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- Therefore, the calculation of quick transient flow in gas pipeline is ac... 特征线法物理概念明确,数学分析严谨,计算精度高。
- Improved optical flow method and its application in the study on FAE[J]. 引用该论文 周维;鲍远律;于俊;邓明之.
- The Numerical Results of the Transient Flow in the Reser voir with Constant Pressure Boundary. 均质圆形定压油藏不稳定渗流的数值解
- During the open and shut in period of a gas well, the gas flow within the borehole changes into transient flow. 气井开、关井过程中,井筒内气体的流动为瞬变流动,气体的压力、温度等流动参数是井深和时间的函数。
- In this paper,the partial differential equations of transient flow in the deformed penstock are derived. 本文给出了压力钢管压力脉动的偏微分方程；
- According to Newton-Raphson(NR) method, a new power flow method based on reliable power flow technique is proposed. 摘要根据牛顿法的基本原理，建立了一种基于辐射配网潮流技术的求解有环配电网潮流的新模型。
- Abstract： In this paper,the partial differential equations of transient flow in the deformed penstock are derived. 本文给出了压力钢管压力脉动的偏微分方程；
- Costs and returns for orchards at the above densities were examined by the cash flow method of analysis. 上述密植园的成本和收益是用现金周转分析方法决算出来的。
- Ikoku C U,Ramey HJ Jr.Wellbore storage and skin effects during the transient flow of non-Newtonian power-law fluids in porous media[Z].SPE7449. 向开理;涂晓青.;分形复合油藏非牛顿幂律流体不稳定渗流的数学模型[J]
- During gas drilling, both the alteration of the drilling parameters and encountering the reservoir will cause the transient flow of wellbore fluid. 气体钻井过程中,调整钻井参数或者钻遇储层都会引起井内流体的瞬态流动。
- THE EFFECT OF AIR FLOW METHOD TO THE MATHEMATICAL MODEL OF TRIPLOID OF POPULUS TOMENTOSA CARR. 三倍体毛白杨渗透率数学模型的研究。
- The transient flow in subsea pipeline induces the riser system vibration, then causes the system fatigue failure and reduces pipeline life. 摘要海底油气管道中流体的不稳定流动会诱发立管系统的振动，使立管系统弯头部位发生疲劳破坏，影响管道的使用寿命。
- The counting process of load cycles is fulfilled to make use of "the raindrop flow method". 采用雨流法完成载荷循环计数过程，并使该过程实现可视化。
- However, there has been only a little amount of information about the transient flow structure in the spool valve because of the essential difficulty of its unsteadiness. 可是,滑阀的瞬变流体结构由于其非稳定性的复杂所以有关的信息较少。
- Based on multi-port network theory and Norton equivalence theorem, this paper presents a new multiterminal HVDC power flow method. 以多端口网络理论和诺顿等值定理为基础，提出了一种新的电力系统多端直流潮流算法。
- Moreover, as a kind of turbulent model, Large Eddy Simulation (LES) can capture the transient flow information of every phase, which has attracted more attention. 特别是近几年发展起来的大涡模拟模型(Large Eddy Simulation, LES),由于可以捕捉到流场内各相很强的瞬态运动信息而倍受关注。
- This method that can sensibly evaluate diastole function of left ventricle is better than traditional mitral flow method. 该方法对左心室心肌舒张功能的评估更加敏感，优于传统的二尖瓣口血流法。
- The paper is based upon Aero-Optics theory, pursuing the methods and realization for measuring the density distribution of transient flow field in wind tunnel test. 本论文基于气动光学理论，研究在流场试验中检测高速瞬态流场密度分布的方法与实现。
- At present,the appropriation value evaluation method in corporation merges is discount cash flow method and asset value baic method. 目前比较适合国情的企业价值评估方法是贴现现金流量法和资产价值基础法。
- The analytical methods for gas liquid two phase transient flow were generalized.Different kinds of methods for studying fluid structure interaction were introd... 指出了目前两相瞬变流流固耦合研究中存在的问题,预测了流固耦合研究的方向应为两相流体瞬态时的流固耦合实验研究和耦合模型的数值计算方法研究。
