通过计算还得到了地基刚性系数对临界流速的影响规律。
The influence of rigidity coefficient of the foundation on the critical velocity is discussed in detail.
本文首次分析了U型管阵的临界流速，给出了计算公式和计算方法。
Critical velocity of U-tube arrays is analysised for the first time, the computational method and the calculating formulas are given.
临界流速是浆体管道输送的一个重要因素，目前尚无普遍的使用公式。
Critical flow velocity is an important factor in slurry pipeline transportation. Now, there is not still an universal formula.
结果表明，颤振临界流速随间隙的增大而降低；随板厚的增大而提高。
The results show that the critical velocity for flutter decreases with the increase of gap while increases with the increase of beam's thickness.
具体储层的临界流速，油井出砂率，挡砂层的挡砂率是该技术的成功核心。
The critical flow velocity of reservoir, sand production rate of oil well and sand control rate of sand retention layer are the key of the technology that is successfully used.
长期以来，人们一直用临界流速或临界佛汝德数的准则来确定冰塞的演变。
The critical velocity, or critical Froude number criterion has long been accepted as a means of determining frazil jam profiles.
射孔密度、射开厚度、孔眼直径及临界流速增加时，砾石充填最小排量也增加。
The minimum injection rate of gravel pack increases while increasing the diameter of perforation tune, the perforation density, the perforated thickness and the critical velocity.
运用特征值分析与响应分析结合的方法，研究了系统失稳的临界流速与失稳形式。
The critical velocity and form of instability are studied by the means of eigenvalue and response analysis.
分析了多来多排的机理后认为：临界流速的非单值性是挟沙能力多值性的深层原因；
It deems after analyzing the mechanism of desilting as much as coming that non-uniqueness of critical velocity is the deep reason of multi-value of sediment carrying capacity and;
由斯托克斯准数为1／16导出的临界流速值，只有在纯理论研究的计算上才具有意义；
The critical velocity of flow gotten by Stokes'number 1/16 only had its significance in theory.
采用假设模态法建立耦合控制方程。分析系统的颤振临界流速随间隙和板厚的变化规律。
Coupling control equation of system was presented based on assumption method and change tendencies of critical velocity for flutter with both gap and the thickness of beam were discussed.
研究重点主要集中在管内流动状态、浓度和速度分布、临界流速及阻力损失计算四个方面。
There are four emphases in -research, for instance, flow state in pipeline, distribution of concentration and velocity, deposition-limit velocity and calculation of flow resistance or head loss.
求得了具体结构参数情况下的第一阶屈曲临界流速，计算了结构参数变化对临界流速的影响。
The first_order critical fluid speed with concrete structural parameters is calculated, and the influence on critical fluid speed is studied when the structural parameters are changed.
利用临界流速公式系统地分析和讨论扭转刚度、重力系数和轴向预紧力对管道临界流速的影响特性。
The effect of some parameters of the system on the values of critical flow velocity is discussed according to the analytical expressions derived.
通过阐述流速对藻类生长的影响，探讨临界流速在研究及控制三峡库区富营养化过程中的作用和地位。
This article will elucidate the effects of velocity of flow to the growth of algae and discuss importance of the critical velocity of flow in study on the eutrophication of the Three Gorges Reservoir.
库区内的优势藻类爆发生长是否存在临界流速，以及临界流速怎样测定，已经成为一个亟待解决的问题。
If there is a critical velocity of flow which make the algae growth rapidly in Three Gorges Reservoir and tributaries and how to certain it are the urgent problems which should be solved.
在前人试验研究工作的基础上，利用人工神经网络法对大直径浆体输送管道的淤积临界流速进行了拟合和预测。
Based on the previous experimental works, critical deposition velocity in large pipe has been fitted and predicated by artificial neural network.
针对发生流体弹性不稳定现象时的临界流速；不同螺旋半径上相邻管的相互影响；同一螺旋半径上、下游管的相互影响等问题作了讨论。
The problem such as the critical flow velocity at which fluid elastic instability phenomenon begin to occur, the reciprocal action on neighboring tubes in different helical radius, and that.
而解决浑水管道泥沙淤堵问题的关键在于确定其临界不淤流速及与之配套的工程技术措施。
Solving sediment depositing in pipeline key of problem lied in determining non-depositing critical velocity of muddy water delivery in pipeline system and corresponding technical measures.
通过玻璃水槽试验和径流冲刷试验，研究了坡面径流的流速分布和坡面细沟侵蚀发生的临界条件。
Based on the experiment of glass flume and the experiment of runoff scouring, the runoff velocity distribution on slope and the critical condition of rill erosion were researched.
而解决浑水管道泥沙淤堵问题的关键在于其临界不淤流速的确定。
Solving sediment depositing in pipeline key of problem lied in determining non-depositing critical velocity of muddy water delivery in pipeline system.
模拟结果表明，细沟扩宽过程对坡度和坡面表土临界起动流速的变化十分敏感。
Simulation result also indicates that the rill width is affected both by slope gradient and critical detachment velocity of surface soil on the hill slope.
文中还给出了临界质量流速的试验关联式。
考察了不同液体、流速和喷流直径等系统条件对喷流沸腾临界热流密度的影响。
Investigated was the influence of the various system conditions, such as different liquids, flow velocities and jet flow diameter, etc. on the critical heat-flux density of the jet-flow boiling.
结果表明：随着相对流速的增大，碳钢的腐蚀随之加剧，并发现存在一个临界相对流速值。
The experimental result shows that the corrosion rate of carbon steel increases with the increasing of flow velocity, and there is a critical flow velocity.
当液体沿固体表面的流速超过临界速度时，出现滑移，这样能实现减阻；
When the flow rate of the liquid slipping along the solid surface exceeds that of a critical speed, slipping will occur and drag reduction will be realized consequently;
测量了该吸气流动在不同工况下的临界射流速度、速度场分布、有效作用范围。
Measures critical jet velocity, velocity field distribution and effective limits of this suction-airflow under different conditions.
可坍陷管中，当管流速度幅值超过临界速度时，会产生失稳和位移振荡。
When the maximum velocity of an oscillated flow in the collapsible tube exceeds the so-called critical velocity, the tube will become unstable and oscillate with displacement.
可坍陷管中，当管流速度幅值超过临界速度时，会产生失稳和位移振荡。
When the maximum velocity of an oscillated flow in the collapsible tube exceeds the so-called critical velocity, the tube will become unstable and oscillate with displacement.
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