進水輪葉 的英文怎麼說

中文拼音 [jìnshuǐlún]
進水輪葉 英文
entering blade
  • : 進構詞成分。
  • : 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...
  • : Ⅰ名1 (輪子) wheel 2 (像輪子的東西) wheel like object; ring; disc 3 (輪船) steamer; steamboa...
  • 進水 : admission pipe
  1. Because of the technical complexity of the turbine for the three gorges project and on the basis of several important technical problems which have been defined in the international bidding documents for 14 generating units in the left bank power station, the owner of the project has decided another some important technical problems based on appraisal and comparison in the bid appraisal stage after the bidding documents are analyzed and the tender documents are cleared by the tenderers

    由於三峽工程機技術上的復雜性和挑戰性,在左岸電站14臺機組國際招標文件已明確了若干重大技術問題的基礎上,在機組議評標階段,對招標文件行分析和投標商對投標文件行澄清說明后,經評議比選,業主又決策了幾個重大技術問題,主要有:機設計頭的確定,負傾角機的應用,兩套力設計,舍棄初期轉,蝸殼壓試驗等。
  2. Based on the demand of power department, a full distributed multifuncitional monitoring device is studied. this instrument not only can measure the data of hydroelectric plant, but also integrate the funcition of control the dynamotor, by cooperate with the program of epigynous system, it can realization the auto generate electricity on the hydroelectric plant and ordinal startup - stop of the dynamotor. 2 furthermore, performance of integrated dft arithmetic enhances the acturacy and reliability of measure. by communication several devices can run online to be controlled dispersedly and managed centrally

    本文分析了國內外電站自動控制裝置的研究和發展狀況,尤其是國內小型電站的自動化現狀,針對現有電力部門的需求,設計並實現了一種單元式的微機自動監控裝置,該裝置不僅實現了對電站內各種模擬參數和數字信號的實時監測功能,還對發電機組行了調控,通過與上位機處理程序的配合,可以實現電站的自動發電控制、機組順序啟停;在測量發電機組機端電壓和電流參數的時候,採用32點離散傅立演算法( dft ) ,增加了測量的準確性和可靠性;通過通訊可以實現裝置的聯網運行,做到「分散控制、集中管理」 。
  3. A pcc based stepping motor driven dual control governor for kaplan turbine is presented in this paper. the governor adds the function of adaptive control of blades and radius basis function cam network based on the current pcc based stepping motor driven single control governor

    該調速器在當前pcc步機單調整調速器的基礎上引入了槳自適應控制和基於rbf網路的協聯裝置,可定期對轉槳式機協聯關系行自校正,保證機始終運行在較高效率區。
  4. Research on kinematic analysis founds the theoretic base for farther study. ihca will be a new way to solve the inverse kinematic problem. it may be used for reference to the blending of multi - subject that the advanced technology in intelligent artificial is successfully used to solve the inverse kinematic problem

    形現場檢測機械臂運動學的研究為一步的控制研究打下了良好的理論基礎;智能登山法巧妙的將人工智慧中的搜索演算法應用於機器人運動學逆解的求取,為機器人領域求取運動學逆解提供了一條新的途徑,對實現了多學科之間的融合也有一定的借鑒意義。
  5. 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

    文中首先對高頭小負荷的渦帶工況下混流式機內流場行非定常cfd計算,得到渦帶工況下片表面不同時刻的壓力載荷,並利用流固耦合方法對轉行結構場瞬態特性計算,分析轉片的動應力特性。
  6. From the experimental results, conclusions of particles " trajectories can be drawn for different densities and operating conditions. three axis segments were acquired, and three operating conditions were picked to study the distribution traits of particles inside the impeller under the different quality and concentration of the particles. based on the results, local wear of pump was forecasted and protecting measures were brought forward

    得到運行工況對單個粒子運動軌跡的影響以及不同密度(質量)的單個粒子運動軌跡變化規律;沿軸向取三個測量斷面,分別在三種不同運行工況下,研究各個斷面間(內)粒子分佈特徵,以及粒子質量和濃度對這種分佈特徵的影響;根據實驗結果,對輸送不同固液兩相流介質時,泵局部磨損行了預測並提出了一些防護措施。
  7. For the vertical - axis variable - pitch cycloidal rotor, the article unify hydrodynamic performance symbol at first, classify and trim the calculation methods and formula of predicting fluid dynamical capability of water - power rotor and wind - power wheel that have been formed up to now

