NDLI: Multi-mode Magneto-Rayleigh-Taylor instability growth experiments in pulsed power liners

Content Provider	IEEE Xplore Digital Library
Author	Peterson, K.J. Sinars, D.B. Vesey, R.A. Martin, M.R. Slutz, S.A.
Copyright Year	2013
Description	Author affiliation: Sandia Nat. Labs., Albuquerque, NM, USA (Peterson, K.J.; Sinars, D.B.; Vesey, R.A.; Martin, M.R.; Slutz, S.A.)
Abstract	Summary form only given. The presence of Magneto-Rayleigh-Taylor (MRT) instabilities limit the achievable controlled compression of fusion fuel in pulsed power inertial confinement fusion concepts such as MagLIF [1]. It is therefore essential to not only mitigate the growth of MRT instabilities to the extent possible, but also validate simulation tools used to evaluate and assess MRT instability growth in these types of targets. Previously, we have shown single mode MRT experiments in solid Al liners that have proven extremely fruitful in benchmarking instability growth in several simulation codes [2]. It is also important to test our understanding and validate simulation predictions of multimode MRT growth. Computational studies of multimode perturbations have been done in the past with wire array z-pinch implosions [3]. However, heretofore no experiment has been performed to quantitatively study either linear or nonlinear multimode MRT instability growth in a controlled manner. In this paper, we discuss new simulations and experiments designed specifically to investigate multimode MRT instability growth. These experiments utilize x-ray radiography to measure the growth of two superimposed sinusoidal perturbations (400 gm and 550 gm in wavelength with peak to valley amplitudes of 20 gm) imposed on solid Al liners 292 gm thick with an initial outer radii of 3.16 mm. These experiments are also designed to evaluate MRT growth in the quasi-linear and nonlinear regimes. As such, we will also discuss effects such as the generation of higher order mode harmonics, mode saturation, and mode coupling.
Starting Page	1
Ending Page	1
File Size	101341
Page Count	1
File Format	PDF
ISBN	9781467351713
ISSN	07309244
DOI	10.1109/PLASMA.2013.6633219
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Laboratories Computational modeling Magnetic confinement Saturation magnetization Fuels Benchmark testing
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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MULTI-MODE MAGNETO-RAYLEIGH-TAYLOR INSTABILITY GROWTH EXPERIMENTS IN PULSED POWER LINERS.

Dramatic reduction of Magneto-Rayleigh Taylor instability growth in magnetically driven Z-pinch liners

Measurements of magneto-Rayleigh-Taylor instability growth in solid liners on the 20 MA sandia Z facility

Computational modeling of pulsed-power-driven magnetized target fusion experiments

Computational modeling of pulsed-power-driven magnetized target fusion experiments

Pulsed power driven Magneto-Rayleigh-Taylor experiments.

Seeded Magneto-Rayleigh-Taylor instability experiments on A 1-MA LTD

Growth of rayleigh–taylor instability at interface between a target and a flyer.

Seeded Magneto Rayleigh-Taylor instability driven by a 1-MA Linear Transformer Driver

Multi-mode Magneto-Rayleigh-Taylor instability growth experiments in pulsed power liners

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MULTI-MODE MAGNETO-RAYLEIGH-TAYLOR INSTABILITY GROWTH EXPERIMENTS IN PULSED POWER LINERS.

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