NDLI: Computational simulation of explosively generated pulsed power devices

Content Provider	IEEE Xplore Digital Library
Author	Drumm, M.C. Greendyke, R.B. Stults, A.H.
Copyright Year	2013
Description	Author affiliation: US Army AMRDEC, Redstone Arsenal, AL, USA (Stults, A.H.) \|\| Air Force Inst. of Technol., Wright-Patterson AFB, OH, USA (Drumm, M.C.; Greendyke, R.B.)
Abstract	Summary form only given. Technology and size constraints have limited the development of the end game mechanisms of today's modern military weapons. A smaller, more efficient means of powering these devices is needed, and explosive pulsed power devices could be that answer. Potential advancement opportunities exist with the growing field of research that surrounds explosive pulsed power devices. While most of the research to date has been in the experimental field, if these devices are going to be a viable option for use in future weapon development, there is a genuine need for more theory-based research and an accurate computer modeling capability. One of the programs that has done much experimental work with ferroelectric generators (FEG) is the US Army at Redstone Arsenal in Huntsville, Alabama. The objective of this research was to use the Redstone experimental data collected from an FEG of their own design in combination with the ALEGRA-EMMA code, a hydrodynamic code developed by Sandia National Laboratories, to develop a computer model that can accurately represent an FEG and that can be verified against existing experimental data and eventually used to predict future experiments. Three experimental scenarios were used from the existing collected data: an FEG wired into an open circuit, an FEG wired into an 8-blasting cap circuit, and an FEG wired into a 64-blasting cap circuit. The three areas of this research that had to be explored simultaneously were developing an accurate model for the ferroelectric material, developing an accurate model to represent the external circuit load, and recreating the Redstone FEG design in the ALEGRA computer environment. Once these three aspects were covered and the overall model was developed, the individual cases for each scenario were run in the simulation model. The simulation results were compared to the respective experimental data, both current and voltage, and the model was evaluated. While the ALEGRA code is not capable of simulating the breakdown phenomenon seen in the open circuit cases, the model can accurately reproduce the peak values for the current but has problems reproducing the peak values for the voltage for both the 8-blasting cap and 64-blasting cap scenarios. The model also fairly accurately reproduces the general shape of the current and voltage data in both scenarios as well, though the time scale of the simulation reaction is slightly shortened from the time scale seen in the experimental data. Overall, the developed model provides a good baseline simulation capability that can be used as a springboard for future development with further research.
Starting Page	1
Ending Page	1
File Size	104008
Page Count	1
File Format	PDF
ISBN	9781467351713
ISSN	07309244
DOI	10.1109/PLASMA.2013.6633319
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	Computational modeling Integrated circuit modeling Load modeling Data models Computers Weapons Explosives
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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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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