Thermal transport measurements in 1.05 μm laser irradiation of spherical targets

B. Yaakobi; J. Delettrez; L. M. Goldman; R. L. McCrory; R. Marjoribanks; M. C. Richardson; D. Shvarts; S. Skupsky; J. M. Soures; C. Verdon; D. M. Villeneuve; T. Boehly; R. Hutchinson; S. Letzring

doi:10.1063/1.864616

Thermal transport measurements in 1.05 μm laser irradiation of spherical targets

B. Yaakobi, J. Delettrez, L. M. Goldman, R. L. McCrory, R. Marjoribanks, M. C. Richardson, D. Shvarts, S. Skupsky, J. M. Soures, C. Verdon, D. M. Villeneuve, T. Boehly, R. Hutchinson, S. Letzring

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Abstract

Transport and implosion experiments have been conducted on the OMEGA 24-beam, uniform-irradiation facility. Thermal transport in spherical irradiation was found to be different than in comparable, single-beam target irradiation and could not be described in terms of a flux-inhibited model. Deep energy deposition in spherical irradiation (by electrons on the tail of the thermal velocity distribution) was found to lead to a temperature profile which is not as steep as predicted by a flux-inhibited model. This apparently leads to more explosive implosion (i.e., higher core temperature) than predicted by using such a model.

Original language	English
Pages (from-to)	516-526
Number of pages	11
Journal	Physics of Fluids
Volume	27
Issue number	2
DOIs	https://doi.org/10.1063/1.864616
State	Published - 1 Jan 1984
Externally published	Yes

ASJC Scopus subject areas

Computational Mechanics
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Fluid Flow and Transfer Processes

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Yaakobi, B., Delettrez, J., Goldman, L. M., McCrory, R. L., Marjoribanks, R., Richardson, M. C., Shvarts, D., Skupsky, S., Soures, J. M., Verdon, C., Villeneuve, D. M., Boehly, T., Hutchinson, R., & Letzring, S. (1984). Thermal transport measurements in 1.05 μm laser irradiation of spherical targets. Physics of Fluids, 27(2), 516-526. https://doi.org/10.1063/1.864616

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abstract = "Transport and implosion experiments have been conducted on the OMEGA 24-beam, uniform-irradiation facility. Thermal transport in spherical irradiation was found to be different than in comparable, single-beam target irradiation and could not be described in terms of a flux-inhibited model. Deep energy deposition in spherical irradiation (by electrons on the tail of the thermal velocity distribution) was found to lead to a temperature profile which is not as steep as predicted by a flux-inhibited model. This apparently leads to more explosive implosion (i.e., higher core temperature) than predicted by using such a model.",

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AU - Yaakobi, B.

AU - Delettrez, J.

AU - Goldman, L. M.

AU - McCrory, R. L.

AU - Marjoribanks, R.

AU - Richardson, M. C.

AU - Shvarts, D.

AU - Skupsky, S.

AU - Soures, J. M.

AU - Verdon, C.

AU - Villeneuve, D. M.

AU - Boehly, T.

AU - Hutchinson, R.

AU - Letzring, S.

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N2 - Transport and implosion experiments have been conducted on the OMEGA 24-beam, uniform-irradiation facility. Thermal transport in spherical irradiation was found to be different than in comparable, single-beam target irradiation and could not be described in terms of a flux-inhibited model. Deep energy deposition in spherical irradiation (by electrons on the tail of the thermal velocity distribution) was found to lead to a temperature profile which is not as steep as predicted by a flux-inhibited model. This apparently leads to more explosive implosion (i.e., higher core temperature) than predicted by using such a model.

AB - Transport and implosion experiments have been conducted on the OMEGA 24-beam, uniform-irradiation facility. Thermal transport in spherical irradiation was found to be different than in comparable, single-beam target irradiation and could not be described in terms of a flux-inhibited model. Deep energy deposition in spherical irradiation (by electrons on the tail of the thermal velocity distribution) was found to lead to a temperature profile which is not as steep as predicted by a flux-inhibited model. This apparently leads to more explosive implosion (i.e., higher core temperature) than predicted by using such a model.

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Thermal transport measurements in 1.05 μm laser irradiation of spherical targets

Abstract

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