Regarding the issue of the plate spacing between multiple flow restriction orifice plates
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How is the plate spacing determined for multiple flow-limiting orifice plates? @GrizzlyBear
There are no strict regulations regarding this in the standards. Generally, we need to be careful not to create too much disturbance in the gas, so as to avoid intense vibrations in the pipes and excessive noise. For liquids, be careful not to cause partial cavitation due to excessive disturbance from continuous pressure reduction. So if we consider the perturbation-recovery process as a simple one, then 2D-3D is generally sufficient. For the pump inlet, we use a 5D size, while for the orifice plate we use a 10D size; I think my requirements mentioned earlier certainly do not meet the specifications for the equipment or instruments. So I estimate 2-4D. Say hello to everyone and wish them a pleasant workday~
CAESAR II might be able to simulate it, and you can also ask your colleagues who work on CAESAR II.