On rotating jet pump differential according piezometric load and numerical results, the rotational flow field into "outer swirl" and "swirl within the" structure model were established.
On the differential rotary pump, according to the pressure tube pressure measurement and numerical calculation results, the rotating flow field is divided into "outer cyclone" and "inner cyclone" to establish its structural model.
According to the results of pressure measurement and numerical calculation, the rotating flow field of differential jet pump is divided into "outer swirl" and "inner swirl", and its structure model is established respectively.