Simulation for the influence of structure parameters on cavitation jet

Cavitation nozzle is the core component of cavitation generator. It promotes cavitation by its internal special structure, producing bubble and improving the impact force of jet. The structural characteristics directly affect the quality of the cavitation jet. Therefore, the study of internal structure of nozzle is helpful to improve the performance of nozzle. Based on CFD software, taking the Helmholtz nozzle as the object, the numerical simulations of internal flow field and external flow field in nozzle with different structure have been carried out. At the same time, the influence law of cavitation jet by various parameters and structural optimization of Helmholtz cavitation nozzle has been analyzed.