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New Agriculture and Forest Meteorology Study Findings Reported from DTU Wind Energy (Immersed Boundary Method Applied To Flow Past a Tree Skeleton)

  • Oct 20, 2021
Agriculture Daily

2021 OCT 20 (NewsRx) -- By a News Reporter-Staff News Editor at Agriculture Daily -- Current study results on Agriculture - Agriculture and Forest Meteorology have been published. According to news reporting from Roskilde, Denmark, by NewsRx journalists, research stated, “We present numerical predictions and experimental observations of the drag force on the major branches of a model tree as well as the wind field in its wake. The tree model was mounted on a force sensor in a wind tunnel.”

Financial support for this research came from Independent Research Fund Denmark.

The news correspondents obtained a quote from the research from DTU Wind Energy, “The numerical simulations solved both the Reynolds Averaged Navier Stokes and detached eddy simulations, in combination with an immersed boundary model representation of the tree, while the measurements were obtained in the WindEEE Dome. Contrary to previous studies on trees or fractal structures, we find that the simulated forces on the tree skeleton were strongly dependent on the roughness of its surface. Upon setting a proper surface roughness, the simulations were capable of predicting both forces and wake fields, which were in good agreement with the observations both in terms of mean wind speed, mean turbulence and spectra.”

According to the news reporters, the research concluded: “Furthermore, both simulations and observations showed that turbulence and mean wind speed were reduced for up to a distance of two tree heights downwind of the tree skeleton, underlining the efficiency of trees to remove momentum from a flow.”

This research has been peer-reviewed.

For more information on this research see: Immersed Boundary Method Applied To Flow Past a Tree Skeleton. Agricultural and Forest Meteorology, 2021;308. Agricultural and Forest Meteorology can be contacted at: Elsevier, Radarweg 29, 1043 Nx Amsterdam, Netherlands. (Elsevier -; Agricultural and Forest Meteorology -

Our news journalists report that additional information may be obtained by contacting Niels Troldborg, DTU Wind Energy, Frederiksborgvej 399, Dk-4000 Roskilde, Denmark. Additional authors for this research include Niels N. Sorensen, Ebba Dellwik and Horia Hangan.

The direct object identifier (DOI) for that additional information is: This DOI is a link to an online electronic document that is either free or for purchase, and can be your direct source for a journal article and its citation.


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