Calculations of dynamic stresses in the envelopes of pulsed Xe flashlamps

Fred R. Holdener; Ethan A. Platt; Alvin C. Erlandson; Donald N. Frank; Robert J. Gelinas; Kenneth S. Jancaitis; Doug W. Larson; Kurt H. Sinz

doi:10.1117/12.140543

25 February 1993 Calculations of dynamic stresses in the envelopes of pulsed Xe flashlamps

Fred R. Holdener, Ethan A. Platt, Alvin C. Erlandson, Donald N. Frank, Robert J. Gelinas, Kenneth S. Jancaitis, Doug W. Larson, Kurt H. Sinz

Author Affiliations +

Proceedings Volume 1739, High Heat Flux Engineering; (1993) https://doi.org/10.1117/12.140543
Event: San Diego '92, 1992, San Diego, CA, United States

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.

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Fred R. Holdener, Ethan A. Platt, Alvin C. Erlandson, Donald N. Frank, Robert J. Gelinas, Kenneth S. Jancaitis, Doug W. Larson, and Kurt H. Sinz "Calculations of dynamic stresses in the envelopes of pulsed Xe flashlamps", Proc. SPIE 1739, High Heat Flux Engineering, (25 February 1993); https://doi.org/10.1117/12.140543

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