12112
20
16984
5
220903
document
16984
INVE_MEM_2011_94604.pdf
application/pdf
4422117
20140922 10:53:16
http://oa.upm.es/12112/2/INVE_MEM_2011_94604.pdf
12112
2
application/pdf
application/pdf
en
public
INVE_MEM_2011_94604.pdf
archive
1903
disk0/00/01/21/12
20120911 12:53:33
20160421 11:17:59
20120911 12:53:33
article
show
0

González Gutierrez
Leo Miguel

Kuhnen
J.

Theofilis
Vassilios

Kuhlmann
H. C.
Threedimensional flow instability in a liddriven isosceles triangular cavity
Cambridge University Press
byncnd
pub
 fisica
 mecanica
public
instability; transition to turbulence
Linear threedimensional modal instability of steady laminar twodimensional states developing in a liddriven cavity of isosceles triangular crosssection is investigated theoretically and experimentally for the case in which the equal sides form a rectangular corner. An asymmetric steady twodimensional motion is driven by the steady motion of one of the equal sides. If the side moves away from the rectangular corner, a stationary threedimensional instability is found. If the motion is directed towards the corner, the instability is oscillatory. The respective critical Reynolds numbers are identified both theoretically and experimentally. The neutral curves pertinent to the two configurations and the properties of the respective leading eigenmodes are documented and analogies to instabilities in rectangular liddriven cavities are discussed.
published
201105
Journal of Fluid Mechanics
675
369396
10.1017/S002211201100022X
Navales
Ensenanzas
TRUE
00221120