Flow rate vs pressure relationship in a hydraulic cylinder

  • Thread starter serbring
  • Start date
  • #1
serbring
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Hi all,

I need to model an hydraulic cylinder with simulink and to control it according to some rules. What I don't understand is to find a relationship between the flow rate and pressure inside it. Any suggestion is appreciated.

Thanks
 

Answers and Replies

  • #2
Baluncore
Science Advisor
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A hydraulic system is designed so the pipes are large enough to not obstruct the flow. The pressure in the cylinder will be determined by the load connected to the rod.

The flow rate sets the rate of movement of the piston. It is independent of the pressure, except for the external mechanical components connected to the rod.
 

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