NDLI: Predicting the threshold for onset of internal electric breakdown in helical flux compression generators using CAGEN and CALE

Content Provider	IEEE Xplore Digital Library
Author	Chase, J.B. Kiuttu, G.F. Peterson, G. Chato, D.M.
Copyright Year	2012
Description	Author affiliation: Care'n LLC, Tracy, CA, USA (Chase, J.B.; Kiuttu, G.F.; Peterson, G.; Chato, D.M.)
Abstract	The objective of this work is to provide predictability for the threshold of the onset of internal electrical breakdown for helical magnetic flux compression generators (HFCG) to enable higher performance and higher voltage designs and reduce the cost of relying on empirical design methods. The Care'n LLC has used the code CAGEN [1] in conjunction with CALE [2] to investigate the phenomenon of internal electrical breakdown in these devices. The CAGEN was modified to compute the peak electric field strength between the armature and the stator as well as between adjacent wires of the stator. Shock compressed gas within the HFCG plays an essential role so the 2-D hydro-code CALE was necessary in order to get a full prediction of the thresholds. An overview of the modeling and the comparison of experiment are presented. An issue is the role bifurcations play in the electric field breakdown. A new code BSBIF [3] models some of the effects. In order to confirm the modeling, a set of very special HFCGs were fabricated and then fired by Hyperspectral Sciences, Inc. The fabrication details [4], the experimental set-up, and the measurements [5] were entirely the work of HSI.
Starting Page	1
Ending Page	6
File Size	615596
Page Count	6
File Format	PDF
e-ISBN	9781467357203
DOI	10.1109/MEGAGAUSS.2012.6781419
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-14
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Shock waves Electric breakdown HFCG modeling Wires Windings Stator windings breakdown Cale FCG Electric fields Cagen
Content Type	Text
Resource Type	Article

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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Experiments with explosive flux compression Generators Confirming the CAGEN-CALE threshold predictions for internal electric breakdown

The precision fabrication of non-split-turn, bare wire, constant pitch high explosive flux compression generators for use in internal electric breakdown experiments

Biot-Savart for bifurcation, BSBIF

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Benchmarking the Care'n Co. Flux Compression Generator Code, CAGEN, Implementing the Kiuttu Contact Resistance Model

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Development of small, tapered stator helical magnetic flux compression generators

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Predicting the threshold for onset of internal electric breakdown in helical flux compression generators using CAGEN and CALE

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