Experimental studies have been conducted to investigate the effect of nozzle geometries on the atomization. Extensive measurements of mean drop size are conducted on the 15 dual-orifice pressure nozzles. These nozzles provide a range of discharge coefficient from 0.06 to 0.13. These experimental results are used to substantiate a semi-empirical correlation derived for determining the Sauter mean diameter (SMD) of sprays generated by dual-orifice pressure nozzles. The correlation is obtained by modeling the liquid internal and outer flow that govern the atomization process in dual-orifice pressure nozzles. A very satisfactory agreement is demonstrated between the predictions based on the correlations and the actual measured values of the SMD.
Effect of Geometric Parameters on Mean Drop Sizes From Dual-Orifice Pressure Nozzles
Manuscript received February 11, 2018; final manuscript received July 17, 2018; published online October 31, 2018. Assoc. Editor: Eric Petersen.
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Wei, X., Zhengyan, G., and Pimin, C. (October 31, 2018). "Effect of Geometric Parameters on Mean Drop Sizes From Dual-Orifice Pressure Nozzles." ASME. J. Eng. Gas Turbines Power. February 2019; 141(2): 021034. https://doi.org/10.1115/1.4041079
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