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作者:Jacques Lewalle , Frank W. Peek , Stephen J. Murphy
来源:[J].Journal of Theoretical Biology(IF 2.351), 1995, Vol.177 (3), pp.215-238
摘要:Abstract(#br)Multiunit electrophysiological activity recorded by gross electrodes from the olfactory nerve was analyzed by wavelet decomposition, a relatively new method of signal processing. The analysis was run on data from the unstimulated olfactory system as well as on data e...
作者:Jacques Lewalle
来源:[J].Physica D: Nonlinear Phenomena(IF 1.669), 2009, Vol.239 (14), pp.1232-1235
摘要:Abstract(#br)The ‘triad interactions’, arising from the spectral resolution of the nonlinear terms in the Navier–Stokes equations, have so far not been substantially modified in the wavelet representation. In this paper, the multiscale interactions are captured by exact...
作者:Jacques Lewalle , Lawrence L. Tavlarides , Vivek Jairazbhoy
来源:[J].Chemical Engineering Communications(IF 1.052), 1987, Vol.59 (1-6), pp.15-32
摘要:The mixing of neutrally buoyant, immiscible droplets in suspension in a turbulent liquid is being studied. In a statistically homogeneous field, it is anticipated that the droplets will affect the turbulent eddies, and that the turbulence will cause the droplets to break-up and c...
作者:Jacques Lewalle , Joël Delville , Jean-Paul Bonnet
来源:[J].Flow, Turbulence and Combustion(IF 1.274), 2000, Vol.64 (4), pp.301-328
摘要:Abstract(#br)The eduction of coherent structures from cross-wire rake data in a fully turbulent incompressible mixing layer confirms the feasibility of a decomposition of a turbulent flow field, first suggested by Farge, as non-periodic non-equilibrium coherent structures in...
作者:Jacques Lewalle
来源:[J].Journal of Turbulence(IF 0.98), 2000, Vol.1
摘要:Gaussian filtering and Hermitian wavelet transforms lead to a new presentation of the Navier-Stokes equations by adding an independent variable. The diffusive part takes the form of an invariant translation toward smaller scales. The filtered pressure term is spatially local and ...
作者:Jacques Lewalle , Mark Glauser
来源:[J].Journal of Turbulence(IF 0.98), 2013, Vol.14 (1), pp.165-189
摘要:This paper investigates the benefit of unsteady blowing actuation over a two-dimensional (2D) airfoil specially designed for wind turbine applications. The experiments were carried out in Syracuse University’s anechoic wind tunnel, both with and without large-scale unsteadin...
作者:JACQUES LEWALLE
来源:[J].International Journal of Wavelets, Multiresolution and Information Processing, 2009, Vol.7 (1), pp.131-142
摘要:The redundancy of continuous wavelet transforms implies that the wavelet coefficients are not independent of each other. This interdependence allows the reconstruction or approximation of the wavelet transform, and of the original field, from a subset of the wavelet coefficients....
作者:Jacques Lewalle , Kerwin R. Low , Mark N. Glauser
来源:[J].International Journal of Aeroacoustics(IF 0.627), 2012, Vol.11 (5-6), pp.651-674
摘要:The detection of intermittent near-field noise sources is achieved by continuous wavelet transform of far-field acoustic data. The similarities between signals from three far-field microphones in the annular cone of acoustic radiation from coherent sources in a Ma = 0.6 cold jet ...
作者:Jacques Lewalle , Kerwin R. Low , Mark N. Glauser
来源:[J].International Journal of Aeroacoustics(IF 0.627), 2012, Vol.11 (5), pp.651-674
摘要:The detection of intermittent near-field noise sources is achieved by continuous wavelet transform of far-field acoustic data. The similarities between signals from three far-field microphones in the annular cone of acoustic radiation from coherent sources in a Ma = 0.6 cold jet ...
作者:Jacques Lewalle
来源:[J].Applied Scientific Research, 1993, Vol.51 (1-2), pp.109-113
摘要:Abstract(#br)The generalized dimensions D q defined in the multifractal description of turbulence are related to the Navier-Stokes equations, and equations are presented for D q and its evolution. In order to reach this result, the equations for incompressible flows are wavelet-t...

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