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Trees and wind: A practical consideration of the drag equation velocity exponent for urban tree risk management

机译:树木和风:城市树木风险管理中阻力方程速度指数的实际考虑

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摘要

Arborists and urban foresters are increasingly concerned with tree risk management. The aerodynamic drag equation is a potentially useful management tool. Some sources question the form of equation-specifically, the velocity exponent-that should be applied to trees: For the tree risk manager, concerned with public safety and legal liability, this is more than an academic curiosity. Uncertainty about the appropriate exponent questions the reliability of the conventional form. This paper reviews the literature, reports on modeling of both equation forms, and concludes that the conventional form-velocity squared-is appropriate for trees. Detailed analysis is presented for the researcher or advanced practitioner. A summary explanation is provided for the typical practitioner.
机译:树木学家和城市林业者越来越关注树木风险管理。空气阻力方程是一种潜在有用的管理工具。一些消息来源对方程式的形式提出质疑,特别是对树木应采用的速度指数:对于树木风险管理者,他关注公共安全和法律责任,这不只是学术上的好奇心。有关适当指数的不确定性质疑传统形式的可靠性。本文回顾了文献,报道了这两种方程形式的建模,并得出结论,常规形式-速度平方-适用于树木。为研究人员或高级从业人员提供了详细的分析。为典型的从业人员提供了简要说明。

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