The effects of displacement induced by thermal perturbations on the structure and stability of boundary-layer flows

Treviño, César and Liñán Martínez, Amable (1996). The effects of displacement induced by thermal perturbations on the structure and stability of boundary-layer flows. "Theoretical and Computational Fluid Dynamics", v. 8 (n. 1); pp. 57-72. ISSN 0935-4964. https://doi.org/10.1007/BF00312402.

Description

Title: The effects of displacement induced by thermal perturbations on the structure and stability of boundary-layer flows
Author/s:
  • Treviño, César
  • Liñán Martínez, Amable
Item Type: Article
Título de Revista/Publicación: Theoretical and Computational Fluid Dynamics
Date: 1996
ISSN: 0935-4964
Volume: 8
Subjects:
Faculty: E.T.S.I. Aeronáuticos (UPM)
Department: Motopropulsión y Termofluidodinámica [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The free-interaction influence of a thermal expansión process in boundary-layer gas flow is analyzed using the formalism of triple-deck theory. The physical model considered is the forced convection of a gas flowing over a flat plate subject to a heated slab. Both linearized and full nonlinear solutions are obtained using Fourier transform methods and spectral numericaí techniques. The influence of monochromatic thermal perturbation on boundary-layer stability (lower branch) is studied and first-ordcr correction of the lower branch neutral stability curve for the boundary-layer flow has been obtained. The shift of neutral stability is then computed for different values of the therma! perturbation wave number, making unstable some otherwise stable modes.

More information

Item ID: 1547
DC Identifier: http://oa.upm.es/1547/
OAI Identifier: oai:oa.upm.es:1547
DOI: 10.1007/BF00312402
Official URL: http://link.springer.com/article/10.1007%2FBF00312402
Deposited by: Biblioteca ETSI Aeronauticos
Deposited on: 05 May 2009
Last Modified: 20 Apr 2016 06:52
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