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

ISSN for PRINT: 1045-5110

For Online Access

Best Paper Award Selection - Editorial Board Site

2004, Volume14

Issue 5

103 pages

DOI: 10.1615/AtomizSpr.v14.i5

Issue price - $85.00

T. Gemci
Spray Systems Technology Center, Mechanical Engineering Department, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA

K. Yakut
Spray Systems Technology Center, Mechanical Engineering Department, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA

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

T. C. Ho
Corporate Strategic Research Labs, ExxonMobil Research and Engineering Co., Annandale, New Jersey, USA

This work examines flash atomization of water and water/acetone by varying the relative concentrations of propellant gas and liquid, injection temperature, and pressure. Breakup pattern and spray quality were characterized by taking images at the nozzle exit. Mean droplet diameters were measured as a function of operating conditions. It is shown that acetone as a propellant liquid can significantly enhance the atomization of water. Further enhancement can be achieved by adding a propellant gas (nitrogen). For a given mean drop size, the presence of the propellant liquid can markedly reduce the propellant gas-to-liquid ratio. This result has a direct bearing on the atomization of heavy hydrocarbon liquids with injectors subject to propellant gas and/or pressure constraints.

DOI: 10.1615/AtomizSpr.v14.i5.30 Download article, 18 pages

Article price - $35.00

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