Accession Number : AD0434709


Title :   RESISTANCE VARIATION OF EXPLODING WIRES


Corporate Author : GENERAL ELECTRIC CO PHILADELPHIA PA MISSILE AND SPACE DIV


Personal Author(s) : Good, Jr , Robert C


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/434709.pdf


Report Date : Mar 1964


Pagination or Media Count : 27


Abstract : When fine wires are exploded by discharging a capacitor, the circuit exhibits damped electrical oscillations as an L-R-C circuit; however, the resistance varies during the explosion which complicates the analysis. To date the resistance has been calculated either by integrating twice in succession the record of the rate of change of the current, or by the current-voltage method. A different approach is proposed in which the curcuit equation is differentiated with respect to time and then solved by a method similar to the WKB method. The method will be discussed, original data provided, and values of calculated resistance obtained by the double integration method will be used to indicate the validity of the solution.


Descriptors :   *CIRCUITS , *EXPLODING WIRES , CAPACITANCE , CAPACITORS , CURVE FITTING , DAMPING , ELECTRIC CURRENT , ELECTRICAL PROPERTIES , ELECTRICAL RESISTANCE , EQUATIONS , EXPLOSIONS , INDUCTANCE , INTEGRATION , MEASUREMENT , OSCILLATION , RATES , RESISTANCE , SERIES(MATHEMATICS) , SHOCK WAVES , SOLUTIONS(GENERAL) , TIME , VALIDATION , VALUE , VARIATIONS , VOLTAGE , WIRE


Subject Categories : Ammunition and Explosives


Distribution Statement : APPROVED FOR PUBLIC RELEASE