Modeling of the Centering Force in a Compound Emulsion to Make Uniform Plastic Shells for Laser Fusion Targets

In laser fusion experiment, fuel capsules with high sphericity and high wall-thickness uniformity are often fabricated by the emulsion method. To understand the process of forming the uniform wall by the emulsion method and to further improve the thickness uniformity, we formulated a model to simula...

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Bibliographic Details
Published in:Fusion technology 1999-03, Vol.35 (2), p.147-156
Main Authors: Norimatsu, T., Izawa, Y., Mima, K., Gresho, P. M.
Format: Article
Language:English
Subjects:
Chemistry
Colloidal state and disperse state
Emulsions
Emulsions and suspensions
Emulsions. Microemulsions. Foams
Exact sciences and technology
General and physical chemistry
Hydrodynamic models
Hydrodynamics
Mathematical models
Nuclear physics
Nuclear reactions: general
Nuclear-reaction models and methods
Other confinement methods
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Plastics
Thermodynamics
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Summary:In laser fusion experiment, fuel capsules with high sphericity and high wall-thickness uniformity are often fabricated by the emulsion method. To understand the process of forming the uniform wall by the emulsion method and to further improve the thickness uniformity, we formulated a model to simulate the centering process of a water globule in a compound emulsion. We newly added a thermodynamic force to the centering force in addition to previous hydrodynamic forces. Our result indicates that nonuniform emulsion turns to be uniform by repeating instantaneous deformations followed with continuous rotation around the horizontal axis.
ISSN:0748-1896
DOI:10.13182/FST99-A11963918