A STUDY ON CHAOTIC MIXING IN 2D CAVITY FLOWS (EFFECTS OF REYNOLDS-NUMBER AND AMPLITUDE OF LID VELOCITY)

Authors
TAKASAKI S OGAWARA K IIDA S
Citation
S. Takasaki et al., A STUDY ON CHAOTIC MIXING IN 2D CAVITY FLOWS (EFFECTS OF REYNOLDS-NUMBER AND AMPLITUDE OF LID VELOCITY), JSME international journal. Series B, fluids and thermal engineering, 37(2), 1994, pp. 237-241
Citations number
7
Categorie Soggetti
Engineering, Mechanical",Thermodynamics
Journal title
JSME international journal. Series B, fluids and thermal engineering → ACNP
ISSN journal
13408054
Volume
37
Issue
2
Year of publication
1994
Pages
237 - 241
Database
ISI
SICI code
1340-8054(1994)37:2<237:ASOCMI>2.0.ZU;2-Q
Abstract
Chaotic mixing in two-dimensional square cavity flows with a periodic lid velocity was numerically simulated. To quantify the mixing in the cavity, the pseudo-Lyapunov exponent lambda was measured. After select ing Reynolds number (Re) and amplitude of the lid velocity (A) as para meters which govern the flow field and mixing conditions, relationship s between these parameters and lambda were investigated. The obtained results showed that neither Re nor A affects the value of period T whi ch gives the maximum lambda.