid, leading to a pressure decrease. The user seeks to understand the dynamics of this contraction and its impact on pressure, including the possibility of vacuum formation. Suggestions for further research include exploring concepts like thermal expansion and relevant coefficients. A resource link is provided for additional information on volumetric temperature expansion. Understanding these principles is crucial for effectively compensating for pressure changes in the system.
chaoticfarmin
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Hi,

I'm trying to model a compensation device in a hydraulic system. Basically, I have a closed pipe that contains a body of liquid (water glycol) and as time elapses this fluid is subject to a cooling effect. This results in contraction and hence a pressure decrease which is subsequently compensated for by the injection of additional fluid.

What I'm struggling to understand are the exact dynamics of contraction and how this affects the pressure (for example, does a vacuum form etc.?).

If anybody can impart some pointers/direct me to some good literature then I would be extremely grateful!

Cheers if you can help.
 
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