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- The vortices shedding frequency calculation model proposed by this paper can be used to predict the shedding frequency of the Karman vortices for hydraulic turbines design. 本文建立的水轮机固定导叶和活动导叶后卡门涡频率预估模型,可在设计阶段进行叶片绕流卡门涡频率的预估。
- For these sorts of the bodies, the present computation gives the average drag coefficients, the Strouhal number is related to the shedding frequency of the separation vortices, and the flow pattern. 对这两类物体,计算的平均阻力系数,分离涡脱落的Strouhal数以及流态都与实验接近。
- Some analysis must be done previously for coupling analysis of flow and structure, such as characteristics of complex unsteady aerodynamic force, vortices shedding frequency, vibration mode and vibration characteristic of blade, etc. 分析叶轮机械通道内部复杂非定常气动力特征和旋涡频率特性,掌握叶片的振动特性、叶片的振动模态,是采用流/构耦合分析研究叶片振动的前提。
- Such parameters of flow characteristics are investigated as lift and drag coefficient and vortex shedding frequencies. 计算了圆柱的升阻力系数、尾涡脱落+频率等描述绕流问题的主要参量。
- The snow has banked up against the shed. 雪在小屋旁聚积起来。
- She shed crocodile tear over his death. 她为他的死而假哭了一场。
- Some kinds of deer shed their horns. 鹿有些种类能脱换鹿角。
- He left his bicycle in the shed. 他将脚踏车放在车棚内。
- This method can help students shed inhibitions. 这一方法能帮助学生去除顾虑。
- The gardener's tools are kept in the shed. 花匠的工具放在小屋里。
- He varied the transmission frequency. 他变换了无线电传送的频率。
- Most trees shed their leaves in autumn. 大多数树在秋天落叶。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位,等于每秒一周
- The explorers rigged up a shed for the winter months. 探险家匆促搭建了一座冬用的小屋。
- A study on vortex shedding frequency of blade profile and cylinder in cascade tunnel 对圆柱和二维扩压叶栅在平面叶栅风洞中旋涡脱落的试验研究
- Napoleon Bonaparte shed much blood in his European wars. 拿破伦·波拿巴在他的欧洲战争中使人民血流成河。
- I managed to scrounge the materials to build a shed. 我设法弄来点材料搭个棚子。
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- Heat effect on vortex shedding frequency spectrum on heated circular cylinder in liquid cross flow 液体横掠热圆柱体时旋涡脱落的频谱分析
- The hammer belongs (in the shed) with the rest of the tools. 这把锤子通常和(工具房的)其他工具放在一起。