Abstract
A modification to the phase-jitter calculation procedure of Ho et al. (J Fluid Mech 230:319–337, 1991), called the HZFB method (Ho, Zohar, Foss, and Buell), and an extension of the pattern recognition technique for phase-jitter calculation are presented in this work. Results for the phase jitter calculated using the three methods are compared for a separated shear layer past a surface-mounted rib. The original HZFB method is shown to yield inaccurate results in the presence of small-scale turbulence, while the modified HZFB method and the pattern recognition technique provide the correct estimates of phase jitter.
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