螺旋面 的英文怎麼說

中文拼音 [luóxuánmiàn]
螺旋面 英文
helicoid; helicoidal; helical convolute; helical surface; helicoidal surface; screw surface; skew helicoid; skewed surface; spiral surface
  • : 1. [動物學] (軟體動物) spiral shell; snail; conch 2. (螺旋形的指紋) whorl (in fingerprint)
  • : 旋Ⅰ動詞1 (旋轉) whirl 2 (用車床切削或用刀子轉著圈地削) turn sth on a lathe; lathe; pare Ⅱ名詞...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • 螺旋 : 1 (具有螺紋的圓柱體 屬于斜面類的簡單機械) corkscrewspin; screw; spiral; helix 2 (螺旋現象;尾旋...
  1. Spirochetes and organisms that show gliding movement can move over or through an agar gel.

    體和其他滑動的生物能在瓊脂表或裏滑行。
  2. Airscrew blade area

    槳葉
  3. This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization

    本文以拉格朗日方程為理論基礎,對慣性制動器在制動時的振動進行數學建模,然後用matlab對其進行模擬,得出了慣性制動器在制動時振動角頻率分別與制動環和摩擦片之間的摩擦系數、制動力的平均半徑、主動頂和花鍵軸的轉動慣量、慣性制動器的凹凸螺旋面升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數、主動頂和花鍵軸的質量、慣性制動器除主動頂和花鍵軸外其他部分的轉動慣量和、頂壓套的質量等慣性制動器各零部件的物理參數之間的關系,為慣性制動器的結構優化提供了理論依據。
  4. Helical-corrugated pipe can deliver more sediment with a given power input than either standard corrugated or plain pipe.

    皺紋管與標準皺紋管或平整的管道相比較,可以輸送更多的泥沙。
  5. In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane

    本論文系統研究了自主式水下航行器的建模、非線性自適應滑模控制、以及深度調整和水平導引方法等問題,具體成果和創新點如下1 、根據流體力學理論,建立了槳推進器的動態模型,它以槳來流速度v _ p和槳轉速n為狀態變量,以電機施加轉矩為輸入,槳推力t和轉矩q為輸出。
  6. Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results

    這種方法的積分方程的積分核里含有復雜的微積分運算,為了簡化計算,本文在推廣的海倫積分方程的基礎上,對方程進行了簡化,推導了nakano方程,並以平阿基米德天線,平等角天線,軸向模圓柱天線,具有固定升角的圓錐天線和圓錐等角天線為例,用矩量法求解了天線上的電流分佈,研究了天線輻射的寬頻帶特性,所得的結果均與參考文獻吻合很好。
  7. Lumped equivalent circuit of planar spiral inductor for cmos rfic application

    電感的集總等效電路
  8. Slopping floor with express helical down ramp

    樓地板附設狀快速下樓匝道式
  9. Study on design method for normal helicoid blanks based on spatial quadrilateral elements

    基於空間四邊形單元的正螺旋面下料圖設計方法
  10. As it is impossible to machine the helicoid gear surface with large module and a few teeth by gear generating, a four - axis milling was developed in this paper

    摘要針對大模數少齒數齒輪的加工特點,結合漸開線和擺線的性質,利用微分幾何工具計算出該類曲的法矢,作為選取球頭銑刀半徑的依據。
  11. Compared to an ordinary rudder, the value of lift coefficient of ichthyoid rudder is about 30 % higher and the maximum rudder angle of it nearly reaches 45 degrees. ichthyoid rudder is a design under such a conception as to effectively utilize the propellers slipstream for rudder action, and featured by having a fish - shaped one - piece construction that is to say - no part of ichthyoid rudder can move in the water

    其研究的魚形舵是一個沒有在水下移動的魚尾形剖單片結構,增加了全舵的剖拱度,使槳尾流的折射水量增強,進而增大了水動力的作用,使之比普通流線形舵的升力提高30左右。
  12. A physical model for rf planar spiral micro - inductors

