特别注意了泵在气-液两相流瞬变工况的机理分析。
Special attention is devoted to the analysis of the mechanism of pump under gas-liquid two phase transient flow conditions.
本文介绍了离心泵在纯液相流瞬变工况的性能研究的一些进展。
This paper presents some advances in the study of centrifugal pump performance under pure liquid phase transient flow conditions.
根据这一结论改进空气卷吸率计算模型，很大程度上改善了准维模型对瞬变工况的适应性。
According to this conclusion, the air entrainment model and the robustness of quasi-dimensional model has been improved to some extent.
通过数值模拟方法分析供热管网的瞬变流动工况，对研究供热管网的具体水锤防护措施有参考价值和指导意义。
Through the numerical simulation to transient analysis in heating networks, it is consult value and guide significance for the water hammer protection measure.
文章详细讨论了原油管道瞬变流动的数学描述及有限差分求解方法，并分别分析了对简单管道和长输管道不稳定工况的仿真。
Discussed are the hydraulic transient equations of fluid transient in pipelines and the finite differential solution as well as the practical simulation of short or long pipelines.
液化石油气(简称LPG)装车泵因压力瞬变和环境影响而工况恶劣，造成该类泵密封使用寿命短，液化气泄漏严重。
The seal life of LPG loading pump is short because of instant changes of pressure severe operating cases caused by and environmental impact. Thus it causes serious leakage of LPG.
管道动力系统中非定常流动工况是不可避免的，并且在一定条件下，具有强瞬变特性。
The operating mode of the unsteady flow in the dynamic system of the pipeline is inevitable, and has the character of the strong transitory in certain cases.
管道动力系统中非定常流动工况是不可避免的，并且在一定条件下，具有强瞬变特性。
The operating mode of the unsteady flow in the dynamic system of the pipeline is inevitable, and has the character of the strong transitory in certain cases.
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