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
steady and unsteady flow 非定常流动
one dimension unsteady flow 维不稳定流动
unsteady flow performance 非稳态流动特性
D unsteady flow field 三维非定常流场
3D unsteady flow field 三维非定常流场
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
Numerical simulation of unsteady flow.
非定常流下的数值模拟。
The calculation results of unsteady flow in an exhaust manifold model are presented.
最后对一根模型排气管进行了不稳定的流场计算。
The main analytical method of unsteady flow in pipelines includes frequency domain analysis and time domain analysis.
管道中非稳定流动的分析方法主要有频域法和时域法。
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