hydrodynamic force 中文意思是什麼

hydrodynamic force 解釋
動水力
  • hydrodynamic : adj. 1. 水力的;水壓的。2. 流體動力學的。
  • force : n 1 力,勢。2 體力,氣力,精力,魄力。3 暴力,壓力;兵力,武力。4 〈pl 〉 部隊,軍隊,兵力。5 勢...
  1. The hydrodynamic propulsor takes drill fluid as power source, with the aid of the axial load produced by the pressure drop of the bit nozzle, makes the axial force act on the bit to produce wob, making up for the insufficient wob, ensuring the bit feeding smoothly and improving the penetration rate

    這種推進器以鉆井液為動力源,藉助鉆頭噴嘴壓降產生的軸向載荷,使軸向力直接作用於鉆頭產生鉆壓,彌補有效鉆壓不足,保證鉆頭平穩鉆進,提高機械鉆速。
  2. The calculated drafts covers the whole possible ship draft in the large amplitude motion ; secondly, the research creates and solves the ship large amplitude motion equations. on the one hand, the actual calculation takes into account the coupling between the different motion modes, on the other hand, in the process of calculation of the ship hydrodynamic coefficient, it considers the influence of the nonlinear factor. the hydrodynamic coefficient used in the calculation of froude - krylov force, diffraction force and radiation force changes instantaneously following the draft, and the hydrostatic buoyancy is computed very accurately for the instantaneous immerse hull

    本文的研究分為二個部分:首先利用frank源匯法計算水動力系數,計算包括不同吃水時的附加質量和阻尼系數,吃水范圍涵蓋了船舶大幅度運動時所有可能的吃水;然後建立和求解船舶大幅度運動方程,在實際計算時一方面考慮了運動模態之間的耦合,另一方面在計算水動力時,考慮了非線性因素的影響。 froude - krylov力、輻射力、繞射力中的水動力系數隨吃水瞬時變化,靜浮力的計算精確到船體瞬時濕表面積,最後用四階龍格?庫塔方法在時域內求解船舶運動方程,並進行了載荷計算。
  3. Bp network model for nonlinear oil - film force on hydrodynamic bearing

    滑動軸承非線性油膜力研究
  4. The tension force, shear forces ( including pushing force, cutting force and friction force ), impulse force, hydrodynamic drag on the suction pipes, and the force resulted from the pressure difference, etc, are the main forces for detail discussion in this paper

    詳細討論了主要作用力:在波浪補償器作用下的纜繩拉力、耙頭與海床間的土壤剪切力、作用在耙吸管上的水流阻力及由於壓力差在耙頭處產生的推動力等。
  5. For hydrodynamic force, the oil - gas would migrate at vertical and lateral, and accumulate at suit traps. at the same time, for hydrogeology gyrations, petroleum would periodic migrate and ringed distribute. therefore, ground fluid is at different hydrodynamic systems

    同時,由於古水文地質的旋迴性導致同一流體動力體系內不同流體動力系統的油氣一致階段式運移,並形成一個以凹陷為單元階梯式一環帶狀的油氣分佈規律。
  6. Based on the hydrodynamic, by using momentum theory to the liquid in the flow channel, the computational formula of the air exciting - vibration force is acquired. by using four - step runge - kutta method, the periodic response results of the elastic rotor system with one single - disc are gained. then the dynamic characteristics of the rotor system at the certain rotate speed and the certain physic parameter of system are analyzed by using the phase spaces and poincare maps of this system

    基於流體動力學,通過對葉片流道內的流體模型應用動量定理,得到此汽流激振力模型,並採用四階龍格庫塔法,得出了單盤彈性轉子系統的周期響應規律,然後根據系統的相軌跡及poincare映射圖,分析了系統在特定轉速及特定的轉子系統參數下的運動特徵。
  7. In chapter 5, using coordinate graphs, the influences of rectangular screw, trapezoidal screw and serrate screw on the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction are compared and analyzed

