||Effervescent Atomization at Low Air/Liquid Ratios.
Sutherland, J. ;
Panchagnula, M. ;
Sojka, P. E. ;
Plesniak, M. W. ;
Gore, J. P. ;
||Purdue Univ., West Lafayette, IN. Thermal Sciences and Propulsion Center.;Environmental Protection Agency, Research Triangle Park, NC. Air Pollution Prevention and Control Div.
Material substitution ;
Consumer products ;
Aerosol generators ;
Environmental chemical substitutes ;
Design analysis ;
Surface tensions ;
Air pollution abatement ;
Pollution prevention ;
||Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy.
||The paper discusses the performance of a new type of consumer product aerosol dispenser that allows the substitution of water for volatile organic compound solvents and air for hydrocarbon propellants. A key result is the production of sprays whose Sauter mean diameters are 70 micrometers and below for air/liquid ratios by mass of < 1%. High speed photographic and three-dimensional focused holographic images clearly demonstrate a difference in the near nozzle when compared to an earlier design. Both designs exhibit a tree-like breakup regime, but a larger number of smaller ligaments are present in the current nozzel. In addition, the unstable ligaments appear to break up at much shorter wavelengths, resulting in smaller drops being formed.
||Details in illustrations may not be fully legible in microfiche. Presented at the Environmental Protection Agency/Air and Waste Management Association Conference, Engineering Solutions to Indoor Air Quality Problems, Research Triangle Park, NC., July 24-26, 1995. Sponsored by Environmental Protection Agency, Research Triangle Park, NC. Air Pollution Prevention and Control Div.
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||PC A03/MF A01