@Article{hmt.18.26,
AUTHOR = {L. Cheng, Y. L. Zhang},
TITLE = {SELF-COUPLING NUMERICAL CALCULATION OF CENTRIFUGAL  PUMP STARTUP PROCESS},
JOURNAL = {Frontiers in Heat and Mass Transfer},
VOLUME = {18},
YEAR = {2022},
NUMBER = {1},
PAGES = {1--6},
URL = {http://www.techscience.com/fhmt/v18n1/52457},
ISSN = {2151-8629},
ABSTRACT = {To obtain the transient characteristics of a centrifugal pump during a rapid startup process accurately, a circulating piping system, including the
pump, is established. A full three-dimensional unsteady incompressible viscous flow of a low-specific speed centrifugal pump during rapid startup is 
numerically simulated using the finite volume method, RNG k-ε turbulence model, sliding grid technology, dynamic grid technology, and userdefined function. Results show that the effect of dynamic and static interference becomes remarkably evident with the increase in speed in the 
starting process. The effect of dynamic and static interference makes the flow rate show small fluctuation characteristics, and the flow rate rises 
slowly in the initial stage of startup. The evolution of the transient flow field lags behind that of the quasi-steady flow field, which may be related to 
the fact that the pressure energy is not converted into kinetic energy in time during the transient process. The entire startup process shows evident 
transient behavior.},
DOI = {10.5098/hmt.18.26}
}