tangential velocity 中文意思是什麼

tangential velocity 解釋
切線速度
  1. On the base of milling ball interaction during milling process, the powder height of each collision can be calculated. if the impact of milling ball takes as hertz elastic collision, the maximum real strain and the maximum tangential strain are obtained as follows, e, . , ln [ h, / ( h0 ? vrcos6 / 2 ) ] = vrsin6 / h0 ? / q, t2rt2 / 2om ~ h, j where s, p, v are maximum real strain, the maximum tangential strain, friction coefficient and the velocity of milling ball

    對球磨過程中磨球相互作用作了一些假設后,可以計算出每次碰撞所獲得粉末體高度值;將磨球的碰撞作為hertz彈性碰撞,碰撞時的速度分解為法向速度和切向速度得出粉末的最大真應變和最大切應變為湖南大學材料物理與化學專業碩士論文r 。
  2. The feedrate in tangential direction was adjusted by the fuzzy velocity controller for reducing the worst burrs and defects to obtain better quality contour

    而模糊速度控制器被用來調節工具進給速度,從而徹底清除較大的毛刺,避免損害工件和刀具,得到理想的加工表面。
  3. A discretization equation is derived by using a finite volume method in three - dimensional cylindrical polar coordinate system. algebraic equations are solved by iteration with a line - by - line method that is a combination of tdma in axial and radial directions, ctdma in tangential direction and adi method in three directions. the pressure and velocity coupling are solved with the simple algorithm

    在三維圓柱坐標下,利用有限體積法推導離散方程;在軸向與徑向用三對角矩陣法( tdma ) ,在周向採用循環三對角矩陣法( ctdma ) ,採用交替方向亞鬆弛疊代法( adi )求解方程;推導同位網格下的壓力修正方程,用simple演算法處理速度與壓力的耦合;為加速收斂,採用適當的鬆弛因子。
  4. This phenomenon shows that stick - slip motion and negative friction - velocity slope are not responsible for the present squeal. it is because these two generation mechanisms of squeal only govern the tangential vibrations

    這個現象否定摩擦噪聲發生的兩個機理:粘著-滑動機理和摩擦力-相對滑動速度負斜率機理,因為這兩個機理描述的是切向發生的摩擦振動。
  5. Compared with any vibrating systems involving normal impacts, an oblique - impact vibrating system features not only the non - smooth characteristic of impacts, but also complicated dynamics owing to the relative tangential velocity and corresponding friction between two colliding objects

    斜碰撞振動系統不但具有正碰撞振動系統力學狀態的非光滑特性,還由於相對切向速度和摩擦引起碰撞物體的切向變形,因而具有更大的研究難度。
  6. Relaxation factors are adopted. a program is produced to simulate swirling air flow in a horizontal straight pipe and compare with experiment data. the simulation prove that the modified k - model can predict the core, annular and wall regions near entrance and axial velocity far from entrance, but it ca n ' t predict tangential velocity well in weak swirling area far from entrance

    編程計算水平圓管內螺旋氣流的流動參數並與實驗數據對比,結果表明修正-湍流模型在近入口處基本上能預測出中心區、環形區和近壁區的流動特性,在遠離入口弱旋流區域對軸向速度的預測符合實際情況,但是出現對周向速度修正過大的現象。
  7. Absolute tangential velocity

    絕對切向速度
  8. ( 2 ) starting off with analyzing the forces affected on single dry solid granule on the roller screen, the relative slippage and slipping condition of granule at the tangential direction and axis direction of roller screen are discussed, and the average slipping conveyance velocity from feeding end to discharging end is given. the throwing conveyance of granule is discussed, the throwing coefficient of roller screen and its varying rule, and the concept of average throwing coefficient and its computing method are put forward, the starting condition and terminating condition for throwing motion of granule on the roller screen and the throwing conveyance velocity of granule are researched. the influence on throwing motion of granule by the rotating velocity of roller screen is discussed as well

