Thermal Emission and Reflectivity of Shocked SiO<sub>2</sub> Aerogel
ORAL
Abstract
The thermodynamic behavior of shock-compressed SiO2 was studied over a broad density and temperature range using low-density foams. Temperature and reflectance measurements were performed on single-shocked SiO2 at initial densities of 2.65 (a‑quartz), 2.2 (fused silica), 0.3 (silica aerogel), 0.2, and 0.11 g/cm3. Thermodynamic derivatives are calculated across P–T phase space using the SiO2 Hugoniot measurements combined with other experimental data sets. This work extends the capability of SiO2 as a thermodynamic calibrant for high-energy-density physics experiments.
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Publication: B. J. Henderson et al., in prep.
Presenters
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Brian Henderson
University of Rochester, Laboratory for Laser Energetics, U. of Rochester
Authors
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Brian Henderson
University of Rochester, Laboratory for Laser Energetics, U. of Rochester
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Michelle C Marshall
University of Rochester
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Gilbert Collins
University of Rochester, Laboratory for Laser Energetics, University of Rochester, Laboratory for Laser Energetics, U. of Rochester
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J. Ryan R Rygg
University of Rochester, Laboratory for Laser Energetics, U. of Rochester
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Linda E Hansen
University of Rochester, University of Rochester, LLE, Laboratory for Laser Energetics, U. of Rochester