高頭水輪機 的英文怎麼說
中文拼音 [gāotóushuǐlúnjī]
高頭水輪機
英文
high head turbine-
This paper elaborates the parameters selection of the 700mw turbine for laxiwa power station located upstream yellow river, which is coming into construction soon. through statistical calculation of specific speed for turbines with large capacity, high operating head in domestic and oversea power station, utilizing turbine homologous theory. adopting regression statistic calculation method, it has got specific speed statistic equation., the demonstration of primary parameters selection, and the primary target parameters suitable for laxiwa power station
本文針對黃河上游即將開工建設的拉西瓦水電站700mw水輪機的參數選擇進行了研究,通過對國內外的大容量、高水頭水輪機的比轉速統計計算,利用水輪機的相似理論,採用回歸統計計算方法,統計出了比轉速統計方程,並進行了水輪機主要參數選擇論證,提出了適合拉西瓦水電站水輪機的主要目標參數。The impulse type turbines are the best election for high head and small discharge hydraulic power resources. they have compact structure, small size, and high efficiency and need fewer investments. they have been divided into turgo and pelton type
沖擊式水輪機是開發高水頭,小流量水力資源的最佳機構,它具有投資小,效率高,體積小,結構緊湊等特點。該機型又分斜擊式水斗式兩種。It is engaged in developing and producing the transmission parts, such as accurate gear wheel, axles, etc. the company has international advanced technology, and it has been developing over 20 new products, the following three products : motor startup gear, swing bearing and holing rack are the new high - tech product of jiangsu province
該公司為集團公司與海外留學歸國人員共同創辦的一家高新技術企業,致力於汽車用精密輪軸類等傳動產品的開發鍛造生產,技術水平達到國際先進水平。企業現已完成新品開發20餘項,其中自主開發的汽車啟動電機輪汽車電機啟動器用保持架電錘用擺桿軸承球頭短軸等三隻產品被認定為江蘇省高新技術產品。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。Research on vibration problem of hydraulic turbines under the high head and low output operation conditions
水輪機在高水頭低負荷工況下振動問題的研究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。For the sake of the research about hydroelectric interfere among machines, the article utilized the simulink in matlab as simulating tool, meanwhile established the simulating model about two high head diversion water turbines regulation system in violent fluctuating pressure sharing one head race tunnel and surge tank and one penstock. then calculated the load rejection transition process by means of the real parameters of a hydro power station, analysed the interfere of hydro power station safety and stable nenring brought by hydroelectric interfere and put forward a series of measures that lightening the hydroelectric interfere
為了研究機組間的水力干擾,本文採用matlab下的simulink作為模擬工具,建立共用有壓引水管道、調壓井、壓力主管的兩臺高水頭引水式水輪機調節系統大波動時的模擬模型,引入實際電站的參數,對甩負荷過渡過程進行了模擬計算,分析水力干擾對電站安全、穩定運行所造成的影響,並提出了一系列減輕水力干擾的措施。Through repairing the worn parts of four hydropower stations of xinzhuang, zaoqi, suide and qiemo, and taking some comprehensive anti - abrasion measures, such as checking and repairing the runner blade, cutting the head of blade into round shape, adding an apron to the outer edge of blade and increasing a guiding plate in the head of blade, a good effectiveness has been gained so that it increases the output of generating unit and enhances the abrasion resistant capacity
通過對新莊、棗渠、綏德、且末4個水電站的磨蝕破壞部件的修復、轉輪葉片測型與修型、葉片頭部割圓角、葉片外緣加裙邊、頭部加導流板等抗磨蝕措施的綜合治理,取得較好效果,使機組出力增加、抗磨蝕能力提高。The axial - flow turbine generator set is suitable for low head from 2m to 70. its feature is that the water flow passes through the runner axially. the axialflow turbine generator set can be classified into two forms according to the runner construction : one is fixed blades propeller for small variation of head and power, the other is movable blades kaplan for large variation of head and power
貫流式水輪發電機組是低水頭大流量電站的較好機型,一般適用於水頭2 ~ 15米,其特點是水流從進水口到尾水出口都是軸向的,流道基本上成直線,因而貫流式水輪發電機組具有水流特性好,效率較高等特點。Urbular turbine generator set is suitable for heads from 2m to 15m and large discnarge. its feature is that water flow is axial throughout the passage from the inlet to the outlet, so that the passage is straight conduit essentially. the tubular turbine generator set is characterized by good characteristic of water flow and high efficiency. etc
混流式水輪發電機組廣泛適用於高中低各種水頭,一般從10米至300米,其特點是水流流經轉輪葉片時先沿著幅向進入,然後逐漸變成軸向離開,因而混流式水輪發電機組具有運行可靠,結構簡單,平均效率較高等特點。Commonly used type selection methods for high water head hydropower set with pelton turbine are evaluated by means of technical and economical parameter comparison method on the practice of jingganshan mingzhu first cascaded hydropower station
摘要結合井岡山明珠一級電站水輪發電機組選型設計實踐,採用技術和經濟參數比較法評述高水頭沖擊式機組選型常用方法。Om, the electricity generated by turbine generator increased to 5. 0 million kw, which was relatively reasonable
如將設計水頭提高到37 0米,水輪機發電機出力增容到5After the modification, the characteristic of outlet water of the spray nozzle is changed and the outlet temperature of the cooling water from the spray nozzle is decreased. as a result, the coal consumption is reduced and the efficiency of the steam turbine is better
通過對噴濺裝置的改造,改變了噴頭的出水特性,從而降低了冷卻水出水溫度,提高了汽輪機真空和汽輪機熱效率,降低了煤耗,提高了機組運行的經濟性。分享友人