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- unsteady flows of open channel 明渠非恒定流
- By using the method of characteristics, a shock fitting schemes for computation of gas dynamics is proposed and used to simulate the 1-D unsteady open channel flow of sudden dam break. 基于特征线上的相容方程和激波点处的间断条件,构造了一维溃坝涌波的一种拟合计算的显格式,并进行了一维矩形断面水坝瞬间全溃洪水波演进的数值模拟。
- Influence on Hydraulic Grade Line of Open Channel Nonuiform Flow of the Loss of Local Water Head 局部水头损失对明渠非均匀流水面曲线的影响
- Study on the hydraulic reaction of unsteady flows in open channel 渠道非恒定流水力学响应研究
- The unsteady flow indicates that the upstream wake can influence the boundary layer,wake and leakage flow of the downstream flow. 另外,非定常结果流动图画显示,在非定常环境下上游周期性尾迹的通过对下游叶片边界层、尾迹以及叶尖泄漏流的发展都有一定影响。
- Internal performance of unsteady flow of counterflow thrust vectoring nozzle has researched base on numerical simulation. 摘要基于数值模拟方法,研究了逆流矢量喷管非定常内流性能。
- A hydraulic model was developed to analyze the unsteady flow of a water supply system with long pipelines and an overflow weir. 在长距离输水管路出口设置溢流堰可以有效控制水击和防止管路脱空。
- As a qualitative analysis,finite element method gets a more satisfactory result in describing the propagation of the long wave of open channel unconstant flow. 作为一种定性分析,有限单元法对描述明渠非恒定流长波的传播给出了满意的结果。
- The wake flow of stator vanes and the unsteady flow in the passage of rotor blades were solved by using oscillating fluid mechanics theory and parametric polynomial method. 采用参数多项式方法和振荡流体力学理论,求解静子叶片后的尾流场及尾流场作用下转子叶片通道内的非定常流场。
- During oil production, pumping rod is eccentric in the long oil tube, in which flow of the swabbed fluid can be regarded as an unsteady flow of second-order fl. 在采油过程中,由于油井较深的缘故,抽油杆在油管中是处于偏心位置的,可以把聚驱井抽汲液在井筒中的流动视为二阶流体在内管做轴向往复运动的偏心环空中的非定常流动。
- Improved segment wave algorithm of unsteady flow in open channel and its application 无压瞬变流的改进断波法及其应用
- Using the transport equation for nematic liq-uid, the orientational motion of fiber spinning flow of liq-uid crystalline polymer (LC) is studied, including steadyand unsteady flows. 在取向运动输运方程基础上,研究液晶高分子纺丝拉伸流动取向特征、定常取向运动和非定常运动。
- Method of Characteristics for Calculation of Unsteady Flow in Open Channel With Linear Variable Trapezoidal Cross-section 线性变截面梯形渠道非恒定流计算的特征线法
- This paper presents analytical solutions to the partial differential equations for unsteady flow of the second-order fluid and Maxwell fluid in tube by using the integral transform method. 本文用积分变换方法分别给出了二阶流体和Maxwell流体管内不定常流运动方程的解析解.
- Based on the theory of unsteady flow of compressible fluid and the seepage theory of formation fluid, the mathematical model of the gas transient flow in the wellbore has been established. 基于可压缩流体不稳定流动理论及地层流体渗流理论,建立了气体钻井过程中井筒瞬态流动的数学模型。
- Environmental Hydraulics of Open Channel Flows 明渠水流的环境水力学
- In front of us we saw a stretch of open fields. 眼前我们看到一片开阔的田野。
- unsteady flow in open channel 明渠非恒定流
- An area of open water surrounded by sea ice. 冰间湖由海水冰围成的一块开阔的水域
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。