By William G. Chace (auth.), William G. Chace, Howard K. Moore (eds.)
This quantity includes the lawsuits of the second one convention at the Exploding twine Phenomenon. as well as the overall conception of exploding wires, this convention thought of exploding twine surprise waves; the iteration by means of exploding wires of utmost tem peratures, X-rays, and intensely excessive pressures; instrumentationprob lems in twine explosions; and, for the 1st time, exploding foils. backed by way of the Geophysics study Directorate ofthe Air strength Cambridge learn Laboratories, this symposium used to be held in Boston, Massachusetts, on November thirteen and 14, 1961. To fill a distinct want for prepared entry to info, quantity of Exploding Wires features a complete index which may still facilitate using either volumes at the exploding cord phenomenon. it isn't attainable to precise complete appreciation to all these whose beneficiant guidance made the second one convention and this quantity attainable. it's definite, even if, that with no the cooperation of Dr. John N. Howard, Laboratory leader, and Mr. Morton A. Levine, department leader, there might have been no convention. precise ac knowledgment is going to the workers of the Hydromagnetics Laboratory for its valuable relief: to Mrs. William Watson for unparalleled secretarial paintings; to Mr. E. H. Cullington for technical guidance; to Mr. C. V. Fish for drawings, graphs, and artwork; and to Mr. ok. R. Saari for images. specific gratitude is because of Mr.
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Extra info for Exploding Wires: Volume 2 Proceedings of the Second Conference on the Exploding Wire Phenomenon, Held at Boston, November 13–15, 1961, under the Sponsorship of the Geophysics Research Directorate, Air Force Cambridge Research Laboratories, Office of Aeros
Webb et al. 47 apparent resistivity, p, is obtained from p = aRw/l, where I is the initial wire length and a is the initial wire area. For the energy densities necessary to initiate and complete melting and vaporization, we have used the enthalpy per unit mass at 1 atm pressure given by Stull and Sinke . The specific and latent heats appropriate to the actual conditions occurring in the exploding wire are no doubt somewhat different. In the absence of equation of state data, a more realistic approach is difficult to use.
RESULTS The fast explosion of silver, gold, copper, aluminum, tin, cadmium, zinc, molybdenum, titanium, platinum, nickel, iron, and tungsten wires and heavily doped p -type single crystals of silicon wires have been investigated. 580 in. 10 14 w Imol. In environmental studies, wires mounted in air, vacuum, and oil, as well as encapsulated in a hardened waxlike compound, were exploded. Voltage and Current Oscillograms The actual voltage and current waveforms reflect not only intrinsic changes in the resistance of the wire during an explosion but also the interaction of these changes with elements of the entire discharge circuit.
Represented by straight lines passing through the origin. This makes it easy to determine maximum power and resistance values directly from the loop trace. These were previously obtainable only after point by point calculations had been made. The sequence in which the numbered events occurred is also immediately apparent. 710, and ±210, respectively. However the reproducibility from wire to wire is believed to be better than these numbers indicate. 3 mm in length. Table I lists the electrical parameters of the wire-exploding circuit, the environment in which the explosion occurred, the times to the voltage maxima, and the approximate current densities achieved.
Exploding Wires: Volume 2 Proceedings of the Second Conference on the Exploding Wire Phenomenon, Held at Boston, November 13–15, 1961, under the Sponsorship of the Geophysics Research Directorate, Air Force Cambridge Research Laboratories, Office of Aeros by William G. Chace (auth.), William G. Chace, Howard K. Moore (eds.)