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Title: Numerical simulation and analysis of the transition to turbulence in boundary layer flows
Authors: Tong, Hok Yee.
Keywords: DRNTU::Engineering::Mechanical engineering::Fluid mechanics
Issue Date: 2013
Abstract: The aim of this paper is to strengthen and validate the theory proposed by Vladimir V. Kulish, where the fluctuations of velocity during a laminar-turbulent transition can be viewed as a fractal time series [4]. The FRATSAN program which was written by Karthik Seetharaman was used as a means to analyze the multifractal time series by generating the Fractal Dimensions, Jeffreys Divergence Measure and Hurst Exponent values through the interpretation of the fluctuating velocity data [3]. Velocity data from the Open Channel Flow experiment and the Boundary Layer Flow experiment were re-analyzed again and the results were compared and reviewed. The eventual outcome had shown encouraging signs and reflected positive results. This implies that multifractal time series analysis carries a very high potential in predicating the transition from laminar to turbulent flow.
Schools: School of Mechanical and Aerospace Engineering 
Rights: Nanyang Technological University
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:MAE Student Reports (FYP/IA/PA/PI)

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