force coefficient 中文意思是什麼

force coefficient 解釋
力系數
  • 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...
  • coefficient : adj. 共同作用的。n. 1. 共同作用;協同因素。2. 【數,物】系數,率;程度。
  1. If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g

    如果通過激光冷卻能使原子速度降至很小甚至為零,光壓力的作用將使原子被較穩定地囚禁于激光駐波場的節點和反節點處,其穩定程度取決于該處光壓力曲線負斜率的大小、對應勢能的勢阱深度以及動量擴散系數的大小,因此,如何在實驗中合理選擇激光強度、失諧量等顯得尤為關鍵。
  2. This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization

    本文以拉格朗日方程為理論基礎,對慣性制動器在制動時的振動進行數學建模,然後用matlab對其進行模擬,得出了慣性制動器在制動時振動角頻率分別與制動環和摩擦片之間的摩擦系數、制動力的平均半徑、主動頂和花鍵軸的轉動慣量、慣性制動器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數、主動頂和花鍵軸的質量、慣性制動器除主動頂和花鍵軸外其他部分的轉動慣量和、頂壓套的質量等慣性制動器各零部件的物理參數之間的關系,為慣性制動器的結構優化提供了理論依據。
  3. As a result, the electromagnetic field intensity is changed accordingly and fluctuating current in the damper coil is created. damping force is mostly produced because of the phase difference between fluctuating current and displacement of rotor. the formulas of fluctuating current and damping coefficient are deduced theoretically, and the calculated results are consistent with the experimental results

    通過分析發現電磁阻尼器線圈內由於轉子渦動時變化的磁場而產生的波動電流與轉子位移間的相位差是產生阻尼的主要原因,推導了波動電流、阻尼系數的計算公式,並通過實驗展示了被動式電磁阻尼器的阻尼效應。
  4. Temperature coefficient of electromotive force

    電動勢的溫度系數
  5. In the evaluation of the structural safety, the assurance coefficient of structure can be received by loading structural models, the endogen force of computation structures, the eccentric compression and the safe criterion

    結構安全性評價,通過荷載結構模型計算結構內力,並根據偏心受壓構件的安全判定標準,評價結構的安全系數。
  6. And due to the heat expansile coefficient of the stainless steel rather high, the connecting force between the stainless steel pipe and the pipe coupling in the room temperature is much less than that between the titanium alloy pipe and the pipe coupling. the results accord with the tensile experiments well. finally, the dependence of dimensions of the coupling on the strength of the connector system is analyzed

    模型計算還表明,被接管材料和管接頭材料之間的熱膨脹系數的差異會造成管接頭系統的室溫強度低於高溫強度;由於不銹鋼的熱膨脹系數較大,使得室溫下1不銹鋼管與n立tinb形狀記憶合金管接頭間的抱緊力遠小於鈦合金管與nitinb形狀記憶合金管接頭間的抱緊力,成功地解釋了拉脫實驗中的結果。
  7. The stress state in the stainless steel pipe - titanium alloy pipe - nitinb shape memory alloy connector system is analyzed by using the theory of solid mechanics and the recovery rules of nitinb shape memory alloy with constrains on the basis of analysis of the structure of the connector system and the all steps in the preparation and the service. a mathematical model for the strength was proposed. the temperature dependence of connecting force and the maximal stress intensity in the pipe connector in the process of preparation and service was studied by programming and computing. the computing results show that the difference of heat expansile coefficient between the coupling material and the pipe material leads to the strength of connector system at room temperature less than the strength at high temperature

    通過分析管接頭結構以及制備、使用的各個步驟,運用固體力學的基本理論,結合nitinb形狀記憶合金在約束下的回復規律,對不銹鋼- -鈦合金管- -四川大學碩士論文nitinb形狀記憶合金管接頭系統內的應力狀態進行了理論分析,建立了強度的數學模型,通過編程計算,研究了不銹鋼一鈦合金管一nitinb形狀記憶合金管接頭系統裝配及使用過程中的抱緊力以及最大應力強度隨溫度變化的規律。
  8. For sliding contact, the coefficient of kinetic friction uk is defined as the ratio of the frictional force to the normal force.

