roughness length

常見例句

For the usual velocity profile method, four kinds of method are given: 1) Estimating roughness length from velocity time series of two near-bottom layers;
針對使用較常見的流速剖面法，本文介紹了四種方法1）近底兩層流速時間系列估計粗糙長度；
Some relationships of roughness length, friction velocity and resistance coefficient with wind velocity and wave height in neutral stratification have been given.
給出了中性層結時水面粗糙度、動力摩擦速度及阻力系數(shù)與風速和浪高的關系。
A linear correlation exists between the current speed of adjacent layers, and the correlation is dependent on the height of the layer above the seabed, roughness length and shear velocity.
相鄰層位的流速在時間序列上存在很高的線性關系，回歸直線的斜率與水層距底床的高度、粗糙長度和摩阻流速有關。