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Non-Newtonian power law: unable to define minimum and maximum viscosity |
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September 5, 2015, 12:27 |
Non-Newtonian power law: unable to define minimum and maximum viscosity
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#1 |
New Member
Join Date: Aug 2015
Posts: 7
Rep Power: 10 |
Hello guys!!!
I m a beginner in fluent and i really need your help for one project that i have! My project is about: Pipe with non Newtonian fluid inside i do not have the lenght of my geometry but my fluid is fully developed (that means that the pipe shoulb pretty long to have this condition right?) Well i draw my geometry and than i start to use fluent whe i define material and i put "water-liquid" than i select "viscosity-> Non newtonian power law" and then i should have minimun and maximum viscosity, but i don't, and i really don't know which kind of values i have to put and in which way i ca ceck if they will be correct or not.Can you help me please? Thanks. |
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September 21, 2015, 00:13 |
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#2 |
New Member
Afiq Azmi
Join Date: Sep 2015
Posts: 1
Rep Power: 0 |
Hey simona , i'm also have problem same with you , untill now you have any solution to find maximum , minimum viscosity and consitency index for fluent ?
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September 21, 2015, 05:47 |
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#3 |
Senior Member
Bruno Machado
Join Date: May 2014
Posts: 271
Rep Power: 13 |
For minimum and maximum you can conside the Pr of water divided and multiplied by 1E4 respectively. After that you can check if your Molecular Viscosity is located within this range.
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September 21, 2015, 05:49 |
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#4 | |
Senior Member
Bruno Machado
Join Date: May 2014
Posts: 271
Rep Power: 13 |
Quote:
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