Bulletin of the American Physical Society
76th Annual Meeting of the Division of Fluid Dynamics
Sunday–Tuesday, November 19–21, 2023; Washington, DC
Session X23: Free Surface Flows: Interaction with Structures II
8:00 AM–10:23 AM,
Tuesday, November 21, 2023
Room: 149AB
Chair: An Wang, Stevens Institute of Technology
Abstract: X23.00002 : Free surface perturbations of collapsing fluid cavities in magnetized target fusion machines*
8:13 AM–8:26 AM
Presenter:
Ivo J Dawkins
(McGill University)
Authors:
Ivo J Dawkins
(McGill University)
Alexandre Courtis
(McGill University)
Nick Sirmas
(General Fusion)
Jovan Nedic
(McGill Univ)
For fusion to be attained, it is critical that the free surface of the cavity is kept uniform throughout the collapse. This presents a challenge as the interior wall of the rotor, which is perforated with bore holes, causes a non-uniform pressure field, which results in wave-like free surface disturbances. Presently, it is not known exactly how the amplitude and shape of the disturbances are affected by the arrangement of rotor bore holes (rotor geometry).
In the present work, the influence of the rotor geometry on the free surface is investigated experimentally and numerically using a Rankine source panel method. The results are validated using commercial CFD. The influence of the rotor geometry and initial fill volume of fluid in the rotor are discussed.
*This work is funded under the NSERC General Fusion / McGill alliance grant.
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