    滑動接觸時,動摩擦系數Uk的定義是摩擦力與法向力的比率。
  9. For sliding contact, the coefficient of kinetic friction uk is defined as the ratio of the frictional force to the normal force

    滑動接觸時,動摩擦系數uk的定義是摩擦力與法向力的比率。
  10. With the increase of the relative velocity, the variations of side force coefficient and yawing moment coefficient of the overtaken vehicle will increase linearly

    被超車側向力系數和橫擺力矩系數的變化量隨兩車相對車速的增加呈線性增加的趨勢。
  11. Abstract : molecular deposition ( md ) film, a nano film, is assembled by the interaction of static charge between cationic and anionic compounds. the micro - friction properties of an md film on silica has been studied with atomic force microscope ( afm ). it has been found that the md film has lower coefficient of friction as compared with the original surface of silica. moreover, based on the analyses of the surface force versus distance curves, photographic image, friction force image, and modulated force image, it is concluded that the friction reduction effect of md film on silica is attributed to the surface adhesion reduction and surface micro - modification

    文摘:利用原子力顯微鏡對石英巖表面單層分子沉積膜的微觀摩擦特性進行了研究,發現該分子沉積膜具有一定的減摩性.通過對其表面力-位移曲線、表面形貌像、調制力像和摩擦力像的進一步分析表明,石英巖表面分子沉積膜具有減摩作用的原因在於它能夠降低表面的粘著力並對表面具有微觀修飾作用
  12. Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures

    此外,本文採用隨機有限元方法,將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量,應用蒙特卡洛理論進行計算機隨機取樣,對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估,得出了襯砌的相關位移與內力的均值和方差,並計算出了相應的襯砌結構可靠指標。
  13. The number of modes should be selected according to the participant coefficient of mode when calculating the internal force by the response spectrum method ; ( 4 ) the roof plate of large base which connect the towers together should be thick enough but not exceeding the proper scope that the towers and the large base can vibrate together, ( 5 ) in structures with large base and muti - towers, with increasing of the capacity of the large base, the inter - story shear force will increase while the inter - story displacement will decrease as to fulfill the ductility request to avoid the large base becoming weak story, but meanwhile, the upper story will turn into weak story, thus the coefficient r s should be within 2. 0 ~ 3. 0

    採用振型分解反應譜法計算結構內力時應根據振型參與系數選擇振型避免漏選;大底盤多塔樓結構連接各塔樓的裙房屋面剛度應做得大些,以保證底部裙房與上部塔樓共同振動,但也不能過剛;大底盤多塔樓結構底盤承載力的加強將使底盤層剪力增大、層間變形減小,但易於滿足延性要求,在一定程度上可避免底盤成為薄弱層。但底部加強會導致薄弱層的上移,因此採取提高底盤承載力的措施的效果是有限度的,承載力系數s宜取為2 . 0 3 . 0之間。
  14. Compared with the rudder control system, the paper introduced the character of the jet control system. then the matlab was used to reveal the relation between the control force coefficient and the deviation of the missile

    與空氣舵控制方式進行比較,說明了噴流控制力系統的特徵,利用matlab模擬模擬出兩個通道的控制力系數和偏差信號之間的關系。
  15. Through abnormally testing the foundation soft clay from a high - way in sichuan province, the paper researches the reason that volumetric strain, deformation and lateral force coefficient of saturated clay change with changing of degree of consolidation and time

    本文通過對四川某高速公路地基軟土的室內特性非常規試驗,深入探討了飽和粘土的體變、形變、側壓力系數隨固結程度,隨時間的變化機理。
  16. It also simulated the influence and relationship in the transfiguration resisting force, coefficient of he transfiguration resisting force, rolling area, rolling temperature, rolling pressure, loop length, the transition between loop length and loop high

    模擬模擬出了變形抗力、接觸面積、溫度、軋制壓力、活套套量、活套套量與套高轉換等各個模型之間的相互影響。
  17. The pressure of projectiles without lateral jets waves periodically and the magnus force coefficient is in excellent agreement with the experiment data

    光彈體彈丸表面壓力表現為周期性波動,從計算中得到的馬格努斯力系數與實驗值十分吻合。
  18. Methods for measuring the skid resistance of pavement surfaces - side - way force coefficient routine investigation machine

    路面防滑性的測量方法.側向力系數常規檢測機
  19. Bfc brake force coefficient

    制動力系數
  20. Lateral force coefficient

    側力系數
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