“Explosively growing” vortices of unstably stratified atmosphere: “EXPLOSIVELY GROWING” VORTICES
Abstract
A new type of “explosively growing” vortex structure is investigated theoretically in the framework of ideal fluid hydrodynamics. It is shown that vortex structures may arise in convectively unstable atmospheric layers containing background vorticity. From an exact analytical vortex solution the vertical vorticity structure and toroidal speed are derived and analyzed. The assumption that vorticity is constant with height leads to a solution that grows explosively when the flow is inviscid. The results shown are in agreement with observations and laboratory experiments
- Authors:
-
- Space Research Inst., Moscow (Russian Federation)
- Univ. of Texas, Austin, TX (United States)
- Univ. of Sheffield (United Kingdom)
- Publication Date:
- Research Org.:
- Univ. of Texas, Austin, TX (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1532987
- Grant/Contract Number:
- FG02-04ER54742
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Geophysical Research: Atmospheres
- Additional Journal Information:
- Journal Volume: 121; Journal Issue: 19; Journal ID: ISSN 2169-897X
- Publisher:
- American Geophysical Union
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 54 ENVIRONMENTAL SCIENCES; Meteorology & Atmospheric Sciences
Citation Formats
Onishchenko, O. G., Horton, W., Pokhotelov, O. A., and Fedun, V. “Explosively growing” vortices of unstably stratified atmosphere: “EXPLOSIVELY GROWING” VORTICES. United States: N. p., 2016.
Web. doi:10.1002/2016jd025961.
Onishchenko, O. G., Horton, W., Pokhotelov, O. A., & Fedun, V. “Explosively growing” vortices of unstably stratified atmosphere: “EXPLOSIVELY GROWING” VORTICES. United States. https://doi.org/10.1002/2016jd025961
Onishchenko, O. G., Horton, W., Pokhotelov, O. A., and Fedun, V. Fri .
"“Explosively growing” vortices of unstably stratified atmosphere: “EXPLOSIVELY GROWING” VORTICES". United States. https://doi.org/10.1002/2016jd025961. https://www.osti.gov/servlets/purl/1532987.
@article{osti_1532987,
title = {“Explosively growing” vortices of unstably stratified atmosphere: “EXPLOSIVELY GROWING” VORTICES},
author = {Onishchenko, O. G. and Horton, W. and Pokhotelov, O. A. and Fedun, V.},
abstractNote = {A new type of “explosively growing” vortex structure is investigated theoretically in the framework of ideal fluid hydrodynamics. It is shown that vortex structures may arise in convectively unstable atmospheric layers containing background vorticity. From an exact analytical vortex solution the vertical vorticity structure and toroidal speed are derived and analyzed. The assumption that vorticity is constant with height leads to a solution that grows explosively when the flow is inviscid. The results shown are in agreement with observations and laboratory experiments},
doi = {10.1002/2016jd025961},
journal = {Journal of Geophysical Research: Atmospheres},
number = 19,
volume = 121,
place = {United States},
year = {Fri Sep 23 00:00:00 EDT 2016},
month = {Fri Sep 23 00:00:00 EDT 2016}
}
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Works referencing / citing this record:
Tornado model for a magnetised plasma
journal, May 2018
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