    對于可調角直擺線式機,首先統一定義了動力性能符號,將已有的力與風力轉的流體動力性能理論計算方法和計算公式行分類和整理。
  8. 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擺線式機為例,計算了這種機的各種動力性能,給出了數值計算結果,對各種方法行了分析並與已有的試驗結果行了比較和研究,從而檢驗了各種理論計算方法的優缺點和可靠性。
  9. In this paper, some off - line manual methods for regulation of flow equation have been compared and analyzed. based on pid speed governor of turbines, two kinds of governors are designed for adjustable - blade pump, which can perform autoregulation on water height of the fore bay and on pump output by adjusting the blade angle of adjustable - blade pump. the computation models of the two kinds of governors are also offered and the transient simulation can be done on pc

    文中,比較分析了現有的多種離線手動調節流量平衡的方法,在機pid調速器的基礎上,針對轉槳泵設計了兩種新型調節器,通過改變轉槳泵的片安放角,分別能對泵站前池位和泵的輸出流量行自動調節;提出了兩種新型調節器的計算模型,使轉槳泵在線自動調節動態模擬得以在微機上得以實現。
  10. Introducing and exploring a repair robot used for welding and grinding on the turbine blades is very useful for those plants

    為了減少此項工作的勞動強度,提高維護、維修的效率,我們引並自行開發了用於機轉片修復用的專用機器人。
  11. The consequence of computation indicated above method not only can approach turbine blade surface accurately but also can be provided for extend and intersection while the precision can be controlled. it realized anticipated goals of the application of turbine blade and engineering exercises. thus, it provide the foundation to the reconstruct and optimize design of turbine blade as well as the cam of turbine blade

    算例結果表明,上述方法不僅可精確擬合混流式、軸流式機轉片,而且還能對行求交、延展運算並控制精度,實現了nurbs曲面造型技術應用於片設計和工程實際的預期目標,為片的改型設計和優化設計、片的計算機輔助製造打下了基礎。
  12. 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

    最後以豎軸直擺線式機為優化原型,提出了一種動力性能的優化計算方法,建立了數學模型,運用共軛梯度法行優化設計,以提高機的能量利用率為目標,給出了優化的片攻角變化規律、能量利用率結果,探討了能量利用率提高的原因。
  13. Finally, the analysis examples were presented combined with some real data from hydroelectric set, they showed that numerical simulation of fluid - solid coupling for vibration in this paper is more available and the natural frequency of guide vane in water is lower than that of in air

    運用ansys有限元軟體計算了機導在空氣中的振動特性以及液固耦合振動的頻率和振型,並對二者行比較,分析了影響振動的因素。通過算例表明,所採用的有限元數值模型合理,計算結果正確。
  14. Secondly, it realized the whole structure of francis turbine blade surface. thirdly, it accomplished the computation of blade incidence

    第三,針對片的特點,完成了各圓柱面口安放角的求解演算法。
  15. Therefrom, the finite element movement equations of moving characteristics of blade is derived and the finite element movement equations of vibration characteristic is gained

    由此,推導出空間八結點非協調單元描述片運動特性的片運動有限元方程,一步得出了片振動特性的有限元方程。
  16. In order to lessen labor intensity and increase the welding and grinding precision and efficiency of the robot, introducing and exploring a repair robot used for welding and grinding on the turbine blades is very useful for those plants

    為了減少人工修復的勞動強度,提高維護、維修的質量和效率,我們引並自行開發了適合於我國國情的片修復專用機器人。
  17. The numerical simulation computations of the three dimensional viscosity fluids are done to research the turbomachinery properties, which includes the determination of the computation equation, the finite mesh and the determination of boundary conditions

    行了片切割前後轉內部三維粘性流的數值模擬計算,其中包括方程的確立、方程的變換和離散、邊界條件的確定。
  18. 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

    混流式發電機組廣泛適用於高中低各種頭,一般從10米至300米,其特點是流流經轉片時先沿著幅向入,然後逐漸變成軸向離開,因而混流式發電機組具有運行可靠,結構簡單,平均效率較高等特點。
  19. According to the theory of electromagnetic fields, the large salient synchronous generator with fractional stator slot are calculated and analyzed by the finite element method ( fem ) in this paper. the fourier analysis method is applied to decompose the air gap magnetic density into the basic spatial component and a series of harmonic components and wave shape eigen coefficient of air gap magnetic field are calculated

    本文根據電磁場理論,從耦合場的弱耦合角度首先計算了定子具有分數槽繞組的大型發電機的電磁場,採用付立諧波分析的方法把氣隙磁密分解為空間基波和一系列諧波,而計算出氣隙磁場波形特徵系數。
  20. In this paper, at first the cfd simulation including the spiral case, stay vane, guide vane, runner vane and draft tube at different operation points is studied, then the result of the pressure distribution on runner blade is provided for the runner structural simulation by fluid - structure interaction ( fsi ) method

    本文首先對混流式機全流道內流場行了多工況的cfd計算,得到不同工況下轉片表面壓力載荷,並利用順序流固耦合方法對轉在各種工況下的應力特性行計算。
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