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Atomization and Sprays

Published 12 issues per year

ISSN Print: 1044-5110

ISSN Online: 1936-2684

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WAVE CHARACTERISTICS OF LIQUID JETS FROM AIRBLAST COAXIAL ATOMIZERS

Volume 1, Issue 4, 1991, pp. 349-366
DOI: 10.1615/AtomizSpr.v1.i4.10
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ABSTRACT

Results of wavelength and frequency measurements are presented for liquid jets issuing from airblast coaxial atomizers. The liquid jet surface wavelengths were measured from the photographs for liquid jet velocity ranges of 1.1−18.2 m/s and air velocity ranges of 45.8−130 m/s. Frequencies were measured using a laser beam attenuation technique. The results show that wavelengths decrease with the liquid and gas jet velocities. The frequency band of the jet surface oscillations increased with the liquid jet velocity. Average frequencies were found to increase with both the liquid and the gas jet velocities. The resulting wave propagation velocities were insensitive to the variation of these velocities.

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  22. Zahoor Rizwan, Belšak Grega, Bajt Saša, Šarler Božidar, Simulation of liquid micro-jet in free expanding high-speed co-flowing gas streams, Microfluidics and Nanofluidics, 22, 8, 2018. Crossref

  23. Kumar Abhijeet, Sahu Srikrishna, Liquid jet breakup unsteadiness in a coaxial air-blast atomizer, International Journal of Spray and Combustion Dynamics, 10, 3, 2018. Crossref

  24. Kumar Abhijeet, Sahu Srikrishna, Large scale instabilities in coaxial air-water jets with annular air swirl, Physics of Fluids, 31, 12, 2019. Crossref

  25. Branam Richard, Mayer Wolfgang, Telaar Jürgen, Schneider Günther, Injection Characteristics on the Surface of a Coaxial Jet, 38th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, 2002. Crossref

  26. Kumar Abhijeet, Sahu Srikrishna, Influence of nozzle geometry on primary and large-scale instabilities in coaxial injectors, Chemical Engineering Science, 221, 2020. Crossref

  27. Umemura Akira, Shinjo Junji, A new LES approach to trans-critical mixing and combustion processes in high-pressure liquid-injectant engines, Proceedings of the Combustion Institute, 38, 2, 2021. Crossref

  28. Soni Surendra Kumar, Kolhe Pankaj S., Liquid jet breakup and spray formation with annular swirl air, International Journal of Multiphase Flow, 134, 2021. Crossref

  29. Shindle Bradley, Chandy Abhilash J., Numerical investigations of polymer sheet breakup and secondary phase change processes in steam contactors, Experimental and Computational Multiphase Flow, 4, 1, 2022. Crossref

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