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One-dimensional isentropic compression

Lyzenga, Gregory A. and Ahrens, Thomas J. (1982) One-dimensional isentropic compression. In: Shock waves in condensed matter--1981. AIP Conference Proceedings. No.78. American Institute of Physics , New York, NY, pp. 231-235. ISBN 0-88318-177-0.

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The generation of nearly isentropic pressure‐density states in a molecular fluid sample, e.g. H_2O is examined by a series of one‐dimensional finite difference calculations. We employ a series of buffer materials of increasing shock impedance (Lexan, Al, Fe, W) behind the sample and impact it with a composite flyer plate of the same series of materials. In the case of H_2O impacted at 2.5 km/sec, three‐fold nearly isentropic compression to a pressure of 70 GPa is achieved in 10 μsec with a 3 cm thick composite impactor.

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Additional Information:© 1982 American Institute of Physics. Published online 01 April 1982. Contribution No. 3653, Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, California. This research was supported under NASA grant NAGW 205.
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Caltech Division of Geological and Planetary Sciences 3653
Series Name:AIP Conference Proceedings
Issue or Number:78
Record Number:CaltechAUTHORS:20141031-094118553
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Official Citation:One‐dimensional isentropic compression Gregory A. Lyzenga and Thomas J. Ahrens AIP Conf. Proc. 78, 231 (1982);
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:51113
Deposited By: Ruth Sustaita
Deposited On:31 Oct 2014 19:02
Last Modified:10 Nov 2021 19:05

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