两种理论方程的比较模型

两种理论方程的比较模型

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contributed at 2018-12-04

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Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Earth System SubjectEarth Surface SystemHydrosphere
Geography SubjectPhysical GeographyHydrology

Detailed Description

两种理论方程的比较模型

  

(1)直径大于1.9mm的水滴着地速度模型:

 

     V=4.80•[D•(1-e-0.85H/D)]0.5

式中,v为水滴着地速度;H为水滴降落的初始高度;D为水滴直径。

(2)任意水滴降落运动方程:

              

式中,ρa为流体(空气)的密度;ρw为水密度;CD为助力系数;γa为空气黏性系数;Re为雷诺系数;a,b和c为系数。

雷阿林,张学东,唐克丽:几种计算水滴降落速度方法的比较。水土保持通报,1995,15(4)

How to cite

《资源环境数学模型手册》 (2018). 两种理论方程的比较模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/1957675d-7b48-4327-93d3-cad98ddb7b7b
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Contributor

contributed at 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
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Is authorship not correct? Feed back

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