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Calculate piston force to push viscous fluid

Question asked by Francisco Pinto on Oct 6, 2014
Latest reply on Oct 7, 2014 by Jared Conway

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Hello.

I am new to solidworks and i am having trouble with my project.

I have a tank where there is a very viscous fluid, like a cosmetic cream and because of that viscosity it wont flow out without help. i have an electric piston that pushes the fluid out, but i need to know what force is needed to push it out so i can choose an adequate linear actuator. i watched a lot of tutorials and i can´t find something that helps me

I hope i asked my question clearly. I really need help.

Thanks

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Jared Conway Oct 6, 2014 9:25 PM
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this is not possible in solidworks simulation or flow simulation.

you will need to resort to estimating things based on hand calcs. you should be able to do something with the viscosity and the force that it would generate trying to leave the small end.
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- Francisco Pinto @ Jared Conway on Oct 7, 2014 6:03 AM
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  thank you for the answer.
  
  And if i forget about the piston and just work with pressures. for example if i want the fluid to pass through the opening at x m/s. what pressure i need to put on top of the fluid to make it do that. is that possible?
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  - Jared Conway @ Francisco Pinto on Oct 7, 2014 2:47 PM
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    you could assume on the piston side that it is a constant flow and then the outlet is flowing into a fluid volume of the same type of fluid and find out the pressure drop which might help
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Calculate piston force to push viscous fluid

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