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Non isobaric boundary layers related to Marangoni flows

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Sommario

Si considerano Strati Limiti che possono formarsi, lungo l'interfaccia di due fluidi immiscibili, in flussi indotti da gradienti di tensione superficiale, noti come strati limiti alla Marangoni. Soluzioni simili vengono derivate per il caso in cui sia presente un gradiente di pressione esterno, nell'ipotesi che i campi di moto nei due fluidi interfaccianti siano disaccoppiati. Le equazioni sono integrate numericamente con un algoritmo basato su una tecnica di Quasi-Linearizzazione.

Summary

The paper deals with the dissipative layers, called Marangoni boundary layers, that can be formed, along the interface of two immiscible fluids, in surface driven flows. Under the hypothesis that the flow fields of the two interfacing fluids are uncoupled, similar solutions are studied for the case in which an external pressure gradient is present. The similarity class is derived and the pertinent equations are solved numerically by mean of an algorithm based on a Quasi-Linearization Technique.

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Authors and Affiliations

  1. Istituto di Aerodinamica ≪Umberto Nobile≫, Università di Napoli, Italy

    Carmine Golia & Antonio Viviani

Authors
  1. Carmine Golia
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  2. Antonio Viviani
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Golia, C., Viviani, A. Non isobaric boundary layers related to Marangoni flows. Meccanica 21, 200–204 (1986). https://doi.org/10.1007/BF01556486

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  • DOI: https://doi.org/10.1007/BF01556486

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