circular velocity 中文意思是什麼

circular velocity 解釋
環流速度
  • circular : adj 1 圓的,圓[環]形的。2 循環的;巡迴的。3 通告的,環游的;供傳閱的。4 夥伴的,團體的。5 【邏輯...
  • velocity : n. 1. 迅速;快速。2. 速度,速率。3. 周轉率。
  1. One instance of simple harmonic motion is that of the projection on any diametre of a point which describes a circular path with uniform angular velocity.

    當一質點以勻角速度作圓周運動時,則它在任意直徑上的投影的運動便是簡諧運動的一例。
  2. The collapse which bloom ascribed to gastric inanition and certain chemical compounds of varying degrees of adulteration and alcoholic strength, accelerated by mental exertion and the velocity of rapid circular motion in a relaxing atmosphere, stephen attributed to the reapparition of a matutinal cloud perceived by both from two different points of observation, sandycove and dublin at first no bigger than a woman s hand

    這是始而精神緊張,繼而又在鬆弛的氣氛下疾迅地旋轉這一劇烈的運動所造成的。斯蒂芬卻把它歸因於起初還沒有女人的巴掌那麼大的晨雲再次出現他們二人曾從不同的地點-沙丘與都柏林,目擊到那片雲彩5 。
  3. Measurement of fluid flow in closed conduits. velocity - area methods of flow measurement in swirling or asymmetric flow conditions in circular ducts by means of current - meters or pitot static tubes

    密封管中流體流量的測定.用電流表或靜壓皮託管測量圓管道內迴旋流或不對稱流動流量的速度-面積法
  4. Measurement of fluid flow in closed conduits - velocity area methods - methods of flow measurement in swirling or asymmetric flow conditions in circular ducts by means of current - meters or pitot static tubes

    封閉管道內液體流量測量.第2部分:速度范圍法.第3節:用流量計或皮托靜壓管在圓形管道中渦流或不平衡流動條件下測量流量
  5. According to rigorous procedures, an experimental study was carried out to investigate the effects of jet exit velocity, flow direction, fluid subcooling and nozzle diameter on hysteresis of boiling heat transfer with impinging circular submerged jets of highly - wetting liquids

    摘要系統地研究了液體在圓形斷面噴嘴浸沒射流作用下沸騰熱滯后與射流沖擊速度大小、液體流動方向、液體過冷度和噴嘴直徑等因素的影響。
  6. Abstract : the shaping equation of steamed bread in circular trough camber of shaping roller, the instantaneous velocity of its surface, and the strength by shaping roller were analyzed during shaping, then a theory base for the design of steamed bread shaping machine was provided

    文摘:分析了饅頭成型過程中成型輥上圓弧槽曲面內饅頭生坯的運動方程,饅頭表面動點瞬時速度及饅頭成型時受力分析,為饅頭成型機的設計提供了理論依據。
  7. 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。
  8. Experimental techniques for simulating cavity decoupling explosion in laboratory wear developed, which include a center initiating explosive charge designed in shape of mini - spherical with yield equivalent to 0. 125 ~ 8. 00gtnt, circular electromagnetic particle velocity gages and aluminum bar strain gages measurement techniques, spherical divergent stress waves generator. large amount of tamped and cavity explosion experiments had been made in granite, soil, cement mortar and water media environment, respectively

    本文建立起了包括中心起爆的0 . 125 8 . 00gtnt微型球形炸藥裝置的研製、圓環形電磁粒子速度計及鋁桿應變計測試技術和球形發散應力波實驗裝置等在內的實驗室微型藥量空腔解耦化爆模擬技術,並在花崗巖、土、水泥砂漿和水等介質中進行了大量的填實和空腔爆炸實驗研究。
  9. Low - velocity ducts, high - velocity ducts, spiral ducts, flexible ducts, square ducts, circular ducts, upvc ducts, air curtains, etc. fans & dampers

    低速喉、高速喉、旋式喉、軟接喉、方型喉、圓型喉、膠風喉、風閘等fans & dampers風扇及節氣閘
  10. The vortex - vibration was measured when the towed velocity, dip angle between the circular cylider and flow velocity, and diameter were varied

