Dynamics of Supersonic Droplets of Volatile Liquids

Hermanson investigated the dynamics of droplets consisting of volatile fluid smoothly accelerated to supersonic Mach numbers without passage of shock waves through the droplet. This was accomplished over a range of liquid vapor pressures using a compact, underexpanded supersonic jet configuration. T...

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Bibliographic Details
Published in:AIAA journal 2007-03, Vol.45 (3), p.730-733
Main Author: Hermanson, J. C
Format: Article
Language:English
Subjects:
Aerodynamics
Aircraft
Drops and bubbles
Exact sciences and technology
Flow velocity
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Nonhomogeneous flows
Physics
Turbulent flow
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Summary:Hermanson investigated the dynamics of droplets consisting of volatile fluid smoothly accelerated to supersonic Mach numbers without passage of shock waves through the droplet. This was accomplished over a range of liquid vapor pressures using a compact, underexpanded supersonic jet configuration. This is an extension of a previous study of superheated droplet disruption with compressible, but subsonic, flow relative to the droplets . One challenging aspect in the study of liquid drops in high-speed airstreams is the measurement of the drop velocity and acceleration. Double-pulsed, planar laser imaging was employed here to determine the velocity of the droplets for various test fluids.
ISSN:0001-1452
1533-385X
DOI:10.2514/1.26962