Spectra of longitudinal turbulence measured in a boundary layer wind tunnel |
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| Institution: | 1. The Smart Materials Research Institute, Southern Federal University, 344090 Rostov-on-Don, Russia;2. Institute of Mathematics, Mechanics and Computer Science, Southern Federal University, 344090 Rostov-on-Don, Russia;3. A.V. Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics”, Russian Academy of Sciences, 119333 Moscow, Russia |
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| Abstract: | In the Meteorological Institute of the University of Hamburg, wind tunnel experiments have been carried out to investigate the influence of surface roughness and other zone of flow establishment characteristics on the distribution of turbulent energy in simulated atmospheric boundary layers. Time series of longitudinal velocity fluctuations have been measured by hot film anemometry. The signal output has been digitalized and stored in a high resolution signal memory recorder. Spectra of longitudinal turbulence have been calculated and compared with those obtained in field measurements and other wind tunnels. |
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