Fluid sprinkling – spraying – and diffusing – One fluid stream impinges upon another
Patent
1980-02-25
1982-07-06
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
One fluid stream impinges upon another
175422, 2395905, B05B 126, B05B 134, E21B 718
Patent
active
043378994
ABSTRACT:
This invention is directed to a nozzle configuration capable of enhancing the cutting and drilling effects of high pressure liquid fluid jets. The jet system is particularly adapted to configurations of two or more liquid jets which are oriented to converge at a common point. The internal nozzle configuration produces controlled instability in the jet stream causing a more rapid breakup into droplets which can be combined to produce very fast moving jets and slow moving jets when collision between droplets occur. The velocity of the fast jets so formed may be several times greater than the original velocity of the droplets upon emergence from the nozzle orifices. The interiors of the nozzles are formed with circumferential grooves or protrusions which produce perturbations in the jet streams causing rapid break-up into droplets.
REFERENCES:
patent: 4151955 (1979-05-01), Stouffer
patent: 4231519 (1980-11-01), Bauer
Koski, W. S. et al., "Fast Jets From Collapsing Cylinders", Journal of Applied Physics, vol. 23, No. 12, Dec. 1952, pp. 1300-1305.
Walsh, J. M. et al., "Limiting Conditions for Jet Formation in High _Velocity Collissions", Journal of Applied Physics, vol. 24, No. 3, Mar. 1953, pp. 349-359.
Dunne, B. et al., "Some Phenomena Associated With Supersonic Liquid Jets", Journal of Applied Physics, vol. 25, No. 5, May 1954, pp. 569-572.
Crane, L. S. et al., "The Effect of Mechanical Vibration on the Break-Up of a Cylindrical Water Jet in Air", British Journal of Applied Physics, vol. 15, 1964, pp. 743-750.
Dabora, E. K., "Production of Monodisperse Sprays", The Reveiw of Scientific Instruments, vol. 38, No. 4, Apr. 1967, pp. 502-506.
Bowles Engineering Corporation, for U.S. Department of Transportation, "A Study of External Augmentation of the Velocity of Fluid Jets", (R-12-21-67 Contract No. 7-35380).
Mazurkiewicz et al., "Adaptation of Jet Accumulation Techniques for Enhanced Rock Cutting", ASTM Conference on Erosion: Prevention and Useful Applications, Vail, Colorado, Oct. 24-26, 1977.
Lord Rayleigh, F. R. S., "On The Instability of Jets", London Mathematical Society, vol. 10, No. 4, 1898, pp. 4-13.
Kashnikow Andres
Snyder Ray E.
The Curators of the University of Missouri
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