水力渦輪機 的英文怎麼說
中文拼音 [shuǐlìguōlúnjī]
水力渦輪機
英文
hydro turbine- 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...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 渦 : 渦名詞1. (漩渦) eddy; whirlpool; vortex 2. (酒窩) dimple
- 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
- 水力 : waterpower; hydraulic power水力剝離 [采礦工程] hydraulic stripping; strip with water; 水力采礦 hy...
- 渦輪機 : aeroturbine
- 渦輪 : [機械工程] turbine; worm wheel渦輪泵 [航空] turbopump; roturbo; 渦輪發動機 turbine engine; 渦輪風...
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Calculation for transverse force of vibration in turbine runner induced by draft tube surges
水輪機尾水管渦帶誘發的轉輪橫向激振力計算When water is pressurized beyond the critical pressure point, steam is produced to drive a turbine
當水加被加壓到超越臨界點的壓力,產生的蒸汽可以驅動一個渦輪機。Energy losses leading to a decrease in head are also done away with, likewise losses in flow rate from the screening installations, both of which can have a detrimental effect on the efficiency of the facility. the constructional effort required for a hydrodynamic screw is small compared to that required for a turbine. if the compact version of a hydrodynamic screw hydrodynamic screw trough power take - off unit combined as a single unit is used, the constructional effort can be further reduced
水力螺旋機技術的優點有:無需監控系統,可自行調節水體供給和供給頻率運行效率高於水輪機和小型渦輪機效率梯度平穩轉速低20rpm - 80rpm ,運行穩定防磨損無需定期清潔,易維護對河道湖泊里的魚蝦無損害基礎工事少,安裝簡便無堵塞,無需隔欄裝置能量利用充分等。In chapter 3, the subgrid eddy - viscosity model for large eddy simulation is applied to calculate the three dimensions unsteady periodic turbulent flow in yantan francis turbine. the pulsating characteristics of some main physical parameters in flow field are found. the calculated axial water thrust of hydraulic turbine agrees with the model - test value
第三章採用大渦模擬亞格子渦粘模型,對巖灘混流式水輪機的流場進行三維非定常湍流分析,得到了流場中各物理量的脈動特性,計算出ms的軸向水推力與模型試驗值大小相當;同時論證了對于下機架承重的混流式水輪發電機組可採用其推力軸承負荷作為水電站廠房振動的最大垂直激振荷載。The transient cfd simulation including the spiral case, stay vane, guide vane, runner vane and draft tube at different operation points is studied fitly, then the result of the pressure distribution on runner blade is provided for the runner transient structural simulation by fluid - structure interaction ( fsi ) method
文中首先對高水頭小負荷的渦帶工況下混流式水輪機內流場進行非定常cfd計算,得到渦帶工況下葉片表面不同時刻的水壓力載荷,並利用流固耦合方法對轉輪進行結構場瞬態特性計算,分析轉輪葉片的動應力特性。Through the utilisation of this energy, which is left unused by nature, an energy source is tapped, with whose help a part of our energy requirements can be covered, which would otherwise have to be covered by fossil fuels. the excellent properties of the hydro - dynamic screw are its minimal disturbance to the environment, the environ - mental friendliness and long service life. a capacity of 0. 1 to 5. 5 cubic meter per second and a head up to 10 m, enables it to utilise hydrodynamic powers which are ruled out for turbines for reasons of cost
水力螺旋發電機同傳統的水輪機和渦輪機相比具有優越性,其對環境的影響很低,環境友好且使用壽命長,而且高達5 . 5立方米秒的水體輸送容量和高達10米的水頭使其可以充分的利用水能,只要有1千瓦的能量也可以利用,運行效率遠高於渦輪機,且投資和運行成本低於渦輪機。Speed governing systems for hydraulic turbine generators units
水力渦輪發電機組的速度調節系統Numerical prediction of pressure fluctuation within francis turbine for large - eddy simulation
基於大渦模型水輪機壓力脈動的數值預測In the bible, the book of revelations says, " i stand at the door and knock. if anyone will open the door, i will come in to him and i will eat with him. " revelations 3 : 20 we push the button and we allow the power and the force of jesus christ to come into our lives and go through our lives and empower us with his spirit and his goodness
1972年, gamal abdel nassar總統為水壩主持開幕禮,他走進去,按下按鈕,他一按按鈕,水就開始流過渦輪機,渦輪機開始轉動,電力開始輸出,埃及蘇丹和鄰近地區都被照亮了,那按鈕並不能製造電力,它只是把能量釋放出來,電力是由水塘里二千億立方碼的水製造的,水流過水壩,推到渦輪機造成電力,我們跟神的關系也一樣,我們邀請耶穌基督進入我們的人生,這就是按按鈕。Then, four different computation methods are applied to compute the hydrodynamic performance of the rotor, which are single - disk single - tube method ( sdst ), double - disk single - tube method ( ddst ), multi - tube method ( mtt ) that are based on momentum theorem and vortex method ( vtth ) that is based on potential eddy theory
然後,採用基於動量定理的單盤面?單流管方法( sdst ) 、雙盤面?單流管( ddst )方法、多流管( mtt )方法以及基於勢渦理論的渦方法( vtth )計算直葉擺線式水輪機的水動力性能。Horizontal - axis turbines are the most common wind turbine design
水平軸渦輪機是最常用的風力渦輪發電機。The idea of using a liquid with a lower boiling point than water to drive a turbine is nothing new ? it has simply not proved worthwhile in the past
以低沸點液體作為動力的方法同用水驅動渦輪機相比並沒有什麼新穎之處? ?只是在過去認為這種方法不經濟罷了。分享友人