Phys. Rev. Lett. 87, 144301 (2001) [4 pages]Thermal Plumes and Convection in Highly Compressible Fluids |
Yuhei Chiwata and Akira Onuki
Department of Physics, Kyoto University, Kyoto 606-8502, Japan
Received 5 March 2001; published 11 September 2001
We present simple hydrodynamic equations of supercritical fluids close to the gas-liquid critical point. We numerically solve them to examine plume generation and convection under gravity. These results are in good agreement with the experiment [A. B. Kogan and H. Meyer, Phys. Rev. E 63, 056310 (2001)]. This Letter is a first study of transient behavior of convection, which is unique in compressible fluids due to the piston effect.
©2001 The American Physical Society
URL: http://link.aps.org/abstract/PRL/v87/e144301
DOI: 10.1103/PhysRevLett.87.144301
PACS: 44.25.+f, 47.27.Te, 64.70.Fx
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