The drag of flow in pipes can be greatly reduced by adding a very small amount of high molecular polymer to water.
在清水里加入微量的高分子聚合物,可以大大降低管路阻力。
You can drag — from a catalog or service lists — the appropriate service, and then bolt that service into the rest of your application flow.
可以拖动相应的服务(位于目录或服务列表中),然后将此服务连接到其他应用程序流。
The flow of air over the surface of the ball was turbulent, which gave the ball a relatively low amount of drag.
球的表面流动的空气形成湍流,这使得球的阻力相对较低。
Drag and drop the broker archive on to the default execution group of the SampleBroker to deploy the flow.
拖放代理归档到SampleBroker的默认执行组来部署流。
Faster message flow development as a result of the ability to drag and drop nodes onto the message flow development canvas.
更快速的消息流开发,这是因为可以直接将节点拖放到消息流开发画布中。
The message flow Editor has been enhanced to enable the drag and drop of ESQL modules from an existing message flow into another message flow.
现在对消息流编辑器进行了增强,以支持将ESQL模块从一个现有的消息流拖放到另一个消息流。
Web services message flow development has been simplified with the addition of a new feature to support drag and drop skeleton message flow creation and configuration.
通过添加新功能来支持拖放骨架消息流的创建和配置,从而简化了Web服务消息流开发。
Drag an icon to the right of the Start operator that appears by default in your control flow design.
把一个图标拖到控制流设计中默认出现的start操作符的右边。
The pressure drag comes from the front of the swimmer exposed to the water and the flow separation behind the swimmer.
压力带来的阻力来自于游泳者的前部对水面以及后部流体分层。
If the flow drops to about 40 % of the rated flow, the HPRT stops producing power and a drag can be imposed on the main driver.
如果流量对大约40%的定格流量降低,那HPRT停止产生动力和一个下模能被强制加诸于主要的螺丝起子。
Reduced trunnion drag and energy waste because the trunnions on the VR taper bucket are positioned on the rear taper effectively reducing the area of the trunnion exposed directly to soil flow.
由于VR锥形铲斗的耳轴是在铲斗的锥形后部,有效地缩小了耳轴直接接触货流的面积从而减少耳轴牵拉和能量消耗。
On the Message flow editor canvas of my_wtx_flow, drag and drop a MQInput node from the palette under the WebSphere MQ category.
在 my_wtx_flow消息流编辑器画布中,从WebSphereMQ类别下的选项板中拖放一个MQInput节点。
Most of the tools use some kind of click-and-drag flowchart motif to model control flow.
大多数工具使用一些拖拉式的流程图来模拟流程控制。
Such parameters of flow characteristics are investigated as lift and drag coefficient and vortex shedding frequencies.
计算了圆柱的升阻力系数、尾涡脱落频率等描述绕流问题的主要参量。
In this paper the thermal drag and entropy generation of a heated pipe flow are analysed by means of numerical computation.
本文利用数值计算方法,对圆管加热流动的热阻力和熵产进行了综合分析研究。
The theoretical analysis of boundary layer in vane of centrifugal two-phase flow pump may provide a basis for flow drag in vane surface and a theoretical evidence to determine vane curve.
离心式固液两相流泵叶片的边界层的理论分析,可以为分析流体在叶片表面沿程阻力提供基础,进一步也可以为确定叶片型线提供理论依据。
The results of numerical analysis show that there exist relevant relations between the thermal drag and entropy generation of the heated flow.
数值分析结果表明,加热流动中的热阻力与熵产二者之间存在着对应相关的关系。
The last, through experiments of flume and water tunnel, the liquid slip effect on drag-reduction over super -hydrophobic surface for various flow conditions was researched.
通过水槽和水洞的实验,研究了超疏水性表面在不同流动条件下的减阻特性。
The change rules of aerodynamic parameters including lift coefficient, drag coefficient and pitch moment coefficient have been analyzed when Angle of attack and fuel flow rate is changed.
考虑了不同飞行攻角、不同燃料流率下气动参数,包括升力系数、阻力系数和俯仰力矩系数的变化规律。
The drag reduction of plane-surfaces with V-shaped grooves is given out by direct numerical simulation, and the drag reduction mechanism in the base of the secondary flow theory is suggested.
利用直接数值模拟方法求得平板上V—型条纹表面上的降阻情况,并给出基于二次流动理论的降阻机理。
Experiment investigation shows: The main body zero drag can be reduced by faovurable interference of jet flow. Then an optimuns afterbody configuration can be obtained.
实验研究表明,利用喷流的有益干扰,可使主弹体零阻显著下降,从而得到一种优化的后体外形。
And optimization computation for reducing drag of Shockwave of single airfoil in transonic flow is also successful.
同时进行了单段翼型跨音速降低激波阻力的优化设计。
Most of the natural river flows are non-uniform, but the start and the starting velocity drag force formula for formulas are based on uniform flow up.
天然河流大多属于非均匀流,但起动拖曳力公式和起动流速公式都是在均匀流的基础上建立起来的。
Through drilling experiment in 156 adjustment Wells, the drilling behaviors, cutter wear, downhole jet flow field and drilling effect of drag bits and roller ones were comparatively analyzed.
通过156口调整井钻井试验,对比分析了刮刀钻头和牙轮钻头的钻进特性、牙齿磨损特性、井底流场特性及钻井效果。
In this paper, under the gas-liquid stratified laminar and turbulent flows, and the mixture turbulence flow by aeration in pipe, the laws of drag reduction have been researched.
本文研究了圆管中气液分层层流、分层紊流及掺气混合紊流情况下的阻力减小规律。
A numerical method is given to calculate the unsteady lift, pitching moment and drag acting on an airfoil of rotors under attached-flow conditions in a compressible flow.
基于附着流状态下的旋翼非定常翼型气动模型,给出了计算该状态下的翼型非定常升力、阻力和俯仰力矩的数值计算方法。
Numerical methods for hypersonic flow with chemical non-equilibrium reactions on the unstructured grid are used to analyze the drag induction of channel-configurations.
在非结构网格上对二维高超声速化学非平衡粘性绕流进行了数值模拟,并应用此方法对涵道构型高超声速减阻特性进行了数值分析。
The effects of PLMA′s relative molecular mass, content, temperature and flow state on the drag reduction effectiveness and the shear stability were discussed.
考察了其粘均相对分子质量、质量分数、温度及流态对减阻效率、抗剪切稳定性的影响;
We study adaptive computation of drag-coefficient of flow around a cylinder.
研究圆柱绕流中拉力系数的自适应计算问题。
We study adaptive computation of drag-coefficient of flow around a cylinder.
研究圆柱绕流中拉力系数的自适应计算问题。
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