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Proceedings Paper

Calculations of dynamic stresses in the envelopes of pulsed Xe flashlamps
Author(s): Fred R. Holdener; Ethan A. Platt; Alvin C. Erlandson; Donald N. Frank; Robert J. Gelinas; Kenneth S. Jancaitis; Doug W. Larson; Kurt H. Sinz
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Paper Abstract

We have modeled dynamic stresses in the envelopes of pulsed xenon flashlamps, treating stresses produced by three different sources: the heating of the envelope by the plasma; the pressure rise of the xenon gas; and magnetic forces, due to currents flowing in nearby lamps. The heat-induced stresses were calculated by the finite element method, using uniform heating rates for the inside surface of the envelope that were inferred from flashlamp radiant efficiency measurements. Pressure-induced stresses were calculated analytically, using empirical relationships for temperature and pressure in terms of current density. Magnetically-induced stresses were also calculated analytically, for flashlamps packed parallel to each other in linear arrays.

Paper Details

Date Published: 25 February 1993
PDF: 15 pages
Proc. SPIE 1739, High Heat Flux Engineering, (25 February 1993); doi: 10.1117/12.140543
Show Author Affiliations
Fred R. Holdener, Lawrence Livermore National Lab. (United States)
Ethan A. Platt, Lawrence Livermore National Lab. (United States)
Alvin C. Erlandson, Lawrence Livermore National Lab. (United States)
Donald N. Frank, Lawrence Livermore National Lab. (United States)
Robert J. Gelinas, Lawrence Livermore National Lab. (United States)
Kenneth S. Jancaitis, Lawrence Livermore National Lab. (United States)
Doug W. Larson, Lawrence Livermore National Lab. (United States)
Kurt H. Sinz, Lawrence Livermore National Lab. (United States)


Published in SPIE Proceedings Vol. 1739:
High Heat Flux Engineering
Ali M. Khounsary, Editor(s)

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