Optical modeling of a radioisotope atmospheric chamber

Lance Hubbard; Andrew Ritzmann; Jon Wahl; John E. Shilling; Chuck Soderquist; David Abrecht; Nathaniel Smith

doi:10.1557/s43579-023-00337-2

Optical modeling of a radioisotope atmospheric chamber

Lance Hubbard, Andrew Ritzmann, Jon Wahl, John E. Shilling, Chuck Soderquist, David Abrecht, Nathaniel Smith

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Volatile radioisotopes represent a substantial health risk when released into the environment. To better understand the environmental fate of radioisotopes, the authors constructed a cylindrical steel-walled chamber to simulate the atmospheric processing of volatile radioactive gases. Optical modeling was performed for the properties of simulated sunlight in the chamber to better characterize atmospheric reaction studies. Optical simulations were performed using two wall materials (steel and thin-film silica) and validated against experimental measurements. This optical analysis methodology can be used to improve the fidelity of atmospheric models by accounting for optical inhomogeneities enabling a firmer grasp of radioisotopes’ environmental fate. Graphical abstract: [Figure not available: see fulltext.]

Original language	English
Pages (from-to)	256-262
Number of pages	7
Journal	MRS Communications
Volume	13
Issue number	2
DOIs	https://doi.org/10.1557/s43579-023-00337-2
State	Published - Apr 2023
Externally published	Yes

Funding

This research was supported by the Chemical Dynamics Initiative (CDI) at Pacific Northwest National Laboratory (PNNL). PNNL draws on signature capabilities in chemistry, earth sciences, and data analytics to advance scientific discovery and create solutions to the nation’s toughest challenges in energy resiliency and national security. PNNL is operated by Battelle for the U.S. Department of Energy (DOE) under Contract No. DE-AC05-76RL0-1830.

Keywords

Absorption
Environment
Environmentally protective
Oxide
Photoreflectance
Predictive

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10.1557/s43579-023-00337-2

Cite this

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AU - Smith, Nathaniel

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AB - Volatile radioisotopes represent a substantial health risk when released into the environment. To better understand the environmental fate of radioisotopes, the authors constructed a cylindrical steel-walled chamber to simulate the atmospheric processing of volatile radioactive gases. Optical modeling was performed for the properties of simulated sunlight in the chamber to better characterize atmospheric reaction studies. Optical simulations were performed using two wall materials (steel and thin-film silica) and validated against experimental measurements. This optical analysis methodology can be used to improve the fidelity of atmospheric models by accounting for optical inhomogeneities enabling a firmer grasp of radioisotopes’ environmental fate. Graphical abstract: [Figure not available: see fulltext.]

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Optical modeling of a radioisotope atmospheric chamber

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