Linear instability analysis of incompressible flow over a cuboid cavity

Liu, Qiong and Sierra Gomez, Francisco and Theofilis, Vassilios (2014). Linear instability analysis of incompressible flow over a cuboid cavity. In: "8º IUTAM-ABCM Symposium on Laminas-Turbulent Transition", 8-12 sep 2014, Rio de Janeiro, Brazil. ISBN 9781510807914. pp. 511-518.

Description

Title: Linear instability analysis of incompressible flow over a cuboid cavity
Author/s:
  • Liu, Qiong
  • Sierra Gomez, Francisco
  • Theofilis, Vassilios
Item Type: Presentation at Congress or Conference (Article)
Event Title: 8º IUTAM-ABCM Symposium on Laminas-Turbulent Transition
Event Dates: 8-12 sep 2014
Event Location: Rio de Janeiro, Brazil
Title of Book: IUTAM-ABCM Symposium on Laminar Turbulent Transition 2014 : proceedings
Date: 2014
ISBN: 9781510807914
Volume: 14
Subjects:
Faculty: E.T.S. de Ingeniería Aeronáutica y del Espacio (UPM)
Department: Mecánica de Fluidos y Propulsión Aeroespacial
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Direct numerical simulations are performed to analyze the three-dimensional instability of flows over three-dimensional cavities. The flow structures at different Reynolds numbers are investigated by using the spectral-element solver nek5000. As the Reynolds number increasing, the lateral wall effects become more important, the recirculation zone shrinks, the front vortex increases and the flow structure inside of the cavity becomes more complex. Results show that the flow bifurcates from a steady state to an oscillatory regime beyond a value of Reynolds number Re = 1100.

More information

Item ID: 37657
DC Identifier: http://oa.upm.es/37657/
OAI Identifier: oai:oa.upm.es:37657
Official URL: http://www.proceedings.com/26997.html
Deposited by: Memoria Investigacion
Deposited on: 18 Feb 2016 09:20
Last Modified: 18 Feb 2016 09:20
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