Chaotic Convection in a Simple System Modified by Differential Heating

Yasumasa Ookouchi, Tohru Hada

    Research output: Contribution to journalArticlepeer-review

    3 Citations (Scopus)


    In this report, a modified Lorenz system is introduced for describing convective motion heated from below with a sinusoidal differential heating. The system includes two additional terms which intensifies the vorticity and stabilizes the temperature field. These two terms bring a new complex behavior. For a large horizontal temperature difference, the onset of chaotic convection is suppressed by the temperature difference and the marginal Rayleigh number is proportional to h2, where h is the horizontal difference in Rayleigh numbers. However, chaotic convection appears in a broad range of Rayleigh numbers.

    Original languageEnglish
    Pages (from-to)369-378
    Number of pages10
    Journaljournal of the physical society of japan
    Issue number2
    Publication statusPublished - Feb 1997

    All Science Journal Classification (ASJC) codes

    • Physics and Astronomy(all)


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