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Title: “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:
 [1];  [2];  [2];  [3]
  1. Space Research Inst., Moscow (Russian Federation)
  2. Univ. of Texas, Austin, TX (United States)
  3. 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. doi: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. doi: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 = {2016},
month = {9}
}

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Cited by: 6 works
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