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1.Calculation fo Sediment Group Settling Velocity and Its Application
泥沙群体沉速计算及其应用收藏指正
2.The Settling Velocity Drag Coefficient and Reynolds Number of Sphere and Bob
球形和圆柱—圆锥形悬浮颗粒下沉速度、阻力系数和雷诺尔德数收藏指正
3.With the increasing initial orientation angle and length-width ratio, the drifting distance, the fluctuation of the orientation angle, lateral drifting velocity and rotation velocity all increase, while the final settling velocity decreases with the increasing length-width ratio.
初始取向角和长宽比增大，则粒子的横向漂移以及取向角、侧向漂移速度和转动角速度的振荡幅度都增大；同时随着长宽比的增大，粒子的沉降速度相应减小。收藏指正
4.The method was applied to the Nanhui nearshore waters. Calculating results indicate that the average settling velocity during flood tide stage is 3.46mm/s and 3.00mm/s during ebb stage;
用这一方法近似计算得到南汇近岸水域的悬沙沉速 :涨潮阶段平均为 3 46mm s,落潮阶段平均为 3 0 0mm s;收藏指正
5.Considering the effect of the concentration and particle size of suspended sediment, the author has obtained a set of formulas of settling velocity and drag resistance of a swarm of nonfloeculated particles for the three regions: laminar, turbulent and transiton regions.
考虑到含沙浓度、泥沙颗粒大小等因素的影响,得到泥沙非絮凝群体沉降时,在层流、紊流以及过渡区三种沉降状态下的群体沉速、绕流阻力规律。收藏指正
6.Vertical distributions of average suspended sediment concentration of flood stage or ebb stage in the Nanhui nearshore waters of Changjiang Estuary fit to the Rouse equation: C yC a=hy-1ha-1 ωβκu *. The exponent (i.e. Rouse number) in the equation is a function of the settling velocity of suspended sediment and other parameters.
长江口南汇近岸水域 1 994年 9～ 1 0月大、小潮期间悬沙浓度实测资料分析表明 ,涨潮或落潮平均悬沙浓度在垂向上呈指数分布 ,拟合Rouse(1 93 7)公式。收藏指正
7.(5) The long-period cumulative settling characteristic and the dynamic characteristic including dynamic stress, dynamic deformation , vibrating velocity, vibrating acceleration reduced with the increasing of height under train load.
(5)列车荷载作用下的基床动应力、动变形、振动速度、振动加速度、累积沉降都随着深度的增加而减小。收藏指正
8.The hydraulic gradients of settling slurry flow transported in three kinds of moving states, i. e. suspension, saltation, or partially suspension were investigated, based on analyzing the changes of solid particles and water in momentum, velocity and their mass related to momentum exchanging over the acceleration period of the solid particles.
从固体颗粒加速期间清水与固体颗粒的速度变化、动量传递、相关质量等基本问题分析入手，研究了沉降性浆体在水平管道内流动时其固体颗粒在3种流动状态下的水力坡度，提出了沉降性浆体在水平管道内流动的机理模型，进而用该模型对一些输送条件下的沉降性浆体的水力坡度进行了计算。收藏指正
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