In fluid dynamics, Taylor–Culick speed ( or Taylor–Culick formula) refers to the speed at which a liquid sheet or soap film retracts upon rupture. The formula was derived in 1960 independently by Geoffrey Ingram Taylor and F. E. C. Culick.Taylor, G. I. (1959). The dynamics of thin sheets of fluid. III. Disintegration of fluid sheets. Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, 253(1274), 313-321.Culick, F. E. (1960). Comments on a ruptured soap film. Journal of applied physics, 31(6), 1128. The formula for the retraction speed is given byde Gennes, P. G. (1996). Introductory lecture. Mechanics of soft interfaces. Faraday Discussions, 104, 1-8.
where is the surface tension, is the fluid density and is the initial thickness of the sheet. Prior to Taylor and Culick's work, A. Dupre (1867) and Lord Rayleigh studied this problem.A. Dupré, Théorie mécanique de la chaleur, Ann. Chim. Phys. 11, 194 (1867).Lord Rayleigh, Nature (London), 1891, 44, 249.
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