Raindrop Characteristics Analysis by Laser Raindrop Spectrometer

International Conference on Computer Information and Automation Engineering

计算机科学;运输工程

Yang, X.Q.^1,2 ; Liu, N.N.^3 ; Lin, J.^4 ; Yao, W.Y.^1 ; Xiao, P.Q.^1 ; Shen, Z.Z.^1

Key Laboratory of Soil and Water Loss Process and Control on the Loess Plateau of the MWR, Yellow River Institute of Hydraulic Research, Zhengzhou, Henan

450003, China^1

Henan Institute of Science and Technology, Xinxiang, Henan

453003, China^2

Ningxia Agricultural Institute of Survey and Design, Ningxia

471900, China^3

Fuzhou Entry-Exit Inspection and Quarantine Bureau of P.R.C, Fuzhou

350015, China^4

关键词: Characteristics analysis;    Loess slopes;    Natural rainfalls;    Peak values;    Rainfall intensity;    Terminal velocity;    Yellow River basin;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/359/1/012016/pdf
DOI  :  10.1088/1757-899X/359/1/012016

学科分类：计算机科学（综合）

来源: IOP

【 摘 要 】

Raindrop characteristics, including speed and size of raindrops, in Zhengzhou city of Yellow River basin were analyzed through a natural rainfall on the loess slope. Results showed that the process of natural rainfall belonged to a parabola and counts, size and terminal velocity would increase with the rainfall intensity rising. Besides, the size and terminal velocity of natural raindrops were relatively scattered; In the process of individual rainfall, the terminal velocity and its peak value were mainly focused between 1∼4.2m/s and 1.4-3.4m/s, respectively. Size of raindrops were mainly consisted of 0.125-0.5mm, The final velocity of 0.125mm is mainly between 1-3.4m/s, and the final velocity of the raindrops with 0.25mm particle size is mainly concentrated on the range of 1-4.2m/s, 0.375mm diameter of the raindrops mainly concentrated on the 1-3.4m/s, the 0.5mm diameter of the raindrops mainly concentrated on the 3.4-4.2m/s.