    第五章,通過坐標圖對比分析了微型機器人在矩形螺紋、梯形螺紋、鋸齒形螺紋下,各螺紋參數對軸向摩擦牽引力、最小粘液膜厚度、粘液膜承載能力、周向摩擦阻力的影響。
  8. In chapter 2, an accurate modified reynolds equation is derived. the modified reynolds equation is solved numerically with the finite different method, the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction under the rectangular screw are obtained. at last, using numeral methods and coordinate graphs, the influences of rectangular screw parameters on the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction are studied and analyzed

    第二章,首先推導了非牛頓流體的變形雷諾方程,化簡了雷諾方程,得出了矩形螺紋下有限差分方程;還推出了矩形螺紋作用下軸向摩擦牽引力、粘液膜厚度、粘液膜承載能力、周向摩擦阻力無量綱表達式,最後用數值計算方法求解,通過坐標圖分析了矩形螺紋參數對軸向摩擦牽引力、最小粘液膜厚度、粘液膜承載能力、周向摩擦阻力的影響。
  9. The interaction of wave with multiple porous circular cylinders is analyzed also. the approximate value of the hydrodynamic force act on each porous cylinder can be calculated

    在此基礎上進而分析了波浪對可滲透圓柱群的相互作用,推導出了作用於直線排列的群柱中單一柱體上的波浪力的近似解。
  10. The surge force and viscous force is also included in the present hydrodynamic mathematical model

    本數學模式亦涵蓋了縱移力與黏性力。
  11. The electro - hydraulic load simulator of fin stabilizer is physical half - objective simulative system. its function is to simulate, under laboratory conditions, different kinds of hydrodynamic force exerted on the fin stabilizer so as to detect technical performance index of the driving system of fin stabilizer. thus the classical self - destructing all - objective experiment will be converted to half - objective forecasting experiment in laboratory to achieve the aims such as shortening lead time, saving developing funds, enhancing reliability and success proportion

    減搖鰭電液負載模擬臺是一種半實物物理模擬系統,其功能是在實驗室的條件下,模擬船舶航行過程中減搖鰭所受的海浪水動力載荷譜,從而檢測減搖鰭驅動系統的技術性能指標,將經典的自破壞全實物實驗轉化為在實驗室條件下的半實物預測性實驗,以達到縮短研製周期、節約研製經費、提高可靠性和成功率的目的。
  12. Hydrodynamic long range force

    鈴動力遠程力
  13. Vertical hydrodynamic force

    鈴動力浮力
  14. In chapter 4, the modified reynolds equation is solved numerically with the finite different method, and the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction under the serrate screw are obtained. at last, using numeral methods and coordinate graphs, the influences of serrate screw parameters on the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction are studied and analyzed

    第四章,首先求出鋸齒形螺紋下數值計算所需的有限差分方程,再推出了鋸齒形螺紋作用下軸向摩擦牽引力、粘液膜厚度、粘液膜承載能力、周向摩擦阻力無量綱表達式,最後用數值計算方法求解,通過坐標圖分析了鋸齒形螺紋參數對軸向摩擦牽引力、最小粘液膜厚度、粘液膜承載能力、周向摩擦阻力的影響。
  15. Others that related the ancient times climatic change, for instance ancient - river hydrodynamic force condition and so on, also are the important contents that we understand the ancient times environmental variation rule

    其他與古代氣候變化相關的變化,比如古土壤中稀土元素和微量元素的含量,古河流的水動力狀況等,也都是我們了解古代環境變化規律的重要內容。
  16. In chapter 3, the modified reynolds equation is solved numerically with the finite different method, and the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction under the trapezoidal screw are obtained. at last, using numeral methods and coordinate graphs, the influences of trapezoidal screw parameters on the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction are studied and analyzed

    第三章,首先求出梯形螺紋下有限差分方程,然後推導了梯形螺紋作用下軸向摩擦牽引力、粘液膜厚度、粘液膜承載能力、周向摩擦阻力無量綱表達式,並用數值計算方法求解,通過坐標圖分析了梯形螺紋參數對軸向摩擦牽引力、最小粘液膜厚度、粘液膜承載能力、周向摩擦阻力的影響。
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