cavitation coefficient
英
美
网络 空化系数
双语例句
- With the decrease of cavitation factor, the length of supercavitation gradually increases in the body and the total drag coefficient gradually reduces;
随着空化数的减小，超空泡在弹体上的长度逐渐增大，总阻力系数逐渐减小； - Accurate confirmation of hydro-turbine output with critical cavitation coefficient
利用临界空化系数精确确定水轮机出力 - Cavitation Monitoring System Based on Surface of Critical Cavitation Coefficient
基于临界空化曲面的空化监测系统设计 - This paper presents the major parameters of hydraulic turbines one by one, such as rated head, specific rotating speed and specific speed coefficients, unit flow, unit speed, cavitation coefficient, efficiency, stability etc.
对构皮滩水电站水轮机的额定水头、比转速及比速系数、单位流量、单位转速、空化系数、效率、稳定性等逐一进行论述，介绍了基本参数和参数水平。 - In this paper, from Bernoulli's equation of silt-laden water flow, the formulae of cavitation coefficient and static draft head of a hydraulic turbine in silt-laden water flow are ascertained theoretically.
本文以含沙水流时的伯努利方程为依据，从理论上推导了含沙水流时水轮机的汽蚀系数与吸出高度计算公式； - The investigation shows that the length and aspect ratio of ventilated supercavity decreased when ventilated cavitation number increased, and the drag coefficient of vehicle decreased when the aspect ratio increased.
研究表明，通气超空泡的长度和长细比都随通气空化数的增大而减小，航行体阻力系数则随长细比增大而减小。 - However, for bulb turbine, the discharge is large, the number of runner blades is less, the total area is small, cavitation coefficient is large, Intensity condition is bad, as a result, the application head is limited.
但由于贯流式水轮机转轮叶片数少，叶片总面积少，而过流量又较大，气蚀系数大，且叶片强度条件差，故其适用水头是有限的。 - Moreover, the cavitation coefficient that can describe the strength of cavitation is definitude. It has a good consistency with the theoretical maximum sound pressure.
此外，定义了描述空化强弱的空化系数K，并将其与通过理论计算所得的空泡振动最大声压进行比较后发现两者有着较好的一致性。 - The actual operation shows that the equipment cavitation is very serious by the method of setting cavitation coefficient in many cases.
实际运行表明在很多情况按该方法设定空化余量的水力机械设备空蚀情况非常严重。