Aiming at the high vaporous pressure and easy cavitation occurrence of water, the cavitation flow in orifices using water as working media is analysed theoretically by applying cavitation model.
针对水的汽化压力高、容易发生气穴的特点,应用气穴模型理论对阻尼小孔中以水作为工作介质时的流动特性进行理论分析。
By means of depression model test, this paper researches cavitation characteristics of service gate slots for middle outlet works of Jishixia hydropower station.
本文通过减压模型试验对积石峡水电站中孔泄洪洞平面工作闸门槽的空化问题进行了研究。
Finally the application of the new modeling method to model test of cavitation and noise of propeller working behind is discussed.
最后讨论了新模拟方法在船后螺旋桨空泡与噪声模型试验中的应用。
The present paper deals with theoretical model of random sequence of exponential attenuate acoustic pulses caused by ship propeller cavitation noise.
探讨舰船螺旋桨空泡噪声指数衰减型随机脉冲序列的理论模型。
On the basis of above theoretical model, the spectrum formula of propeller cavitation noise has been derived.
据此理论模型,导得螺旋桨空泡噪声谱的表达式。
Based on the application practice of Komatsu diesel engine model 4d and 6d the cavitation phenomenon in cylinder liner is analyzed systematically.
本文针对日本小松4d、6d等型柴油机的使用实践,系统分析了缸套的穴蚀现象。
The effects of cavitation have also been taken into account by using a bubble two phase mixture model.
采用气泡两相混合介质模型研究空化现象。
It introduces the cavitation phenomenon of hydraulic turbine. The relationship between the cavitation factor and the water temperature is analyzed and it was verified by the model test results.
分析了水轮机的空化现象,推导了空化系数与试验水温的关系,并对推导结果进行了试验验证。
Established a mathematical model to simulate the instantaneous flow fields and cavitation by combining the weakly compressible fluid theory and the Large Eddy Simulation method.
建立了微可压缩流理论和大涡模拟方法相结合的空化流数学模型,为四川大学工学博士学位论文孔板泄洪洞空化初生的研究开辟了一条新途径。
This paper gives the measurement results of the background noise in SSSRI cavitation Tunnel and the cavitation noise of the ITTC standard propeller model.
本文给出了上海船研所空泡水筒的背景噪声和ITTC标准螺旋桨的噪声测量结果。
The mathematical model of cavitation cluster in the rotor impulse apparatus is developed.
建立了描述冲击式旋转机械中穴泡群特性的数学模型。
The boss vortex cavitation of propeller can be avoided by PBCF, and an increase of 2% in propulsion efficiency has been measured in the model tests.
桨毂帽鳍可改善毂涡空泡,模型试验状态下可提高推进效率2%左右。
At present, the laboratory comprises two parts: Ship model towing tank and Cavitation tunnel.
目前该实验室主要由两部分组成:船模试验池及空泡水筒。
At present, the laboratory comprises two parts: Ship model towing tank and Cavitation tunnel.
目前该实验室主要由两部分组成:船模试验池及空泡水筒。
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