首页|Numerical Simulation of Spray Characteristics of an Effervescent Atomizer
Numerical Simulation of Spray Characteristics of an Effervescent Atomizer
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国家科技期刊平台
NETL
NSTL
万方数据
维普
Using fluid dynamics software Fluent, the spray characteristics of an offervescent atomizer in a downstream flow field was simulated and analyzed, the results show that on the cross sections of the atomizer downstream flow field, the distribution of the atomized droplet size is small and mainly concentrated about Sauter mean diameter (SMD), and the distribution of the axial velocity is large, but mainly concentrated about the gas peak velocity in the closer nozzle axis area; the gas peak velocity of the atomized droplet increases, while the droplet SMD decreases with increase of the nozzle caliber and the air pressure; with the increase of the flow rate of cutting fluid, the atomized droplet SMD increases, while the gas peak velocity rises first and then decreases, but the decrease trend is very small after the air pressure is more than 0.4 MPa. The simulation results have significance in gniding for designing and applying the effervescent atomizer.
国家科技期刊平台
NSTL
万方数据
维普
