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Graduate Student Seminar - May 1, 2020

"Investigating the Magnetohydrodynamic Stability of Novel Equilibria in a Nuclear Fusion Device"

by Rahul Gaur

Advisor:  Professor William Dorland

Friday, May 1, 2020 -- 12:00 p.m.
Zoom Meeting 920 7884 9914, Password 027345

Abstract: Magnetic confinement is a promising path to achieving self-sustained nuclear fusion. One of the famous magnetic confinement concepts is called a Tokamak --- a giant doughnut-like vessel holding plasma with temperatures up to 150 million K. Unfortunately, the large currents and pressure gradients required to create and sustain a Tokamak equilibrium can lead to various instabilities. These instabilities can damage the device and degrade its performance. In this presentation, we are going to investigate one such instability called the ballooning mode using the framework of Ideal-MHD (Magnetohydrodynamics). Specifically, I will explain the analytical tools that we have used to test the ballooning stability of various equilibria. I will present and discuss the results from some of these stability calculations.

For additional information about the IREAP Graduate Student Seminars, contact Artur Perevalov.

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