Study of Binary Nucleation in a Ludwieg Tube

Study of Binary Nucleation in a Ludwieg Tube

In extending earlier studies, the nucleation of ethanol-water mixtures is analyzed using Ludwieg tube flow in combination with a differential interferometer and high speed photographic diagnostics. Excellent agreement with calculations employing binary nucleation theory is obtained for alcohol-rich...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Zahoransky,R. A, Wittig,S. L. K
Format: Report
Sprache:eng
Schlagworte:
Component reports
Ethanols
High speed photography
Interferometers
Ludwieg tubes
Nucleation
Shock tubes
Water
West Germany
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Beschreibung
Zusammenfassung:In extending earlier studies, the nucleation of ethanol-water mixtures is analyzed using Ludwieg tube flow in combination with a differential interferometer and high speed photographic diagnostics. Excellent agreement with calculations employing binary nucleation theory is obtained for alcohol-rich mixtures whereas for high water concentrations differences between experiment and theory are observed. This is attributed to the characteristic change of the surface tension. The importance of the expansion rate is demonstrated. This article is from 'Proceedings of the International Symposium on Shock Tubes and Waves (13th), Niagara Falls, July 6-9, 1981,' AD-A122 200.