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Numerical and theoretical solutions of a turbulent boussinesq fountain generated from maintained sources

  • Heat and Mass Transfer and Physical Gasdynamics
  • Published:
High Temperature Aims and scope

Abstract

This paper provides theoretical and numerical investigation carried out on a vertical up-flow model risen to investigate the jet maximum height based on buoyancy frequency parameter σi and plume function Γi. We study the characteristic solution of the maximum height reached by the fountain through an asymptotic approach. Results show a discontinuity of affinity solution approximation at Γi≫1. The fluid became very negligible and ended with a fall back. The entrainment coefficient effect had no significant influence on the topological behavior profiles development of this jet with negative buoyancy force.

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Authors and Affiliations

  1. LETTM, Faculté des Sciences de Tunis, El Manar II, 2092, Tunis, Tunisia

    I. Ben Abdellaziz, M. Bouterra, A. El Cafsi, A. Belghith & B. Kalech

Authors
  1. I. Ben Abdellaziz
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  2. M. Bouterra
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  3. A. El Cafsi
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  4. A. Belghith
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  5. B. Kalech
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Correspondence to I. Ben Abdellaziz.

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Abdellaziz, I.B., Bouterra, M., El Cafsi, A. et al. Numerical and theoretical solutions of a turbulent boussinesq fountain generated from maintained sources. High Temp 55, 579–584 (2017). https://doi.org/10.1134/S0018151X17040022

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  • DOI: https://doi.org/10.1134/S0018151X17040022

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