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Thermo-gravitational and vibrational convection in a near-critical gas in microgravity

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Abstract

The flow and heat transfer in a medium near the critical point (second-kind liquid-gas phase transition) in a stationary and oscillating mass force field is considered in relation to the experiments conducted in microgravity. The conditions of onset of a mean convective flow and the characteristic nondimensional parameters describing the vibrational and thermo-gravitational convection in the medium are analyzed. It is shown that even low-frequency and small-amplitude vibrations or steady microaccelerations can induce appreciable convective flows.

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Authors
  1. V. I. Polezhaev
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  2. E. B. Soboleva
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Additional information

Moscow. Translated from Izvestiya Rossiiskoi Akademii Nauk, Mekhanika Zhidkosti i Gaza, No. 3, pp. 70–80, May–June, 2000.

This study received financial support from the Russian Foundation for Basic Research (project 97-01-00124).

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Polezhaev, V.I., Soboleva, E.B. Thermo-gravitational and vibrational convection in a near-critical gas in microgravity. Fluid Dyn 35, 371–379 (2000). https://doi.org/10.1007/BF02697750

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  • DOI: https://doi.org/10.1007/BF02697750

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