- exchange of momentum
- interchange of momentum
- momentum exchange
- momentum tra fer
- momentum transfer
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动量交换的英文
例句与用法
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- The gage deflection is due to the momentum transfer .
压力计的偏转是由于动量交换的原因。 - The calculation result of passed flow rate in pipe section of pipeline network is significantly influenced by the momentum exchange and the local energy losses at junctions for the pipeline network comprised of the pipes of larger diameter and shorter length
摘要对于管径较大、管段长度较短的管网，结点处的动量交换和局部能量损失显著影响管网中管段通过流量的计算结果。 - The main reason of the stepped spillway having greater energy dissipation is tha there is big horizontal vortex in the inner angel of the steps and it makes momenbo exchange with outer mainstream then accelerates the theulence in the water
由于阶梯的存在，使得水流在阶梯凹角内产生强烈的水平横轴旋涡，旋滚水流与外部主流之间不断进行的动量交换加剧了水流内部的紊动，从而使阶梯溢流坝有较高的消能率。 - Laser cooling and trapping rely on the interaction between laser light and atom and the transfer of energy and momentum from the optical field to the atom . using laser radiation , it is possible to decrease the atomic velocity , cool atomic gases and trap the cooled atoms
激光冷却与囚禁是基于原子与激光场相互作用，原子与光场之间产生了能量与动量交换，原子在辐射光压力的作用下，其运动速度被降低，从而达到冷却与囚禁原子的目的。 - In this paper , some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data . the cross section of compound channel can be divided into four regions : the undisturbed region in main channel , the interactive region between channel and plain , the undisturbed region in flood plain and the boundary region . in the undisturbed regions , the distribution of longitudinal velocity along the depth has the feature of lograithmic . whereas , in the interactive region , the longitudinal velocity does not obey the logarithmic distribution law , but it can expressed as a revised logarithmic function by using a wake function . on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained . in the boundary region , the longitudinal velocity obeys the law of parabolic distribution . furthermore , according to the simplified diffusion equation , the transverse distribution of sediment concentration in the interactive region is deduced . the analysis is in good agreement with the measured data
本文根据漫滩水流的运动特点，将漫滩水流的复式断面分为主槽平衡区、滩槽交互区、滩地平衡区及边壁区等4个区，并给出了各区宽度的经验公式.根据滩槽交互区垂线流速分布的变化特点，提出了附加尾流函数的对数流速分布公式.在简化水流运动方程和泥沙扩散方程的基础上，对滩槽交互区内垂线平均流速及含沙量沿横向分布进行了理论分析，提出了反映滩槽水流动量交换强度的横向涡量粘性系数及横向扩散系数的表达式，得到了漫滩水流垂线平均流速及含沙量沿横向分布的解析解，并与实测资料吻合较好