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Inviscid stability of bubbly jets

d'Auria, Fabrizio and d'Agostino, Luca and Brennen, Christopher E. (1995) Inviscid stability of bubbly jets. In: 31st AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, July 10-12, 1995, San Diego, CA. http://resolver.caltech.edu/CaltechAUTHORS:20130725-165119685

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Abstract

This paper investigates the effects of bubble dynamics on the stability of bubbly and cavitating jets of low void fraction. The equations of motion for the bubbly mixture are linearized for small perturbations and the parallel flow assumption is used to obtain a modified Rayleigh equation governing the inviscid stability of a two-dimensional jet. Inertial effects associated with the bubble response and energy dissipation due to the viscosity of the liquid, the heat transfer between the two phases, and the liquid compressibility are included. Numerical solutions of the eigenvalue problem for the modified Rayleigh equation of a Bickley jet are obtained by a multiple shooting method. Depending on the jet velocity, the void fraction, and the ambient pressure, the presence of air bubbles can induce significant departures from the classical results for a single phase fluid.


Item Type:Conference or Workshop Item (Paper)
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.2514/6.1995-2377DOIUNSPECIFIED
http://arc.aiaa.org/doi/abs/10.2514/6.1995-2377PublisherUNSPECIFIED
Additional Information:© 1995 AIAA. The authors gratefully acknowledge the support of the Office of Naval Research under grant number N-00014-91-K-1295 and of the Italian Ministry of University and Scientific Research.
Funders:
Funding AgencyGrant Number
Office of Naval Research (ONR)N-00014-91-K-1295
Italian Ministry of University and Scientific ResearchUNSPECIFIED
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Other Numbering System NameOther Numbering System ID
AIAA Paper95-2377
Record Number:CaltechAUTHORS:20130725-165119685
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20130725-165119685
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:39601
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:26 Jul 2013 14:29
Last Modified:26 Jul 2013 14:29

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