tip speed 中文意思是什麼

tip speed 解釋
槳尖速度
  • tip : n 1 （塔、手指、尾巴等的）尖，尖端，頂端，末端，梢。2 裝在末端的東西，加固末端的金屬環[箍]；鞋尖...
  • speed : n 1 快，迅速。2 速率，速度。3 （汽車的）變速器，排擋。4 （膠片，照相紙）感光速度。5 〈古語〉興隆...
  1. In the vscf system, the tip - speed ratio of wind turbine is almost retained at a constant value during a wide range of wind speed, which can improve the efficiency and stabilization of the system. it also can be connected to the grid without any voltaic strike

    交流電機變速恆頻風力發電系統是20世紀70年代中後期以後逐漸發展起來的一種新型發電系統，變速恆頻風力發電技術因其高效性和實用性正受到國內外越來越多的重視。
  2. In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data

    為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律，並耦合進氣畸變的影響，同時與壓氣機氣動性能和氣動穩定性相關聯，作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機（ lsc ）試驗器，採取在靜子葉片表面埋入動態壓力傳感器的實驗方法，對葉尖、葉中和葉根三個截面的動態壓力進行了測量，獲得了大量的可靠的實驗數據。
  3. Speed up your forward stroke and then quickly stop your rod tip. this is called the speed stroke

    快速向前拋投，然後，即刻收住竿筲。這被稱為快速拋投。
  4. 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。
  5. 2 % 22 % and 29 % respectively less than using other three knives at cutting speed of 500mm / min when the moisture contents of rootstalks was 48. 2 %. the cutting forces were tested at four different parts of rootstalk that were the middle part along a radius, the tip part along a radius, the middle part along axis and the stalk part along a radius, and the force at the middle along a radius is the largest and increase 32 % 45 % 111 %, respectively more than at the other three parts. the force increase 37 % to cut the rootstalks from the areas one crop a year more than that from two crops a year

    試驗結果表明，根茬含水率愈高，剪切力愈小，根茬含水率與剪切力近似為二次曲線關系；刀片剪切速度愈快，剪切力愈小；凸曲線、斜線、凹曲線和直線四種不同的刀刃曲線對整株根茬剪切力依此由小到大，凸曲線和斜線剪切時有一定程度的滑切作用，所以剪切力相比較小，當根茬含水率為48 . 2 ，剪切速度500mm min時，與其他三種曲線相比凸曲線型刀刃的剪切力依次分別減少了7 . 2 、 22和29 ；對根茬中部、梢部和根部的剪切力，在相同試驗條件下，徑向中部最大，比梢部，軸向根部和根部莖稈所需剪切力分別增加32 、 45和111 ；當含水率為48 . 2 ，刀片的剪切速度為500mm min時，一年一熟玉米根茬比一年兩熟的玉米根茬剪切力增大37 。
  6. Tip t323 - unless you have a lot of ram and computing power, using a desktop wallpaper consumes memory and decreases the display speed since it must be re - painted when needed

    小帖士t323除非你有很多內存和計算空間，不然使用顯示背景會減少內存並降低顯示速度，這是由於在需要時，背景會不斷重復刷新顯示。
  7. Application research of plc on the casting tip stream distribution control system for thin - gauge high - speed roll casting

    電液伺服馬達超低速性能的實驗研究
  8. The company is a manufacturer of precision automatic lathe with speed, precision, stability and quiet characteristics, widely used in automobiles, electronics, watches, glasses, lighting the tip of a pencil, photoelectricity, bathrooms, the panel machinery, electrical components and other precision machining

    本公司生產的精密自動車床具有高速、精密、穩定及安靜的特點，廣泛適用於汽車、電子、鐘表、眼鏡、燈飾、筆尖、光電、衛浴、事務機械、電器等精密零件的切削。
  9. The main technological characteristics include not only the integrated optimizing design of variable speed and constant frequency, ensuring the wind turbines to adapt to diversified wind plants with different temperatures and geographical conditions, but also the maximum wind power captured at optimized tip speed ratio below the rated wind speed and security protection of constant power output above the rated wind speed by variable pitch regulation

    主要技術特點是整體綜合優化設計、變速恆頻運行、適合不同氣候特點和地理環境的風電場；風機全翼展變漿距功率調節、額定風速以下最佳變速比運行最大風能捕獲、額定風速以上恆功率輸出具有安全保護功能。
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