1999
DOI: 10.1063/1.870178
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Flow state multiplicity in convection

Abstract: Pattern formation in a layer of fluid heated from below is an example of macroscopic ordering in continuous media. Here we show that in a relatively compact experimental version of the problem, a rich and diverse set of stable flows can be found. These flows, many of which are novel, can be categorized and understood in terms of their symmetry properties. This approach shows promise for providing insight into the more complicated fluid motion that occurs as the lateral dimension of the layer is increased.

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Cited by 44 publications
(44 citation statements)
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“…As these ranges were given by Wanschura et al only for Pr = 1, a future direction would be to determine the whole zone in the parameter space where the Hopf bifurcation occurs. It would be interesting also to examine more closely the pulsing pattern found by Hof et al (1999) at Ra = 33 000, Γ = 2, Pr = 6.7, in order to determine whether this state, evolving from axisymmetric flow, is the result of a bifurcation similar to that described in the present paper.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…As these ranges were given by Wanschura et al only for Pr = 1, a future direction would be to determine the whole zone in the parameter space where the Hopf bifurcation occurs. It would be interesting also to examine more closely the pulsing pattern found by Hof et al (1999) at Ra = 33 000, Γ = 2, Pr = 6.7, in order to determine whether this state, evolving from axisymmetric flow, is the result of a bifurcation similar to that described in the present paper.…”
Section: Resultsmentioning
confidence: 99%
“…An interesting experimental study was carried out by Hof, Lucas & Mullin (1999). Varying the Rayleigh number through different sequences of values, for fixed parameters Γ = 2.0 and Pr = 6.7, they obtained several different stable patterns for the same final Rayleigh number.…”
Section: Introductionmentioning
confidence: 99%
“…8. In the so-called Rayleigh-Bénard geometry, the multiplicity of states in circular and elliptical domains has been studied by Hof et al 9 and Meevasana and Ahlers, 10 respectively, and one may expect a similar richness in problems without midplane symmetry of which Marangoni convection is typical.…”
Section: Introductionmentioning
confidence: 89%
“…For onecomponent fluids, convective patterns including multi-roll patterns, targets and spirals had been obtained in moderate aspect ratio cells by Rüdiger and Feudel (2000), Leong (2002), Ma et al (2006) and Mercader et al (2010). Also, in a series of works motivated by the experimental results obtained by Hof et al (1999), Tuckerman (2010a, 2010b) carried out simulations in a small aspect ratio cell, and a wide variety of steady and time-dependent flows was obtained in the vicinity of the onset of convection. A recent work by Hébert et al (2010) includes some experimental observations on pattern formation near the onset in an intermediate aspect ratio cell and a comparison with some numerical simulations.…”
Section: Introductionmentioning
confidence: 99%