    ( 2 )從筒式篩網上單顆干固相顆粒的受力分析著手,討論了顆粒在筒式篩網面上的切向相對滑動和軸向相對滑動及滑動條件,並導出了顆粒從進料端向出料端滑動運移平均速度;討論了顆粒的拋擲運移,給出了筒式篩網上的拋擲指數及其變化規律,提出了筒式篩網的平均拋擲指數的概念及計算方法,研究了筒式篩網上顆粒拋擲運移的產生條件和終止條件,以及顆粒拋擲運移的輸送速度;還討論了筒式篩網的旋轉角速度對顆粒拋擲運動產生的影響。
  9. Based on the transfer - matrix method, the general expressions of equivalent four - terminal network parameters of varying section torsional horn are derived, the relations between frequency equation and both the rotational velocity amplification and that of the surface tangential velocity of stepped type torsional ultrasonic horn with transitional section of cosine - like type are obtained

    摘要基於傳遞矩陣演算法,推導出了變截面桿扭轉振動時等效四端網路參量的一般表達式,研究了帶類餘弦過渡段階梯形變幅桿扭轉振動頻率方程與角速度放大倍數及外表面切向速度放大倍數等的關系。
  10. Based on the reynolds " lubrication approximation, and utilizing the small parameter method, the velocity and the pressure equations for two spheres translating normally and tangentially with an interstitial second - order fluid are derived for modeling wet granular assembles using the discrete element method. as a result, analytical solution for the tangential force and the torque were obtained

    採用reynolds潤滑理論和小參數法等研究了存在填隙二階流體時兩球法向及切向運動時的運動,位移及壓力分佈規律,從而求出擠壓力或切向阻力、阻力矩的解析解。
  11. Sconed, the tangential shear velocity and the radial particle diameter distribution are derived according force balance in the annulus, in order to reduce or pervent the particle to remove toward the membrane surface

    第二、根據粒子的力平衡理論推導出旋轉流中粒子不向膜面沉積的周向剪切速率及徑向粒徑的分佈規律,並指出徑向速度對粒子沉積的影響。
  12. The disturbance located at inner region and near eyewall intensifying corresponds to the growth of amplitude of typhoon maximum tangential velocity with shorter period and the opposite is true. the weakening role of periphery disturbance intensity drop in typhoon maximum tangential wind reduces iv rossby obviously and the mean tangential wind display a strong vibrational characteristic for the periphery disturbance intensity growth

    臺風內核區和眼壁附近擾動的減弱(加強)使臺風最大切向風速的增幅減小(增大) ,且強度增強,風速變化的震蕩性加強,震蕩的周期縮短;強度減弱,風速變化的震蕩性減弱,震蕩的周期加長。
  13. The absolute velocity was decomposed based on the law of velocity triangle, the absolute tangential velocity, the relative velocity and the relative tangential velocity were presented in this paper

    在測得轉輪內部的絕對速度矢量后,按速度三角形原理進行分解,得到了絕對速度切向分量、相對速度及相對速度切向分量。
  14. The relationship between the spatial scale dimensions of the initial mesoscale vortex and the variation of typhoon intensity is also discussed. the results show that the interaction can intensify the maximum tangential velocity of typhoon under the condition of certain parameter ranges

    結果表明:在一定的合理的參數條件下,中尺度渦旋和臺風渦旋的相互作用可以使臺風切向風速最大值增加,增加值為4 . 0m / s ,這個結論比m (
  15. The most distinct intensification in maximum azimuthally mean tangential velocity occurs when the convective patch is positioned in rmw, the second in the interior region. this intensification exhibit distinct vibration with 6 ~ 7h period and the vibration in inner region diminishes with shorter period

    Rmw附近擾動使最大平均切向風速增大最明顯,其次是內核區,而且這種增強表現出顯著的震蕩特徵,震蕩周期約為6 7h ,內核區的震蕩較弱,震蕩周期略短。
  16. Then, the distribution of tangential, radial, axial components of velocity and pressure is given

    同時得到了流場內部切向速度、徑向速度、軸向速度及壓力分佈規律。
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