Thanks for your reply. Good to hear that the calculator is the right approach.
The reason I doubted it, was that I wasn't sure if it was ok to assume al the water height difference would result into a pressure difference. I thought that maybe a significant amount of the pressure would be needed...
Hello all,
This is the situation: a pipe, shown in de drawing below, is lifted at a constant speed of 1m/min. The pipe is closed at the top and open at the bottom. For obvious reasons, a ventilation hole is required at the top. The intention is to lift a minimum amount of water, in other words...