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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 20, Number 4
BKCSDE 20(4)
April 20, 1999

Title	The Complex Travelling Wave by Two Directional Differential Flow Induced Chemical Instability
Author	Su-Bum Shin, Sang-Joon Choe, Do-Sung Huh, Kenneth Showalter
Keywords
Abstract	A new kind of differential flow induced chemical wave is introduced by theoretical calculation. A differential flow between the counter acting species of a dynamical activator-inhibitor system may destabilize its homogeneous reference state and cause the medium to self-organize into a pattern of travelling waves through the differential flow instability (DIFI). In a chemical system, also, the differential bulk flow may change the dynamics of the system, thus it has been refered to as the differential flow induced chemical instability (DIFICI). For DlFICI experiments, one directional flow has been commonly employed, resulting in periodic wave patterns generally. In this study, we considered two directional flow for the DIFICI wave by exchanging artificially the flow direction at some period.
Page	411 - 416
Full Text	PDF

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