學術研究

NUMERICAL SIMULATION OF FLOWS AROUND BROAD-LEAF TREES

Fuh-Min Fang、Chen-Yang Chung、Yi-Chao Li

本文關鍵字：LARGE EDDY SIMULATION、WIND TUNNEL TEST、POROUS BODY

本文摘要A numerical model is established to predict flow past discrete broad-leaf trees so as to provide a handy tool for pedestrian wind analysis during the preliminary design stage for local wind environments. In the study, a tree factor was proposed to reflect the effect due to the existence of the trees. Besides the applications of numerical computations in flow analysis, wind tunnel measurements were also performed to guide and confirm the numerical simulations. Results showed that the calibrated tree factor generally increased with increases of the volume ratio and horizontal thickness of the tree body. Based on the calibrated relationship of the tree factor, finally, additional numerical computations were performed to simulate flow past an isolated tree and dual trees in a tandem and a side-by-side arrangement. The predicted downstream wind velocity profiles appeared in good agreements with the measurement results.
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    Fuh-Min Fang、Chen-Yang Chung、Yi-Chao Li（2016 年 1 月 22 日），〈NUMERICAL SIMULATION OF FLOWS AROUND BROAD-LEAF TREES〉。《中華民國風工程學會電子報》，2024 年 5 月 17 日取自：http://www.wind.org.tw/epaper/index.php?id=56
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    Fuh-Min Fang、Chen-Yang Chung、Yi-Chao Li，〈NUMERICAL SIMULATION OF FLOWS AROUND BROAD-LEAF TREES〉。《中華民國風工程學會電子報》第 9 期（2016），取自：http://www.wind.org.tw/epaper/index.php?id=56
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