caa a22 4500 445874740 CHVBK 20180317145524.0 cr unu---uuuuu 170323e20111001xx s 000 0 eng 10.1007/s10652-010-9203-y doi (NATIONALLICENCE)springer-10.1007/s10652-010-9203-y Ferreira Almerindo Department of Mechanical Engineering, University of Coimbra, Coimbra, Portugal aut Structural design of a natural windbreak using computational and experimental modeling [Elektronische Daten] [Almerindo Ferreira] Computational and experimental approaches are employed for the structural design of a natural windbreak. It is intended to find the optimum tree shelterbelt to obviate the uneven wind speed distribution across the width dimension of a high-level competition rowing channel. The experimental results, obtained in a wind tunnel, and consisting of erosion-technique images and local wind-speed measurements, are used to benchmark the computational model. A good agreement between the two sets of results is obtained. Several windbreak configurations, considering one or two rows of different cross-sectional shape and porosity, are computationally modeled. For the shortest row a rectangular shape, with porosity of 35%, is considered; for the tallest row, which aims the modeling of a poplar tree, a porosity of 87% is assumed at the trunk level, and 60% at the crown. The optimum shelterbelt consists of two rows, composed by bamboo and poplar trees, which allows the attainment of a low and nearly uniform wind flow across the width of the channel. Springer Science+Business Media B.V., 2010 Tree shelterbelt nationallicence Windbreak nationallicence Computational simulation nationallicence Wind tunnel nationallicence Optical porosity nationallicence Environmental Fluid Mechanics Springer Netherlands 11/5(2011-10-01), 517-530 1567-7419 11:5<517 2011 11 10652 https://doi.org/10.1007/s10652-010-9203-y text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10652-010-9203-y text/html Onlinezugriff via DOI NATIONALLICENCE 100 1- Ferreira Almerindo Department of Mechanical Engineering, University of Coimbra, Coimbra, Portugal aut NATIONALLICENCE 773 0- Environmental Fluid Mechanics Springer Netherlands 11/5(2011-10-01), 517-530 1567-7419 11:5<517 2011 11 10652 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer