oseen unsteady flow 奥新非稳定流
three-dimensional unsteady flow field 三维不稳定流场
unsteady flow model 非恒定流模型
groundwater unsteady flow 地下水非稳定流
unsteady flow performance 非稳态流动特性
3D unsteady flow field 三维非定常流场
unsteady flow pumping test 非稳定流抽水试验
oscillating unsteady flow 波动不稳定流
Unsteady Flow & Heat Transfer 不稳定流动与传热
The airflow of mine ventilation networks is seen as one-dimensional unsteady flow, and a unified mathematical model on ventilation network calculation is proposed during the periods of normal ventilation and emergency conditions.
将矿井通风网络中的空气流动作为一维可压缩流体的非定常流动,建立了矿井正常和灾变时期通风网络解算的统一数学模型。
参考来源 - 矿井正常和灾变时期通风网络解算的数学模型In designing the JT468Q's intake and exhaust system, the effect which unsteady flow has on charging efficiency is thoroughly considered.
在设计JT468Q汽油机的进排气系统时，充分考虑了不稳定流动对充气效率的影响。
参考来源 - 利用进排气系统的不稳定流动提高汽油机充气效率的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Working on this project will open a new road to explore the potential of unsteady flow.
对此方向的深入研究，对于进一步挖掘叶轮机非定常流动的潜力开辟一条新的道路。
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。
It is clarified by experiments that the flowmeter used for measuring unsteady flow is not only simple but also precise and practical.
实验证明，这种流量计不仅结构非常简单、实用，而且对非定常流量的测定具有较高的精度。
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