Abstract
Measurement and phenomenological analyses of intermittency growth inan experimental turbulent pipe flow and numerical turbulence areperformed, for which working definitions such as degree,increment, and growth rate of intermittencyare introduced with the help of quasiscaling theory.The logarithmic–normal inertial scaling model is extended toquasiscaling as the second-order truncation of the Taylor expansionand is used for studying the intermittency growth problem. The extended self-similarityproperties are shown to be not consistent with the monotonicity of thethird order local quasiscaling exponent and the nonmonotonic behaviour ofthe intermittency growth rate as a result of bottleneck. Digestionsof the results with scale-dependent multifractals are provided.
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