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- oseen unsteady flow 奥新非稳定流
- When is a Flow Compressible [For Both Steady and Unsteady Flow]? 什么时候流动是可压缩的[对定常和非定常流来说]?
- It describes unsteady flow toward a discharging well in an extensive aquifer. 它描述位于广阔含水层中的抽水井的非稳定流。
- Additional visual observations are usually in order to establish the advent of unsteady flow, intermittent stall, and full stall. 通常采用另外一些目视法来确定非常定流断续失速和全失速的出现。
- Thus, a new approach was available to utilize the potentiality of intrinsic unsteady flow. 为固有非定常潜能的利用提供了一类新途径。
- Once producing by socker rod pump, the velocity and pressure of liquid are changing with the time in unsteady flow. 在有杆泵抽油生产条件下,流体的速度和压力都随时间变化,处于非稳定流动状态。
- The governing equations are the usual Navier-Stockes equations for the unsteady flow. 推导了控制方程在特定坐标系空间的表达,给出了适当的边界条件。
- In the case of over-penetration, unsteady flow structures are induced by impinging between the opposing jets. 在射流过度穿透条件下，异向射流的碰撞引起非定常流动结构；
- Dual time-stepping approach in conjunction with LU-SGS implicit method was used to solve the unsteady flow fields. 非定常流场计算采用了双时间步法与LU-SGS隐式解法耦合的方法。
- The pentahedral bicharacteristic curve grid can be applied to investigate the thrust misalignment characteristics in a unsteady flow. 证明五面体双特徵曲线网格方法可用来研究非定常流动条件下的推力偏心特性。
- The unsteady flow fields in baffled stirred vessel were simulated by unstructured tetrahedral mesh and sliding grid technique. 摘要采用非结构化四面体单元，利用滑移网格技术模拟了搅拌设备内的非定常流场。
- 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。
- In this paper a model test is reported about the research of unsteady flow within the tailrace tunncl of an underground hydropower station. 本文利用模型试验的方法,对采用施工导流隧洞代替地下力水电站的尾水隧洞,进行非恒定流的试验研究。
- The results of numerical simulation demonstrated the development of the unsteady flow field, and the unsteady waves and vortexes were discussed. 数值模拟结果形象地反应了非定常流场的演变，详细讨论了激波和涡等的发展变化过程。
- It includes concept of oceanic flow, geostrophic flow, wind flow, gradient flow, bottom friction flow, and unsteady flow. 需要6个学时。
- Lastly, the results of unsteady flow point out, counterflow thrust vectoring nozzle is a efficiency fluidic vectoring nozzle. 最后，非定常流的结果进一步表明，逆流喷管是一种较高效率的射流式矢量喷管。
- The relationship between unsteady flow and blade loading distributions is very important in the design of turbomachinery. 叶轮机内部非定常流动与叶片表面负荷分布之间的关系对于叶轮机的设计非常重要。
- A theoretical analysis has been made of the problem of unsteady flow phenomenon called rotating stalls in axial compressors. 对轴流式压缩机中不稳定旋转脱离流动现象通过平面叶栅方法进行了理论分析。
- The unsteady flow in oil pipeline can be effectively analysed by use of different numerical methods as well as computers. 输油管道中油品的不稳定流动问题,可以采用各种数值法并借助计算机进行有效分析。
- 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。
