槳葉角 的英文怎麼說
中文拼音 [jiǎngyèjiǎo]
槳葉角
英文
angle of propeller blade setting-
The characteristics of wind turbine generators as well as features of the fixed pitch wind turbine generator and the variable pitch wind turbine generator are presented, emphasizing on the variable speed constant frequency ( vscf ) generating system based on doubly - fed generators and on the control system for pitch angles
在簡述風力機特性的基礎上，介紹了定槳距和變槳距發電機組的特點，重點分析了基於雙饋發電機的變速恆頻發電系統及槳葉節距角控制系統。The result of computer and analysis based on blade elements theory shows us that we can regulate the rotate speed of wind turbine rotor by changing set angle and pitch h. variable - pitch system is the key component of the whole wind turbine, which can assure safely pitch - control and brake
本文利用葉素理論，經計算分析得出：通過改變風力機安裝角可以改變槳距h ，從而改變風力機的轉速。變距機構是變槳距控制型風電機組實現變距控制和安全剎車的關鍵機構之一，它的運動由平動和轉動兩部分組成。In order to predict hydrodynamic characteristics a computational system is developed including determination of the pressure distribution on a wing section by use of the conformal mapping method and panel method respectively and of the flow in boundary layer according to the thin shear layer approximation ( tsl ) for navier - stokes equation approach. the wing sections of naca4412 and naca0012 are applied to test the computational system. the numerical inspection shows that the panel method with better precision and the momentum and the displacement thickness of boundary layer can be used to complete this calculation
本文分別用守屋的保角變換法和基於源匯渦分佈的面元法，建立了計算槳葉表面壓力分佈的數學模型；應用納維-斯托克方程的薄層近似理論模式和有限差分數值方法，建立了計算機翼表面邊界層內部流動的數學模型；應用槳葉表面邊界層內部粘性流動和外部勢流流動在邊界上的匹配演算法，建立了槳葉表面二相流流動的計算方法和相應的計算機程序。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，在水輪機pid調速器的基礎上，針對轉槳泵設計了兩種新型調節器，通過改變轉槳泵的葉片安放角，分別能對泵站前池水位和泵的輸出流量進行自動調節；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。A variable vector propeller, called the " varivec propeller ", is under development as a new propulsion system for the undersea robot. the varivec propeller is a kind of specific propeller that is capable of continuously generating any degree of thrust in any three dimensional direction by varying blades " pitches cyclically in the process of rotation and responds easily to the slightest change in the robot
全方向推進器是一種在運動過程中螺距角可以變化的螺旋槳，該推進器是一種全新的設計，它最大特點是通過葉片螺距角在槳葉旋轉的過程中周期性的改變，產生前後、上下、左右六個方向的推力，並可以容易的對海洋機器人的微小運動作出反應。分享友人