Advanced SearchSearch Tips
Interferometric Measurements of the Thickness Distribution of the Liquid Sheet Formed by Two Impinging Jets
facebook(new window)  Pirnt(new window) E-mail(new window) Excel Download
 Title & Authors
Interferometric Measurements of the Thickness Distribution of the Liquid Sheet Formed by Two Impinging Jets
Choo, Yeon-Jun; Kang, Bo-Seon;
  PDF(new window)
In this research, a study on the characteristics of the liquid sheet formed by two impinging jets is presented. Using the interference phenomena of light, the thickness of the liquid sheet, which seems to heavily affect the size of the droplets, is measured and compared with existing theoretical modelings. Thinner liquid sheet is produced with larger impinging angle, smaller orifice diameter, and higher azimuthal angle but the jet velocity doesn't affect the thickness. More viscous liquid produces thicker liquid sheet. The theoretical modelings predict the same trend as the experiments but the thickness values are overestimated at low azimuthal angles. This difference is gradually decreased as the azimuthal angle is increased: The breakup mechanism of the droplets from the liquid sheet is visualized by a high speed camera. The crest around the edge of the liquid sheet is protruded with the accumulation of liquid at the end of protuberance, which contracts into a spherical shape and then becomes detached when the stem breaks down, producing large droplets with a few small size of satellites.
Impinging-Jet Injector;Liquid Sheet;Liquid Sheet Thickness;Interference;
 Cited by
Sutton, G. P., 1992, Rocket Propulsion Element: An Introduction to the Engineering of Rockets, John Wiley & Sons, pp. 298-311

Taylor, F. R. S., 1960, 'Formation of Thin Flat Sheets Of Water,' Proc. Roy. Soc. of London, Vol. 259, pp. 1-17

Shen, Y., Impinging Jet Atomization at Elevated and Supercritical Ambient Conditions, 1997, Ph.D. Thesis, Univ. of Illinois at Chicago

Kang, B. S., Shen, Y. B., Poulikakos, D., 1995, 'Holography Experiments in the Breakup Region of a Liquid Sheet Formed by Two Impinging Jets,' Atomization and Sprays, Vol. 5, No. 4&5, pp. 387-402

Ranz, W. E., 1959, 'Some Experiments on the Dynamics of Liquid Films,' Journal of Applied Physics, Vol. 30, No. 12, pp.1950-1955 crossref(new window)

Miller, K. D., 1960, 'Distribution of Spray From Impinging Liquid Jets,' Journal of Applied Physics, Vol. 31, pp.1132-1133 crossref(new window)

Hasson, D. and Peck, R. E., 1964, 'Thickness Distribution in a Sheet Formed by Impinging Jets,' A.I.Ch.E. Journal, Vol. 10, pp. 752-754 crossref(new window)

Ibrahim, E. A. and Przekwas, A. J., 1991, 'Impinging Jets atomization,' Phys. Fluids A, Vol. 3, No. 12, pp. 2981-2987 crossref(new window)

Couto, H. S. and Bastos-Netto, D., 1991, 'Modeling Droplet Size Distribution from Impinging Jets,' Journal of Propulsion and Power, Vol. 7, No. 4, pp. 654-656

Dombrowski, N. Hasson, D., and Ward, D. E., 1960, 'Some Aspects of Liquid Flow Through Fan Spray Nozzles,' Chemical Engineering Science, Vol. 12, pp. 35-50 crossref(new window)

Foster, H. H. and Heidmann, M. F., 1960, 'A Spatial Characteristics of Water Spray Formed by Two Impinging Jet at Several Jet Velocities in Quiescent Air,' NASA TN D-301