ELECTROHYDRODYNAMIC SPRAYING OF GALLIUM-INDIUM ALLOY,
Abstract
The electrical atomization of a liquid eutectic alloy of Gallium and Indium was investigated in a vacuum. A time-of-flight mass spectrometer was used to determine the drop characteristics in the spray. The atomization, per se, results from the instability created at the liquid-vacuum interface by the electric stress of an applied static electric field. The mass flow rate as well as the liquid parameters and the electric field determine the liquid behavior during the spraying process. Thus, these parameters at the liquid surface were considered to be the important aspects of the study. The operating mode of the atomization process and the specific charge distribution of the sprayed particles was determined for fields ranging from the minimum required to create instability to fields of sufficient amplitude to evaporate the parent atoms from the liquid surface as ions by field emission. Multiatomic ions, as well as macroscopic drops, were present in the spray depending on the values of the major parameters of the spraying process. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 23, 1967
- Accession Number
- AD0677292
Entities
People
- Donald S. Swatik
Organizations
- University of Illinois Urbana–Champaign