Bulletin of the American Physical Society
74th Annual Gaseous Electronics Conference
Volume 66, Number 7
Monday–Friday, October 4–8, 2021;
Virtual: GEC Platform
Time Zone: Central Daylight Time, USA
Session HW12: Inductively Coupled Plasmas
8:00 AM–9:30 AM,
Wednesday, October 6, 2021
Virtual
Room: GEC platform
Chair: Bocong Zheng, Fruahnhofer Institute
Abstract: HW12.00003 : Transient magneto-hydrodynamic modeling of inductively coupled plasma discharges *
8:30 AM–8:45 AM
Presenter:
Sanjeev Kumar
(University of Illinois at Urbana-Champaign)
Authors:
Sanjeev Kumar
(University of Illinois at Urbana-Champaign)
Alessandro Munafo
(University of Illinois at Urbana-Champaign)
Nagi N Mansour
(University of Illinois at Urbana-Champaign)
Marco Panesi
(University of Illinois at Urbana-Champaign)
The present work focuses on the computational study of magneto-hydrodynamic instabilities in ICP wind tunnels due to transient electro-magnetic fields and three-dimensional effects(created by non-axisymmetric coil configurations) in order to quantify its stability criteria. The MHD governing equations consists of a set of Navier-Stokes equations which are solved in a cell-centered finite volume flow solver and Maxwell equations which are solved in a mixed finite-element electromagnetic solver. Both sets of equations are coupled via Lorentz forces and Joule heating terms in the momentum and energy equations respectively.
The coupled multi-physics framework can perform simulations for 2D axi-symmetric as well as 3D ICP configurations. Preliminary results are obtained for a steady state 2D-axisymmetric plasma torch configuration. The results have been validated via code-to-code validation with another ICP solver CoolFluid. The future work will focus on performing three-dimensional transient ICP simulations to study the effects of transient electromagnetic field and actual coil configuration on the plasma flowfield.
*The present research is funded by the Center for Hypersonics & Entry Systems Studies (CHESS) at University of Illinois at Urbana-Champaign.
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