The time to stop the impeller is important in term of lubrication which is provided only for a limited time.
In a first time I thought that the impeller will stop quickly with the "minimum flow valve" closed, instead the simulation result is exactly the opposite. This could be due to the fact...
I'm sorry, I probably don't explained properly the problem.
"Recycle valve" is a minimum flow valve which tries to maintain a set point on flow through the pump. So, when pump shut off occurr, flow decrease quickly and the controller, if enabled, opens "minimum flow valve" in order to maintain...
Hello,
I simulated a centrifugal pump shut-off in two different conditions: with recycle valve open and with recycle valve closed.
In the first case recylce valve starts to open when flow reachs a set-point value from an higher rated flow and remains open for the entire shut-off period; in the...