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  • A turbulent-wake estimation using radial basis function neural networks
    Hočevar, Marko, strojnik, 1972- ; Širok, Brane ; Grabec, Igor
    An estimation of the fluctuations in the passive-tracer concentration for the turbulent wake behind an airfoil is presented. The estimation is based on experimental modelling using Radial Basis ... Function Neural Networks. For the experiment the fluctuations of the concentration in the turbulent wake were recorded with a visualization method. The records of the concentration in the selected regions of the turbulent wake were used as the input and output regions for the training and estimation with neural networks. The uncertainty of the estimation increased with increasing distance between the input and theoutput regions. The power spectra, the spatial correlation functions and the profiles of the concentration were calculated from the measured and estimated fluctuations of the concentration. The measured and estimated concentration power spectra were in reasonable agreement. The measured and estimated spatial correlation functions and the profiles of the concentration showed a similar agreement.
    Source: Flow, turbulence and combustion. - ISSN 1386-6184 (Letn. 74, Št. 3, 2005, str. 291-308)
    Type of material - article, component part
    Publish date - 2005
    Language - english
    COBISS.SI-ID - 8439835

source: Flow, turbulence and combustion. - ISSN 1386-6184 (Letn. 74, Št. 3, 2005, str. 291-308)
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