    微電感的物理模型
  13. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火箭發動機燃燒室的冷卻通道設計為斜航線(等傾角線)槽形,可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表的母線輪廓復雜,手工編制數控加工程序難度大.為了解決數控加工程序的編制問題,研究了斜航線的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外表上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大,加工難度大,是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗,研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術,已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的斜航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功,對其他相似類型零件的加工亦具有參考意義
  14. For the liquid in the multi - head twisted and fluted tube can cross the boundary of the channel and merge into the fluid flow in the next channel, the film distribution of multi - head twisted and fluted tube is overmatch single - head twisted and fluted tube

    槽管表為多槽道時,各槽道間發生流體的相互摻混使得液膜分佈特性較單槽道時要好。
  15. Gle is a library package of c functions that draw extruded surfaces, including surfaces of revolution, sweeps, tubes, polycones, polycylinders and helicoids

    Gle是一個c函數庫包,它能繪制突出的表,包括轉表,伸展表,管狀,多角體,多柱體和螺旋面
  16. With vrml techniques, the process of co - rotating twin - screw machining is simulated based on the theory of machining with milling cutter, and the machining simulation theory and its key techniques are discussed. the mathematic model and computation are proved correct and feasible through cutting experiment and the model is now applied in practice

    該方法和技術可以有效的支持同向雙桿圓柱螺旋面的加工刀具的優選。並在用圓柱立銑刀加工同向雙桿的理論基礎上,利用vrml技術,對加工過程及其理論誤差進行了模擬,討論了模擬加工的原理和關鍵技術。
  17. The main works are shown as followings : in order to get best economic benefits and quickest time response, the advantages and shortages of existing methods for machining twin - screws are analyzed. in view of the production of co - rotating twin - screw is various and mostly in small batch, a new approach for forming cylinder helical surface with milling cutter is put forward. it presents the theoretical foundation for machining of twin - screw

    論文主要工作有如下幾點:針對同向雙桿產品零件的多品種、小批量的生產特點,為了取得最佳經濟效益和快速地時間響應,在查閱了雙桿加工有關的國內外文獻資料,研究分析了雙桿各種現有的加工方法的優缺點,提出了一種新的加工方法? ?用圓柱立銑刀成形加工雙螺旋面
  18. Changing the diameters and fixing angles of milling cutter can meet the machining requirements of helical surface. this method has been applied in the process of manufacturing twin - screw in rubber and plastic mechanics, which simplifies the process route and shortens the prepare time in production and at the same time saves the cost and improves technical and economic benefits

    通過改變圓柱立銑刀的直徑和加工安裝角度來滿足螺旋面的加工要求,該方法已在橡塑機械用同向雙桿的加工中得到應用,縮短了加工工藝路線,減少了生產準備時間,節約了加工成本,取得了良好的技術經濟效益。
  19. In this dissertation, for the need of engineering, berchand surface is put forward and studied which is refined and enhanced from the common characteristics of gyration surfaces, developed surfaces and normal circular - arc helical surfaces. according to which, many kinds of important surfaces can be structured

    論文從工程需要出發,提出並研究了白川德曲,這是對回轉、可展、法向圓弧螺旋面共性特徵的提煉與升華,據此可以構造和發展出各種有重要應用價值的曲
  20. However, the technology of manufacture about helical rotor is always the key problem, which blocks its development off since 1994, the cnc research center in shenyang university of technology has pursued research on complex special helical pole. it firstly put forward the non - instantaneous pole envelope method in china, and pursued systemic research on the theory of envelope method and nc programming method, then acquired a lot of achievements. therefore in this thesis the main job is the simulation model built on basis of non - instantaneous pole envelope method and the three - dimension graphic dynamic simulation system

    從1994年起,沈陽工業大學數控研究中心即對復雜異形螺旋面加工進行攻關研究,在國內首先提出了無瞬心包絡加工方法,並對其包絡加工原理、數控編程方法等多方進行了系統的研究並取得了一定成果,本文的主要工作即是以無瞬心包絡法加工過程為基礎建立的模擬加工模型和三維圖形動態模擬系統。
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