Fluid pressure

  • #1
For a physics project I've decided to investigate factors affecting the flow rate of liquids. One of the factors I'm investigating is how an increase in liquid in a container will induce greater pressure and hence increase the flow rate. I need a theoretical link for the data I obtain for this influence. If you can help I'd really appreciate it.
 

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  • #2
arildno
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Are you talking of Torricelli's law here, when thinking of the flow rate out of the container?
In that case, you're certainly right; "increase in liquid" will definitely increase the hydrostatic pressure at a fixed level in the fluid.

EDIT:
(It is however, more illuminating to think in terms of an increase of the difference in gravitational potential energy between surface and opening than an increase of hydrostatic pressure at the level of the opening.)
 
Last edited:

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