豎軸式水輪機 的英文怎麼說
中文拼音 [shùzhóushìshuǐlúnjī]
豎軸式水輪機
英文
vertical axis turbine- 豎 : Ⅰ形容詞（跟地面垂直的; 從上到下的） vertical; upright; perpendicular Ⅱ動詞（使物體跟地面垂直） se...
- 軸 : 軸Ⅰ名詞1. （圓柱形的零件） axle; shaft 2. （對稱部分的直線） axis 3. （圓柱形的纏繞器物） roller; spool Ⅱ量詞（用於纏在軸上的線以及裝裱帶軸子的字畫）
- 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
- 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
- 輪 : Ⅰ名1 （輪子） wheel 2 （像輪子的東西） wheel like object; ring; disc 3 （輪船） steamer; steamboa...
- 機 : machineengine
- 輪機 : turbine
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The tubular turbines are the best selection for exploitation of tidal power and hydraulic power with extremely low heads and extremely large flow rates. they have large discharge, high specific and high efficiency, and need less excavation. they have been classified into bulb, pit, siphon and " s " types in the light of their structural types
貫流式水輪機是開發特低水頭，特大流量水電站及潮汐發電的良好機型。該機具有開挖量小，過流量大，比轉速高等特點。按其結構型式分燈泡式豎井式軸伸式等。All of these is the important base of the selecting of turbines, the designing of hydrodynamics performance, and the general designing of marine currents power plant
首先分析了豎軸可調角直葉水輪機水動力性能計算的基本公式，介紹了誘導速度的兩類計算方法。Then as a typical example some results drawn by using the introduced methods of the vertical - axis cycloid turbine are given and compared with the experimental data. the purpose is focus on the validation of the introduced methods what are the foundations of the hydrodynamic performance calculation and the optimal method
然後以豎軸可調角直葉擺線式水輪機為例，計算了這種水輪機的各種水動力性能，給出了數值計算結果，對各種方法進行了分析並與已有的試驗結果進行了比較和研究，從而檢驗了各種理論計算方法的優缺點和可靠性。At last with the prototype of the vertical - axis cycloid turbine, the optimal method and its mathematical model based on conjugate gradient method are presented in order to enhance the energy conversion coefficient. such optimal results as the energy conversion and the relation between attack angle and azimuth angle are given with particular analysis to sum up the reason of the improved performance of the turbine
最後以豎軸直葉擺線式水輪機為優化原型，提出了一種水輪機水動力性能的優化計算方法，建立了數學模型，運用共軛梯度法進行優化設計，以提高水輪機的能量利用率為目標，給出了優化的葉片攻角變化規律、能量利用率結果，探討了能量利用率提高的原因。分享友人