Simulation and Experimental Study on the Atomization Character of the Pressure-Swirl Nozzle

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DOI: 10.4236/ojfd.2012.24A032    5,267 Downloads   8,433 Views  Citations
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ABSTRACT

In this paper the atomization character of the pressure-swirl injector was measured by using the Phase Doppler Particle Analyzer (PDPA) in the section of 150 mm below the outlet of the orifice. The orifice diameter of the pressure-swirl injector is 0.62 mm. The atomization character includes the spray angle, the water flow rate, the Sauter mean diameter (SMD), the velocity of the particles and their distribution in the radial and the axial directions under the pressure from 1 MPa to 4.5 MPa. After that the atomization character of the pressure-swirl injector was simulated in the DPM panel. The same atomization character of the injector was calculated and compared with the experimental data. The simulation was corrected by using the experimental data which can make it accurately and the model can be used to predict and calculate the atomization character of different injectors.

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Zhao, J. and Yang, L. (2012) Simulation and Experimental Study on the Atomization Character of the Pressure-Swirl Nozzle. Open Journal of Fluid Dynamics, 2, 271-277. doi: 10.4236/ojfd.2012.24A032.
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