Fokker-Planck equation IDDES methodology Langevin equation Lyapunov theory Lévy noise Rushton turbine T-junction Tsallis entropy anomalous diffusion attached and separated flows bifurcation bifurcations channel flow chaos coherent structure coherent structures complex dynamics continuous wavelet transform control strategy denoise drop breakage drop coalescence energy cascade floating wind turbine fluid dynamics fractals fractional Fokker–Plank equation free vortex wake heat transport high efficiency impeller