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Item Information   Holdings       More by this author     Howard, Michael     Subjects     Electromagnetic pulse     Pulse generators     MSE Project.     Browse Catalog     by author:      Howard, Michael       by title:      Analysis of an elect...         MARC Display

Analysis of an electromagnetic pulse device / Michael Howard. by Howard, Michael Subjects Electromagnetic pulse   Pulse generators   MSE Project. Description:  81 leaves : ill. ; 29 cm. Contents:  Thesis advisor: Dr. Richard Mett Committee members: Dr. Robert Strangeway, Dr. Glenn Wrate Electromagnetic pulse devices -- Patent analysis -- Experiment -- Conclusions -- Appendices: 1. Equipment and material list - 2. LabView source code - 3. Experimental data. This report provides a literature review of existing electromagnetic pulse generating devices and the methods by which these pulses are produced. More focused research is performed into the theory behind magnetic flux compression generators with the goal of providing a basis of knowledge with which to analyze a patented electromagnetic pulse generator design. The design of a proposed electromagnetic pulse generator is analyzed. Design elements of this generator include an energized solenoid producing a magnetic field to be compressed and a series of folded parallel plate capacitor banks which discharge the solenoid rapidly via a travelling spark. Analysis and experiment indicate that the design transfers an electromagnetic pulse to a low-impedance load, but magnetic field compression does not occur. The design differs fundamentally from flux compression generators in that it achieves a pulse through energy conservation, not flux conservation. As a result, the current increases as a factor of N loops in the coil, whereas with flux compression the current increases by a factor of N2. Experimental results indicate the device functions as the magnetic analog of a Marx generator. An experiment and results are presented which simulate the travelling spark concept using semiconductor switches in a low current, low voltage, reusable, small desktop model. Electromagnetic pulse characteristics include 50-60 ns risetimes, 4 microns decay time constant, and current multiplication of a factor of five, into a 10 omega non-inductive load.   Copy/Holding information Location Collection Call No. Status   Walter Schroeder Library Master's Theses AC805 .H69 2007 Available Add Copy to MyList Format: HTMLPlain textDelimited Subject:   Email to:

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