单词盒子

roughness length

R 开头单词

基本解释

  • 粗糙长度

英汉例句

    双语例句

  • 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;
    针对使用较常见的流速剖面法，本文介绍了四种方法1） 近底两层流速时间系列估计粗糙长度；
  • Some relationships of roughness length, friction velocity and resistance coefficient with wind velocity and wave height in neutral stratification have been given.
    给出了中性层结时水面粗糙度、动力摩擦速度及阻力系数与风速和浪高的关系。
  • 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.
    相邻层位的流速在时间序列上存在很高的线性关系，回归直线的斜率与水层距底床的高度、粗糙长度和摩阻流速有关。

词组短语

    短语

  • surface roughness length 地面粗糙长度
  • vapour roughness length 水汽粗糙度
  • effective roughness length 有效粗糙度长度
  • scalar roughness length 标量粗糙度
  • temperature roughness length 热力粗糙度

专业释义

    环境科学技术

  • 粗糙度

    Wind velocity and roughness length influence the friction velocity, the range of average friction velocity is 0.0580.092m/s. The threshold friction velocity of the soil surface is about 0.082m/s, less than the surface covered by vegetation, sand, large particle.
    摩阻风速受风速和地表粗糙度的影响,日平均摩阻风速最大变化范围是0.058～0.092m/s。

    生物学

  • 粗糙长度

    Calculated friction velocity caused by tidal current (u*_c)) is 0.39～6.8cm/s. Roughness length z_0=0.31cm.
    计算得出潮流摩阻流速u*_c。 范围为0.39～6.8cm/s,粗糙长度Z0=0.31cm。

    水利工程

  • 粗糙长度

    • 地球科学

  • 粗糙度长度
  • 粗糙长度