螺線流 的英文怎麼說
中文拼音 [luóxiànliú]
螺線流
英文
helical flow-
In the core, coriolis forces deflect the upwelling fluid along corkscrewlike, or helical, paths, as though it were following the spiraling wire of a loose spring
在地核中，科氏力使涌升的流體沿著像開酒瓶器的螺旋路線上升，彷佛順著彈簧的螺旋線圈移動。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面導引方法等問題，具體成果和創新點如下1 、根據流體力學理論，建立了螺旋槳推進器的動態模型，它以螺旋槳來流速度v _ p和螺旋槳轉速n為狀態變量，以電機施加轉矩為輸入，螺旋槳推力t和轉矩q為輸出。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，並以平面阿基米德螺旋天線，平面等角螺旋天線，軸向模圓柱螺旋天線，具有固定升角的圓錐螺旋天線和圓錐等角螺旋天線為例，用矩量法求解了天線上的電流分佈，研究了螺旋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。The result indicates that, in the course of the rainstorm in huoshan, there are obvious low - level jet of great intensity, infection of mesoscale shear line, enhancement of plus vorticity which increases intensity of convergence, improves ascending velocity and brings on precipitation, and quick enhancement of helicity which provides the basis to forecast, in addition, convergence of moisture flux and analyzed potential vorticity which reflects baroclinic convective instability sufficiently indicate the characteristics of the rainstorm
結果表明：此次霍山暴雨發生前後，存在明顯的大強度低空急流，並受到中尺度切變線的影響，而且正渦度的加強引起了輻合加劇，提高了上升速度從而引起降水，同時暴雨發生前螺旋度的迅速增強，也為預報提供了根據，另外水汽通量的輻合以及分析位渦反映出的斜壓對流不穩定都充分體現了這次降水的特點。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面單片結構，增加了全舵的剖面拱度，使螺旋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。Ssr - dd series of dc solid relay is vastly applied to output joggle of computer and external equipments, it is also applied to control or switch dc load : dc relay 、 contactor 、 dc electrical motor 、 kinds of electric - heating apparatus 、 dc electromagnetic valve 、 electromagnetic iron 、 solenoid 、 filament lamp 、 indication lamp 、 plc logical electrical appliance and dc solid relay
Dd系列直流固態繼電器廣泛應用於計算機與外部設備的輸出介面，適用與控制或開關直流負載：直流繼電，接觸器、直流電動機、各類電熱器具；直流電磁閥，電磁鐵、螺線管、白熾燈、指示燈； plc邏輯電器。Octagon connectors for terminal studs, rated over 10000 a, for alternator - bushings
額定電流以上交流發電機接線螺柱用八角連接Woven wire mesh series : stainless steel wire mesh, brass wire mesh, copper wire mesh, phosphor bronze wire mesh, barbecue grill mesh, crimped wire mesh, low carbon steel wire mesh, mild steel wire mesh, black wire cloth, window screening netting, vibrating sieving mesh, filter for gas and liquid, conveyer belt, chain link fence, galvanized square wire mesh, hexagonal wire mesh
此網帶由雙股右螺旋或由雙股左螺旋盤條與一根串條連接而成，網帶拼接方便，網眼一般小於單股加強編織的網眼，編織牢固，不易變形，維修方便。能用於高溫的自動流水線，輸送重物，機械工業上零件的熱處理，各種較大物品的烘乾。In the anistropic magnetic medium under the condition of magnetic permeability 11unequal to 33, the magnetic field on axis line of current - carrying coil and that inside current - carrying solenoid can be calculated by applying biot - savart law of that medium. as the condition of their service is restricted, it is necessary to derive the magnetic field on axial line of current - carrying coil and that inside current - carrying solenod under more general condition of 11unequal to 33. on the basis of the magnetic field on axial line of current - carrying coil in anisotropic magnetic medium under the derived condition of 11unequal to 33, the authors obtain the magnetic field on axial line of current - carrying solenoid in anisotropic magnetic medium under general condition of 11unequal to 33. the result shows a wider applicable coverage
