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regulation problem

regulation problem

regulation problem

(OP)
hallo, dear all!
i have a question. i am designing dosing a fluid from a tank via pump into two reservoars opened atmosphere where the constant dosing is required i planned a backpressure regulation and it works, everything is in horizontal position...now i want to do the same system with vertical position? does somebody knows already what can get wrong? what do you think happens with flow floctuations in flow of reservoar 1 and 2. please see attached image
can you write flow control equations etc or did somebody did something like this already
thanks  

RE: regulation problem

The different static heads to reservoir 1 and 2 will make it more difficult to adjust the needle valves. You should install pressure sensors 2 and 3 in front of the needle valves and not in the vertical pipe. But apart from that it should work. What kind of pump is installed?

RE: regulation problem

(OP)
I use centrifugal pump for fluid pumping

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