simple turbine 中文意思是什麼
simple turbine
解釋
單級汽輪機-
As to simple turbine, steam discards directly into atmosphere, or into condensator for cooling, then goes back to boiler for use
在簡單的渦輪機中，蒸汽被排入大氣，或進入冷凝器冷凝成水后流回鍋爐。 -
In order to extend its potential usage, the small hydro turbine should have a simple design with high performance to secure the stable operation
為了使小型水輪機得到更廣泛的應用，必須設計出結構簡單、水力效率高的機器以確保運行穩定性。 -
In this thesis, adopting compressible navier - stokes equations and compressible k - - e turbulence double model, studied 2d viscous flow field in wet turbine ' s separate - stage. coordinate transformation is made for the navier - stokes equations by using body fitted coordinate system, moreover, the flow field in 2d cascade is calculated by using the well - established simple method
本文採用可壓縮氣體的n - s方程，並採用可壓縮的-湍流雙方程模型，研究了飽和汽輪機分離級內二維粘性葉柵流場，採用貼體坐標系對n - s方程進行了坐標變化，並利用成熟的simple演算法對二維葉柵內的流場進行了計算。 -
As the basic work of the designing and evaluating of fuzzy gpss, the mathematic models of simple hydro - electricity system stability analyzing and controlling are founded and summarized which include the linearized model of hydraulic system - hydoturbine based on the linearized model of hydraulic system considering elastic water hammer and the linearized model of francies turbine, two different linearized model of single - machine infinite - bus system ( k1 - k6 model and c1 - c12 model ), the nonlinear model of single - machine infinite - bus system based on three - order model of synchronous generator, the model of exciting system and the model of governor
作為設計和評價水電機組模糊gpss的基礎，本文歸納建立了簡單水電系統穩定分析與控制的數學模型，它包括：計及彈性水擊的水力系統線性化模型、混流式水輪機線性化模型以及在此基礎上的水力系統?水輪機線性化模型；單機無窮大系統兩種詳細程度不同的線性化模型，即k _ 1 - k _ 6模型和c _ 1 - c _ （ 12 ）模型；基於同步發電機三階模型的單機無窮大系統非線性模型；勵磁系統和調速器模型等。 -
The result of the calculation for tip clearance is reasonable when it is compared with theory. two ways are put forward for convention of dimension of the turbine components from high temperature to low one, which is related with tip clearance, a simple example is used to illuminate that the two ways are useful, using the method of design optimization, axiisk and a blade of a certain turhine is analysed, it showes that the method of design optimization is feasible to be used for convertion of dimension of the turbine components. finally, ansys software is used to analyzed the variation of tip clearance with the method of cyclic symmetry analysis when engine works under the conditions of temperature and rotational speed, am using a new method to deal with thermal contact resistance in the calculation
本文完善了計算渦輪葉尖間隙的簡化演算法程序，增加了程序的計算功能，並將其應用於某高壓渦輪進行葉尖間隙分析，所得結果與理論結果進行了對比，得出修改後的程序用於葉尖間隙計算是合理的；同時提出了與葉尖間隙相關的渦輪典型部件的冷、熱態的尺寸兩種換算方法，使用優化設計的方法進行了實例分析，說明了所提出的計算方法是可行的；最後應用ansys有限元軟體利用循環對稱的方法分析了某型發動機高壓渦輪在溫度場及離心力作用下的葉尖間隙在發動機工作過程中變化情況，並分析了計算中的接觸熱阻的處理問題。 -
We accomplished the modeling, calculating and simulating, whose modeling are majored in some equations, calculating by using some algorithms. chapter 4 will research on the marine turbine generator simulating system. on account of the fact that marine turbine generator is simple in real ships, we make such generating system simpler
由於船舶廢氣透平發電機一般在大型油輪中使用，且船舶多種發電機聯合運行的船舶電站模擬器是一種培訓型模擬器，主要是操作功能的體現，因此，對船舶廢氣造平發電機的數學模型模擬作了一些簡單化處理。 -
A new and simple method for drawing equi - efficiency locus on combined operation characteristics of hydraulic turbine
水輪機運轉綜合特性曲線中等效率線的簡捷新繪法 -
The calculating results of some actual examples show that the present method is simple and accurate ; and it offers a foundation for the quantitative calculation of all kind of condensing steam turbine thermal system
經實例驗證，該數學模型簡捷、準確，為二次再熱超臨界機組和其他不同類型凝汽式機組熱力系統熱經濟性的定量計算奠定了基礎。 -
In this paper, the status quo of the tip clearance of aero - engine is surveyed, the theory and the method of the numerical computation of tip clearance are introduced, the simple tip clearance calculation program is modified and refined and the computation method of the turbine temperature field is improved
本文闡述了國內外航空發動機葉尖間隙的研究現狀，介紹了渦輪葉尖間隙計算的理論和方法。對渦輪葉尖間隙準二維計算程序作了修改和完善，改進渦輪部件溫度場的計算方法，增加了變量顯示/修改、程序控制和結果顯示界面，使軟體更加直觀，實用。 -
3 ) the chosen single case turbine is suitable to satisfy the compress rate demand in the project, and if the thimble reheat take the bushing heater as the model, the simple parameter change of the bush and working path can make it reach the demand
3 ）經過選型的單級壓氣機可以滿足設計方案中對壓比的要求，其穩態參數也符合設計值；同時，若採用與吸熱器類似的套管式回熱器，則只需要根據實際情況修正套管及工質流道的幾何參數就可以達到設計要求。 -
First, variable speed constant frequency wind energy convertion theory is described in this paper, then presents a review on the development of wind turbines control and the main types of generator and static converters used to interface variable speed wind turbines to the electric grid. then discuss main circuit constructure and advantage of direct drive wind energy conversion system and introduce pitch - control method for wind power traction and electric power stability. simply aerodynamic characteristic of the turbine is analysised and permanent magnet synchnonous generator math model is established. to convert the variable frequency electricity into utility grid, back to back four - quadrant pwm - vsi is used and three typies of control strategy is presented to capture the maximum wind energy and transmit energy. then simulation is implemented to test the control strategy. in the following chapter a simple ac - dc - ac converter with a dc - dc boosting chopper is proposed to transmit the wind energy into electricity energy and two control strategy is presented
建立了永磁電機和變流器的數學模型，針對雙pwm變頻器的特點提出了三種控制策略對變流器進行控制，通過變流器交-直-交的變換，將發電機發出的變頻變幅值交流電轉化為可用的恆定頻率的交流電，通過pwm調治能使其輸出功率因數為一，並且該控制系統功率因數為可調，能在特殊情況下同電網交換一定的無功功率，並通過對變流器的控制實現了最大風能俘獲的功能。最後採用matlab / simulink進行了模擬，取得了良好的模擬效果。在風力發電系統中，採用先進的最大功率俘獲演算法，能有效的從風中獲得最大的能量。
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