树冠结构参数及附近风场特征的风洞模拟研究

应用生态学报 ›› 2000, Vol. ›› Issue (2): 202-204.

树冠结构参数及附近风场特征的风洞模拟研究

关德新, 朱廷曜

中国科学院沈阳应用生态研究所, 沈阳110015

收稿日期:1999-04-13 修回日期:1999-10-19 出版日期:2000-03-25
通讯作者: 关德新,男,1962年生,博士,副研究员,主要从事森林气象、防护林气象研究,发表论文30余篇.E-mail:tfpei@iae.syb.ac.cn
基金资助:
辽宁省自然科学基金(972061);中国科学院百人计划项目“森林界面生态学”;国家“九五”科技攻关项目(96-007-04-06-03)

Wind tunnel experiment on canopy structural parameters of isolated tree and wind velocity field characters nearby

GUAN Dexin, ZHU Tingyao

Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110015

Received:1999-04-13 Revised:1999-10-19 Online:2000-03-25

摘要/Abstract

摘要： 根据风洞模型实验,分析了树冠结构参数 (疏透度β、透风系数α)和附近的风速场特征.结果表明,透风系数与疏透度之间符合幂函数关系α=β^0.6,树冠附近的风速减弱区为椭球形立体空间,减弱区随树高、冠幅的增大而增大,随透风系数(或疏透度)的增大而减小,在水平和垂直剖面上,等风速线分别为椭圆形和椭圆线段.

关德新, 朱廷曜. 树冠结构参数及附近风场特征的风洞模拟研究[J]. 应用生态学报, 2000, (2): 202-204.

GUAN Dexin, ZHU Tingyao. Wind tunnel experiment on canopy structural parameters of isolated tree and wind velocity field characters nearby[J]. Chinese Journal of Applied Ecology, 2000, (2): 202-204.

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