A new flow regime in a Taylor–Couette flow

T. T. Lim , Y. T. Chew, Q. Xiao

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30 Citations (Scopus)


n this Brief Communication, we report a new finding on a Taylor–Couette flow in which the outer cylinder is stationary and the inner cylinder is accelerated linearly from rest to a desired speed. The results show that when the acceleration (dRe/dt) is higher than a critical value of about 2.2 s−1, there exists a new flow regime in which the flow pattern shows remarkable resemblance to regular Taylor vortex flow but is of shorter wavelength. However, when the acceleration is lower than 2.2 s−1, a wavy flow is found to occur for the same Reynolds number range. To our knowledge, this is probably the first time that such a phenomenon has been observed. For completeness, the case of a decelerating cylinder is also investigated, and the results are found to be almost the same.
Original languageEnglish
Article number3233
JournalPhysics of Fluids
Issue number12
Early online date10 Nov 1998
Publication statusPublished - 31 Dec 1998


  • decelerating cylinders
  • Taylor–Couette flow
  • Taylor vortex flow


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