    對不同拖曳速度、拖纜傾角,即拖纜與來流速度之間的夾角和不同直徑的拖纜渦激振動進行了測量分析。
  11. ( 5 ) as torsion is increased, the anticlockwise secondary vortexes and the negative area of the stream function increase ; the axial velocity moves anticlockwise ( annular pipe ) or clockwise ( circular pipe ) ; the friction factor ratio finally reaches the value about 1

    ( 5 )增大撓率,逆時針方向旋轉的一二次渦和流函數的負值區域增大,軸向速度最大值的位置按逆時針(環形截面)或順時針(圓截面)方向旋轉,摩擦系數比最終趨向於1 。
  12. After the mathematical model of asynchronous electromotor is build, the method of space voltage vector is taken to discuss the essential principle and structure, and arithmetic of direct torque control, and the application of circular magnetic chain self - operated control and the technology of sensor without velocity in direct torque frequency conversion timing are emphasized

    在建立異步電動機的數學模型之後,採用空間電壓矢量分析方法討論了直接轉矩控制的基本原理結構及其演算法,著重研究了圓形磁鏈自控制和無速度傳感器技術在直接轉矩變頻調速中的應用。
  13. Experimental studies on measurement of flow - rate based on maximum velocity on circular cross - section

    用圓管中最大流速測量流量的實驗研究
  14. These two phases are separated at a time when the halo concentration parameter c ~ 5 and the binding energy of the halo is approximately equal to that of a singular isothermal sphere with the same circular velocity

    腸『隨時間的增長和宇宙的膨脹速率基本一致: ( 2 )在這兩個階段的分界點處暗暈的匯聚因子。
  15. Haloes in the two accretion phases show systematically different properties, for example, the circular velocity vh increases rapidly with time and approximately equals the inner circular velocity vs in the fast accretion phase, but remain almost constant and less than vs in the slow accretion phase : the inner properties of a halo, such as rs and ms increase rapidly with time in the fast accretion phase but change only slowly in the slow accretion phase : the halo concentration changes slow in the fast accretion phase, but increases rapidly with the hubble expansion in the slow accretion phase. the inner structure and potential well associated with a halo is built up mainly in the fast accretion phase, while a large amount of mass can be accreted in the slow accretion phase without changing significantly the inner properties and the potential well

    ~ 4 ,其束縛能和具有相同圓周速度的等溫球大致相等; ( s )在這兩個階段,暗暈的行為特徵迥異(例如,圓周速度均『在快速吸積階段增長迅速且略大於內部圓周速度: 、 ,而在緩慢吸積階段基本恆定甚至降低,且小於、 、 . : 、和呱在快速吸積階段增長迅猛,而在緩慢吸積階段增長滯緩) : ( l )一個暗暈的內部結構和引力勢阱主要是在早期的快速吸積階段成長起來的,雖然在緩慢增長階段可以吸積大量的質量(超過10倍) ,但這並不顯著地改變其內部特徵和引力勢阱
  16. Measurement of fluid flow in closed conduits - velocity area methods - method of measurement of velocity at one point of a conduit of circular cross section

    封閉管道內液體流量測量.第2部分:速度范圍法.第2節:管道橫截面某一點的流速測量方法
  17. Result shows that the dip angle, the towed velocity and reduced velocity are main influence factors to the vortex - induced vibration of a circular cylinder

    結果表明,約化速度、拖纜傾角、拖曳速度等是影響渦激振動的主要因素。
  18. Abstract : in this paper, the problems of the window set - up, the forward receiving method by mirror and the way of side direction receiving, when ldv is used to measure the velocity of water flow inside a circular tube, are discussed and some practical experience in the measurement is summarized

    文摘:使用二維激光多普勒測速儀( ldv )對圓管中水流進行測速時,對于窗口的設置、利用反射鏡前向接收的方法和側向接收方式等問題,本文進行了探討,並總結了測量中的一些實際經驗。
  19. During the ctp process, the wafer or polishing pad is fixed and another component is translationally moving along a circular track with constant velocity

    圓平動研拋是工件或研拋盤之一固定不動,而另一構件以恆定的速率沿圓形軌跡做平動而實現的拋光過程。
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