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Production of nitric oxide by a fragmenting bolide: An exploratory numerical study by Mihai L. Niculescu; Elizabeth A. Silber; Reynold E. Silber is a Mathematics article available to read on EtoBox.

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A meteoroid's hypersonic passage through the Earth's atmosphere results in ablational and fragmentational mass loss. Potential shock waves associated with a parent object as well as its fragments can modify the surrounding atmosphere and produce a range of physico‐chemical effects. Some of the thermally driven chemical and physical processes induced by meteoroid‐fragment‐generated shock waves, such as nitric oxide (NO) production, are less understood. Any estimates of meteoric NO production depend not only on a quantifiable meteoroid population and a rate of fragmentation, with a size capable of producing high temperature flows, but also on understanding the physical properties of the meteor flows along with their thermal history. We performed an exploratory pilot numerical study using ANSYS Fluent, the computational fluid dynamics (CFD) code, to investigate the production of NO in the upper atmosphere by small meteoroids (or fragments of meteoroids after they undergo a disruption episode) in the size range from 10^−2^ to 1 m. Our model uses the simulation of a spherical body in the continuum flow at 70‐ and 80‐km altitude to approximate the behaviour of a small meteoroid capable o

Who reads Production of nitric oxide by a fragmenting bolide: An exploratory numerical study?

Author

Mihai L. Niculescu; Elizabeth A. Silber; Reynold E. Silber

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0170-4214)

Published

2020

Language

EN

Field

Mathematics (Physical Sciences)