螺旋力矩 的英文怎麼說

中文拼音 [luóxuánlìjǔ]
螺旋力矩 英文
moment in spin
  • 螺 : 1. [動物學] （軟體動物） spiral shell; snail; conch 2. （螺旋形的指紋） whorl （in fingerprint）
  • 旋 : 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...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 矩 : 名詞1. （畫直角或正方形、矩形用的曲尺） carpenter's square; square2. （法度; 規則） rules; regulations 3. [物理學] moment
  • 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. 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。
  2. The experiment can obtain the driver and the torsion of the screw propeller of relative speed and is an important method to analyze the efficient part of push

    船模自航試驗可獲得對應航速螺旋槳推力和轉矩，是分析各種推進效率成分的重要手段。
  3. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。
  4. The submarine noise detected by sonar consists of two parts : propeller - generated hydro - dynamical noise, which can be greatly reduced by improving the submarine rear shape ; radiated noise from the submarine structure excited by the centrifugal forces ( moments ) of rotatory machine, which is more complicated and influenced by many factors

    聲納所探測的潛艇噪聲包括兩部分，一是螺旋槳運轉帶來的水動力噪聲，二是潛艇主機工作時產生的不平衡力和力矩引起潛艇結構振動，帶動流場振動從而輻射噪聲。通過改進潛艇尾部線型設計，已將水動力噪聲降到比較低的程度，而結構噪聲則復雜得多，與許多因素有關。
  5. The simulations get the variation curve of the torque acted on the helical gear spline during translating process, and get the important damping force acted on the middle part during engaging and disengaging process

    模擬還求得了作用在螺旋齒花鍵上的扭矩在動態過程中的變化曲線；求得了作用在中間件上，起關鍵作用的阻尼力在嚙合、脫開中的動態變化曲線。
  6. This study is done for the first time in domestic torpedo business, the mathematic model of cowterrotating motor is established and some special characteristics of torpedo ' s drive cowterrotating dc motor under the load of constant torque or the load of cowterrotating propellers are exposited

    這項研究在國內同行中還是首次進行，它建立了魚雷雙轉推進電機的數學模型，揭示了魚雷雙轉推進電機在恆力矩負載和對轉螺旋槳負載下的一些特殊特性。
  7. The computer program has following advantage : the solution of main blade is by iterative scheme in time domain, the kutta condition is used by explicit equal pressure condition, the jacobian matrix which can reflect the influence on the difference between the upper and lower surface at trailing edge by dipole is calculated in each iterative procedure, in order to improve the convergence of iteration

    本文編制的螺旋槳非定常性能預報程序是針對主葉在時域中迭代求解的， kutta條件採用的是顯式的等壓條件，求解中為了提高迭代的收斂性，在每次迭代中都重新計算反映偶極子強度對尾緣處上下表面壓力差影響的jacobi矩陣。
  8. Based on the mechanism of slipstream interaction, described in this thesis is firstly the interaction of the propeller slipstream with the wing 、 fuselage and horizontal tail. subsequently, the changes in lift 、 drag and pitching moment are derived, giving an engineering model for the prediction of the increments in the aerodynamic characteristics caused by the interference between the propeller slipstream and the other parts of aircraft. this method offers a powerful means to the calculation of the aerodynamic interaction between the propeller and the aircraft, providing reliable data for the design of and aerodynamic calculation on propeller - powered aircraft

    本文以滑流干擾的機理為出發點，研究了螺旋槳滑流與飛機機翼、機身、平尾組合體之間的相互影響，推導出滑流引起的飛機升力、阻力和俯仰力矩的變化，給出了滑流干擾對機體氣動特性影響的工程估算方法，為研究螺旋槳與飛機部件之間的相互干擾提供了有力的工具，為以螺旋槳發動機為動力的飛機的設計和氣動計算提供可靠的依據。
  9. The micromanipulator must contact the objects to be handled in the manipulation process and the end - effector will be loaded by the exterior forces. the static mechanics of the manipulator has been analyzed on the basis of the work done above, by the way of the screw theory the mechanics jacobia is educed, furthmore, the matrix is the transpose of the kinematics jacobia in such a microscopic world. meanwhile the index of the static stiffness and payload related to the mechanics is studied

    微動機器人在操作過程中，必然要接觸到操作對象，末端執行器要受到力力矩的作用，在前面分析的基礎上，進一步分析其靜力學性能，運用螺旋理論導出反映其靜力特性的力雅克比矩陣，並且可以看到此矩陣與速度雅克比互為轉置。同時還考察了微動機器人的靜剛度、承載能力指標。
  10. There are different thrusts and torques corresponds to difference trailing edge cutting value at different advance coefficients. combined with the real hull ' s resistance and the real engine ' s power and revolution, the matching point between hull - propeller - engine and the value of trailing edge cutting can be calculated

    在得到不同的進速、不同的切割量下螺旋槳的推力、轉矩的情況下，結合實船的阻力和主機的功率、轉速等資料就可以計算出使船?槳?機匹配的切割量。
  11. The paper analyses the stress of bulk cargo, puts forward the analytic method of working out the separating interface between gas and material and establishes t he model calculating model and the movement characteristic parameter equation according as the moment balance law to determine the size, rotate speed, the drive power of screw and the productivity

    分析了物料間的應力狀態，提出了物料與空氣分離界面的解析法，根據物料的力矩平衡建立了螺旋阻力矩的計算模型和物料的運動特徵參數方程，以確定螺旋的尺寸與轉速、螺旋驅動功率和輸送量。
  12. The axial frictional pulling force and the minimum thickness of mucus film were analyzed and calculated in detail when rectangular or trapezoidal cylindrical screw was being adopted in microcomputer

    詳細分析計算了微型機器人在採用矩形和梯形圓柱螺旋時的軸向摩擦牽引力和最小粘液膜厚度。
  13. Cylindrical helical springs made from rectangular and square section wire and bar - guide to calculation and design - torsion springs

    矩形和方型線材和棒材制的圓柱形螺旋式彈簧.計算和設計指南.扭力彈簧
  14. The counter - rotating dual - rotor system in aeroengines can reduce the influence of rotors ' gyroscopic moments on aircrafts, cut down the torque of cases and improve the flexibility of airplanes

    摘要航空發動機採用反向旋轉的雙轉子系統，有助於減小轉子整體陀螺力矩對飛機的影響，降低機匣負荷，提高飛機機動性能。
  15. 4 、 on the basis of analyse of a quasi - static meshing simulation in a meshing period, a dynamic meshing simulation in the case of definite torque and rotary speed are carried out in a meshing period. the numerical results which indicating the variety of the contact status, the contact stress, the bending stress in the location of teeth root and the torque and rotary speed of gear pair vs the different meshing position are presented

    4 、在對螺旋錐齒輪準靜態嚙合進行模擬分析的基礎上，進行了螺旋錐齒輪動態瞬態嚙合模擬分析，重點分析帶載啟動時出現的沖擊現象，得出了齒輪的接觸狀態、接觸應力、齒根彎曲應力及主從動齒輪的扭矩、轉速和加速度隨嚙合位置變化的規律。
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