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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2016, Volume 103, Issue 10, Pages 732–736
DOI: https://doi.org/10.7868/S0370274X16100088 (Mi jetpl4946) 		 
This article is cited in 40 scientific papers (total in 40 papers)

CONDENSED MATTER

The decay of counterflow turbulence in superfluid $^4$He

J. Gaoab, W. Guoab, V. S. L'vovc, A. Pomyalovc, L. Skrbekd, E. Vargad, W. F. Vinene

a National High Magnetic Field Laboratory, 32310 Florida, USA
b Mechanical Engineering Department, Florida State University, 32310 Florida, USA
c Department of Chemical Physics, Weizmann Institute of Science, 76100 Rehovot, Israel
d Faculty of Mathematics and Physics, Charles University, 121 16 Prague, Czech Republic
e School of Physics & Astronomy, University of Birmingham, B15 2TT Birmingham, UK
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DOI: https://doi.org/10.7868/S0370274X16100088
Abstract: The letter summarizes recent experiments on thermal counterflow turbulence in superfluid $^4$He, emphasizing the observation of turbulence in the normal fluid and its effect on the decay process when the heat flux is turned off. We argue that what is observed as turbulence in the normal fluid is a novel form of coupled turbulence in the superfluid and normal components, with injection of energy on the scales of both the (large) channel width and the (small) spacing between quantized vortices. Although an understanding of this coupled turbulence remains challenging, a theory of its decay is developed which accounts for the experimental observations.
Funding agency Grant number
Czech Science Foundation 203/14/02005S
U.S. Department of Energy DE-FG02 96ER40952
National Science Foundation DMR-1507386
European Union's Seventh Framework Programme
European High-performance Infrastructures in Turbulence 312778
LS and EV acknowledge the support of the Czech Science Foundation under GACR 203/14/02005S. JG and WG acknowledge the support from the US Department of Energy under Grant DE-FG02 96ER40952 and the National Science Foundation under Grant # DMR-1507386. VL and AP acknowledge kind hospitality of Charles University in Prague that made their contribution to this project possible. This work was partially supported by the European Community Framework Programme 7, EuHIT – European High-performance Infrastructures in Turbulence, Grant Agreement # 312778.
Received: 28.04.2016
English version:
Journal of Experimental and Theoretical Physics Letters, 2016, Volume 103, Issue 10, Pages 648–652
DOI: https://doi.org/10.1134/S0021364016100064
Bibliographic databases:
Document Type: Article
Language: English
Citation: J. Gao, W. Guo, V. S. L'vov, A. Pomyalov, L. Skrbek, E. Varga, W. F. Vinen, “The decay of counterflow turbulence in superfluid $^4$He”, Pis'ma v Zh. Èksper. Teoret. Fiz., 103:10 (2016), 732–736; JETP Letters, 103:10 (2016), 648–652
Citation in format AMSBIB
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\paper The decay of counterflow turbulence in superfluid $^4$He
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\vol 103
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    • This publication is cited in the following 40 articles:
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