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Generation of a strong core-centering force in a submillimeter compound droplet system
By amplitude-modulating the driving voltage of an acoustic levitating apparatus, a strong core-centering force can be generated in a submillimeter compound droplet system suspended by the radiation pressure in a gaseous medium. Depending on the acoustic characteristics of the droplet system, it has been found that the technique can be utilized advantageously in the multiple-layer coating of an inertial-confinement-fusion pellet.
Date:
January 1, 1981
Creator:
Lee, M. C.; Feng, I.; Elleman, D. D.; Wang, T. G. & Young, A. T.
System:
The UNT Digital Library
Numerical Calculation of the Three Dimensional Electrical Field in the Central Region of a Cyclotron
To provide detailed and accurate electric fields in the ion source-puller region and at the dee dummy-dee gap for a cyclotron, a relaxation method solution of Laplace's equation has been used. A conventional difference equation with variation in mesh size and relaxation factor as well as different schemes for boundary corrections have been developed to achieve roughly 1 percent accuracy for a thre-dimensional domain with 10/sup 6/ mesh points. Although the computation requires considerable computer time, it is much less expensive than electrolytic tank analogue methods for measuring field distributions around complex electrode configurations.
Date:
January 1, 1981
Creator:
Chen, M. & Lind, D. A.
System:
The UNT Digital Library