利用畢奧-薩伐爾定律，並在磁導率11 = 33的條件下，可求出各向異性磁介質中載流圓線圈軸線上的磁場，以及載流直螺線管內部的磁場.顯然，其使用條件受到限制.為此，有必要導出在11 33的更一般情況下，各向異性磁介質中載流圓線圈軸線上磁場和載流直螺線管內部的磁場.在已導出11 33及各向異性磁介質中載流圓線圈軸線上磁場的基礎上，求出一般情況下各向異性磁介質中載流圓線圈軸線上的磁場，使其結果適用范圍更廣Limiting of the spot size of intense relativistic electronic beams in a solenoidal field
螺線管場下強流相對論電子束焦斑尺寸的限制08. 02 test method for spiral flow of low - pressure thermosetting molding compounds
低壓熱固性模塑料的螺線流動度的試驗方法Magnetic field distribution caused by length - limited loose helical current
考慮螺距時有限長超導螺線管電流磁場的分佈Hanno factory, shindengen electric manufacturing is located in an area of mountains, forests, and clean water, and as such is engaged in the following activities designed to maintain a clean and beautiful natural environment for future generations, while at the same time sustaining a society in which continued
位於山水、綠樹環繞的城市飯能的新電元工業飯能工廠通過包括以電子器件產品、通信用整流器、信息產業設備用電源、電子零件、集中管理系統、螺線管等開發、設計為主體的生產在內的業務活動，為能將豐富的自然留給未來而保護自然，以建立能夠堅持持續發展的社會為目標開展以下活動。Water, and as such is engaged in the following activities designed to maintain a clean and beautiful natural environment for future generations, while at the same time sustaining a society in which continued development is possible, and continuing the present course of development and design of electronic devices,
位於山水綠樹環繞的城市飯能的新電元工業飯能工廠通過包括以電子器件產品通信用整流器信息產業設備用電源電子零件集中管理系統螺線管等開發設計為主體的生產在內的業務活動，為能將豐富的自然留給未來而保護自然，以建立能夠堅持持續發展的社會為目標開展以下活動。A proof of the magnetic field distribution feature of the unlimited length current - carrying solenoid
無限長載流螺線管磁場分佈特點的證明For the first time, the solenoid collecting magnetic field optical transducing principle is presented in this paper, and it is proved that the way to measure current by polarized light encircling conductor and that by polarized light threading solenoid axes are equivalent
為了解決aoct的長期運行穩定性問題，首次提出了「螺線管聚磁光學傳感原理」 ，證明了偏振光圍繞著無限長通電導體測量電流與偏振光通過通電螺線管的軸向方向測量電流，在光學傳感測量電流的意義上是等價的。Hydraulic fluid power. identification of valve ports, subplates, control devices and solenoids
液壓流體動力.閥門孔口，底板，控制裝置和螺線管的標識Being the industry ' s growth leader, johnson electric delivers differentiation and innovation through its motion products ? subsystems comprising of stepper motors, dc motors, switches, solenoids, flexi circuits, motion control, precision plastics and precision gears
作為微電機行業的增長型領袖，德昌憑借其包括步進電機、直流電機、開關、螺線管、軟性電路板、驅動控制、精密塑料及齒輪的子系統驅動產品，為客戶帶來由產品差異性和創新性而產生的卓越商業價值。Swirling flow is one of the fashions which often appears in our everyday lives and nature. swirling flow is a very complex flow because of the streamline curvature and the skewness of the velocity vector
螺旋流問題是日常生活和生產實踐中經常出現的一種流動形式，由於流線彎曲、流動斜交，使流動變得十分復雜。In this paper, for the first time, it is proved that oct is an open loop system, so that the adaptive optical transducing principle on independent variables and the solenoid collecting magnetic field optical transducing principle are presented. based on the above two principles, the methods are gained to improve the precision and stability of oct, and the new adaptive optical current transducer ( aoct ) had been developed
本論文在深入研究oct的原理、結構和運行特性的基礎上，首次在理論上證明了oct是開環系統，並首次提出了獨立量自適應光學傳感原理和螺線管聚磁光學傳感原理，進而得到了提高oct測量精度和長期運行穩定性的有效方法…光電獨立量自適應光學傳感原理和螺線管聚磁光路結構，並以此研製成功了新型的自適應光學電流互感器（ aoct ） 。分享友人