Drainage flow rate calculation
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There is a hole with a diameter of 80 mm at the bottom of a 2-meter-long tank. To keep the tank always full, what should be the flow rate of water through that hole? How can this be calculated? I’d appreciate some advice from everyone
This is related to the liquid level height and the pressure drop in the outlet pipe at the bottom. If none of these factors are known, an estimated flow rate of 0.5–1.5 m/s for pipes with gravity-driven flow can be used; the flow rate of water at the bottom would then be approximately 9–27 m3/h.