Atomization and Sprays Journal of the International Institutes for Liquid Atomization and Spray Systems

ISSN for PRINT: 1045-5110

For Online Access

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1991, Volume1

Issue 1

144 pages

Issue price - $75.00

Francisco Ruiz
Department of Mechanical, Materials, and Aerospace Engineering, Illinois Institute of Technology, Chicago, Illinois, USA

Norman Chigier
Spray Systems Technology Center, Department of Mechanical Engineering, Carnegie-Mellon University 5000 Forbes Avenue, Pittsburgh, Pennsylvania, USA

The nature of the atomization mechanism of a high-speed cylindrical liquid jet surrounded by a gaseous atmosphere is studied by analyzing the effects of different dimensionless parameters. A series of experiments was designed to detect the influences of individual mechanisms and properties. The aerodynamic, turbulent, and cavitation mechanisms of atomization are evaluated in view of the variations observed. High-speed atomization can be explained by a combination of cavitation-generated turbulence and aerodynamic effects. A widely used formula for the spray angle was found to need a significant correction in one of its parameters.

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