1) wind drag stress coefficient
风拖曳力系数
1.
Research of the effluence of tidal level on wind drag stress coefficient in storm surge model;
风暴潮模拟中潮位对风拖曳力系数的影响研究
2) wind drag coefficient
风应力拖曳系数
1.
Influence of wind drag coefficient on wind-drived flow simulation
风应力拖曳系数选取对风生流数值模拟的影响
3) drag coefficient
拖曳系数
1.
Study on Sea Ice Geometric Parameters and Parameterization of Drag Coefficient Based on Image Analysis;
基于图像分析的海冰几何参数和拖曳系数参数化研究
2.
In the sea ice dynamics, the wind and current drag forces are the main driving forces during breaking and drifting of sea ice, and determination of the drag coefficients is the core for calculating the drag force.
风和流对海冰的拖曳系数是海冰数值模式中的基本参数,它是精确模拟海冰漂移轨迹,分析海冰的动力破坏、海冰爬升与堆积问题的重要依据。
3.
In this paper,turbulent flux over canopy of field crops was calculated using Profile Gradient Method derived from Monin Obhov Similarity Theory and drag coefficient,Stanton number and Dalton number were also further defined.
根据农田植被层上方的温湿风梯度观测资料,采用基于莫宁-奥布霍夫相似理论的廓线梯度法计算了农田植被层上方的湍流通量,进而确定出拖曳系数、斯坦顿数和道尔顿数。
4) drag coefficient
曳力系数
1.
Evaluation of drag coefficient on particles in cluster by using lattice Boltzmann method;
颗粒团绕流曳力系数的LBM计算
2.
Based on the measured data of the cross-sectional average solids holdups at different axial locations of riser under various operation conditions and through the dynamic balance analysis of single particle,drag coefficients were indirectly obtained.
在高16 m气-固循环流化床提升管内,通过测定表观气速、颗粒质量流率和不同轴向高度的床层平均颗粒浓度,结合对单颗粒进行受力平衡分析,间接获得了不同轴向位置的颗粒曳力系数。
3.
The drag coefficient is a key parameter in the analysi.
1~200范围内27个不同Reynolds数时的曳力系数,并将计算结果拟合得到基于LBM数值模拟的曳力曲线。
5) dragging force
拖曳力
1.
A new criterium based on the ratio of local spray dragging force to local smoke buoyancy was proposed to analyze the stability of smoke under sprinkler spray.
对水喷淋作用时液滴与烟气层的相互作用过程进行分析,采用单位体积液滴拖曳力与烟气浮力的比值作为参数,建立了水喷淋作用时烟气层稳定性的判断方法。
2.
The orientation the bow of gold dredger must face to when taking up berth in flood season and the method to estimate the dragging force of gold dredger produced by the pounding of flood water are explained and introduced in this paper.
本文介绍了采金船渡汛时的停泊方向及采金船在洪水中可能产生拖曳力的估算方法。
6) drag force
拖曳力
1.
Based on theoretical analysis,the ratio of the maximal drag force of unit area D0 to the maximal buoyancy force of unit area B0 in the spray region is proposed as a new criterion for predicting the stability of smoke layer under sprinkler spray.
利用PolyU/USTC大空间实验厅内的水-烟耦合作用实验台,测量了不同喷淋压力下的烟气层温度和厚度;结合理论分析,提出了以喷头正下方单位面积总拖曳力和总浮力之比D0/B0作为烟气层稳定性判据,得到了烟气层状态与D0/B0之间的关系。
2.
After analyzing the mechanism of the sand entry of perforated well,based on the theory of linear elasticity and considering the effect of temperature-change stress and drag force of the fluid flow through porous medium,a new model for forecasting the sand production of perforated well is established.
针对此问题,分析了射孔完成井的油层出砂机理,以线弹性理论为基础,以Fairhurst推导得到的井眼周围应力分布表达式为依据,得出射孔孔眼周围的应力表达式及射孔孔眼壁上任意位置的周向有效应力表达式,同时考虑变温应力和流体渗流作用的拖曳力影响,建立了一种新的射孔完井出砂预测模型。
3.
Under the hypothesis of steady uniform flow,the depth-integrated turbulence time-averaged momentum equation for the main flow direction is simplified by considering the effect of the vegetation on the flow as the drag force item as well as the secondary flows.
通过恒定均匀流的假设,对主流方向上的沿水深积分的紊流时均运动微分方程式进行简化得到了相应的控制方程,其中引入植被对水流作用的拖曳力项,并考虑二次流的影响。
补充资料:法克森曳力系数
分子式:
CAS号:
性质:指穿过润胀的渗透膜时受阻扩散速率的力。穿过润胀的渗透膜时受阻扩散速率与不受阻扩散速率的比值,称为曳力系数。亦称法克森曳力系数。
CAS号:
性质:指穿过润胀的渗透膜时受阻扩散速率的力。穿过润胀的渗透膜时受阻扩散速率与不受阻扩散速率的比值,称为曳力系数。亦称法克森曳力系数。
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参考词条