Behind the iconic “pop!” accompanying the uncorking of a champagne bottle hides a gas flow of surprising complexity. Its modeling is made delicate by its supersonic nature, its interaction with the cork stopper, the eminently unsteady character of the flow escaping from the bottle, and the continuous change of the geometry of the computational flow domain due to the displacement of the cork. Computational fluid dynamics (CFD) simulations revealed the formation, evolution, and dissipation of shock wave patterns during the first millisecond following champagne cork popping. A first crown-shaped shock wave pattern develops radially, which is then followed by the formation of a detached shock wave, or bow shock, induced by the presence of the cork in the axial path of the supersonic gas flow. Moreover, the good agreement between the position of the bow shock previously observed through high-speed imaging and that determined through CFD simulations argues in favor of the numerical method used to describe the ejection of the gas mixture expelled from the bottleneck immediately after the cork popping process.
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June 2022
Research Article|
June 24 2022
Computational fluid dynamic simulation of the supersonic CO2 flow during champagne cork popping
Special Collection:
Kitchen Flows
Abdessamad Benidar
;
Abdessamad Benidar
1
Université de Rennes, CNRS, IPR (Institut de Physique de Rennes)—UMR 6251
, F-35000 Rennes, France
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Robert Georges
;
Robert Georges
a)
1
Université de Rennes, CNRS, IPR (Institut de Physique de Rennes)—UMR 6251
, F-35000 Rennes, France
a)Authors to whom correspondence should be addressed: robert.georges@univ-rennes1.fr and gerard.liger-belair@univ-reims.fr
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Vinayak Kulkarni
;
Vinayak Kulkarni
2
Department of Mechanical Engineering, Indian Institute of Technology Guwahati
, Guwahati, India
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Daniel Cordier
;
Daniel Cordier
3
Equipe Effervescence, Champagne et Applications (GSMA—UMR CNRS 7331), Université de Reims Champagne-Ardenne, UFR Sciences Exactes et Naturelles
, BP 1039, 51687 Reims Cedex 2, France
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Gérard Liger-Belair
Gérard Liger-Belair
a)
3
Equipe Effervescence, Champagne et Applications (GSMA—UMR CNRS 7331), Université de Reims Champagne-Ardenne, UFR Sciences Exactes et Naturelles
, BP 1039, 51687 Reims Cedex 2, France
a)Authors to whom correspondence should be addressed: robert.georges@univ-rennes1.fr and gerard.liger-belair@univ-reims.fr
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a)Authors to whom correspondence should be addressed: robert.georges@univ-rennes1.fr and gerard.liger-belair@univ-reims.fr
Note: This paper is part of the special topic, Kitchen Flows.
Physics of Fluids 34, 066119 (2022)
Article history
Received:
February 28 2022
Accepted:
May 16 2022
Citation
Abdessamad Benidar, Robert Georges, Vinayak Kulkarni, Daniel Cordier, Gérard Liger-Belair; Computational fluid dynamic simulation of the supersonic CO2 flow during champagne cork popping. Physics of Fluids 1 June 2022; 34 (6): 066119. https://doi.org/10.1063/5.0089774
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