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Filtering by: Advisor Griffiths, David Remove constraint Advisor: Griffiths, David Academic Affiliation Physics Remove constraint Academic Affiliation: Physics Decade 1990-1999 Remove constraint Decade: 1990-1999

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  • Hypervelocity spectroscopy from impacts in polymeric materials

    Creator:
    Buettner, Douglas J.
    Abstract:
    Stacked sheets of polyethylene terephthalate andpolystyrene provide a means for recovering projectiles travelling at hypervelocities. The transparency of these multiple diaphragms is utilized so that light generated from hypervelocity impacts can be studied. A method for gathering visible as well as ultraviolet light from less transparent polymer foams has been...
    Resource Type:
    Masters Thesis
    Full Text:
    Institute of Technology, (Pasadena: 1991), 1-2. 2. David J. Griffiths. Comet Coma Sample Return

  • The effect of void distribution on the Hugoniot state of porous media

    Creator:
    Creel, Emory Myron Willett
    Abstract:
    Shocked porous granular material experiences pressure dependent compaction. D. John Pastine introduced a model in which the degree of compaction is dependent on the pressure induced by the shock wave, the shear strength of the material, and the distribution of void sizes. In the past, the model could only be...
    Resource Type:
    Masters Thesis
    Full Text:
    number of voids in the material. This approximation was most recently used by David Griffiths and Doug