摩擦力結 的英文怎麼說

中文拼音 [jiē]
摩擦力結 英文
friction knot
  • : 摩構詞成分。
  • : 動詞1 (摩擦) rub 2 (用布、 手巾等摩擦使干凈; 揩拭; 抹) wipe; scrub; clean 3 (塗抹; 搽) spre...
  • : 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...
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • 摩擦力 : dynamical friction
  • 摩擦 : 1 (互相接觸的兩物體作來回相對運動) rub; chafe 2 [物理學] (相互接觸的兩物體在接觸面上發生阻礙相...
  1. So this base isolation technique has profound prospects. unfortunately there exist definite difficulties in the calculation because of the nonlinear of the base friction force. now, both the equivalent damping method and the numerical calculatin of the vibration response of the base - isolated buildings are frequently used in the calculation of the seismic response of the base - isolated building. however both of them have certain drawbacks. in this paper, the response of the building with base - isolation system is derived by the method of fourier expansion for the friction force and the earthquake response. at the same time, the sliding vibration character of inertia of a single mass structure and the sliding vibration response of a muti - mass structure are discussed. the stable condition of the sliding base isolation system of a structure is given. in the end, two circes of base fixation and base sliding are analyzed by adopting ansys

    本文利用對和地震響應進行付氏級數展開的方法導出了基底具有隔震系統的地震反應。同時,文中從研究單質點構的滑動振動慣性入手,進而對多質點構體系滑動振動反應進行探討,分別給出了構滑動隔震的自身穩定條件。最後,本文利用ansys對基礎固定和基礎滑移隔震兩種工況進行了動模擬模擬分析,進一步證實了基礎滑移隔規律。
  2. Being a sort of new principle micromotor in the fronitier of science. the ultrosonic motor ( usm ) is developed at recently twenty years. utilizing the stator surface particle elliptical motion excited by piezoceeramics, the usm is drived by friction force between the stator and rotor. compared with the conventional electromagnetic motor, the ultrasonic motor has the following features : high speed, high holding torque when power is off and so on. because of it ' s characteristics, the ultrasonic motor has obtained some widespread application in robots, precise instrument, house electronical appliance, sapceecraft automobile and micromechanism

    超聲波電機( ultrasonicmotor )是近二十年來發展起來的一種新原理電機,其原理不同於傳統的電磁型電機,它是利用壓電陶瓷的逆壓電效應使定子的表面質點產生橢圓運動,通過定子和轉子之間的驅動轉子運動。這種新型的電機與傳統電磁電機相比,具有響應快、不受電磁干擾、構緊湊、低速、大扭矩、斷電自鎖等優點,因而在微型機械、機器人、精密儀器、家用電器、航天器、汽車等方面顯示出廣泛的應用前景。
  3. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木構構件及構模型,對中國古代木構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及構功能進行了量化分析和實驗研究: (一)通過木柱石礎靜試驗,測定了柱腳與石礎古鏡面間的系數及隨上部構荷載變化的規律; (二)通過單柱承載試驗,測定了古建築中木柱的受變形特徵、破壞模式、及模型材料的變形模量、極限承載、極限變形等參量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載和極限變形、及榫卯減振參數; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間系數,斗?抗側移剛度,斗?恢復特性及滯回曲線,斗?抗壓極限承載及受變形規律; (五)通過抬梁式殿堂間架模型振動臺試驗,測定了殿堂木構架構自振周期,地震反應振形、阻尼特性及阻尼比;按構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  4. 5. numerous simulations are done with different initial docking misalignment by adams software and ddss : ( 1 ) influence of the contact columbus friction to simulation results is inspected ; ( 2 ) adams results are compared with that of ddss, both the results validate each other ; ( 3 ) simulation results show good capture ability of

    5 .對各種對接初始偏差,分別用adams與ddss進行了大量的模擬研究: ( 1 )考察了接觸點處庫侖對模擬果的影響; ( 2 ) adams與ddss對比分析果相互驗證了模型及演算法的正確性。
  5. So. the low speed jitter problem has been the central task in the servo system research. the improvement of the working precision at low speed is hindered by the disturbances of the friction moment and the motor torque wave, while the decrease of the disturbances is restricted by the making technology. for the reason, the research of the low speed properties and corresponding compensation methods means a lot for the optoelectronic tracking system

    轉臺伺服系統低速工作精度主要受到以矩、電機波動矩為主的擾動矩的影響,而矩、電機波動矩的減小又受到轉臺製造工藝水平的限制,所以,轉臺伺服系統的低速特性以及抖動補償研究,對構簡單、性能優良的精密光電跟蹤系統的研製,具有相當重要的意義。
  6. A two dimension small scale force sensor is developed which is used in the adhesion and friction tests, the sensor works well in the experiments. elastic modulus of nine different polyester / silicon rubber mixtures is tested, the results show that mixtures ’ elastic modulus increases with the aggrandizing of mass percentage of polyester. mixtures ’ adhesion abilitiy and especially mixture a ’ s adhesion - friction relationship are tested. these results provide experimental evidences for the fabricating of synthetic gecko hairs. lastly, a primary analysis of nanoscale hair modle is done, some hair preparation method is introduced, and the synthetic gecko foot hair fabricated by model moulding method is tested

    測試九種不同配比聚氨酯/硅橡膠合成材料的彈性模量值,得出合成材料的彈性模量隨聚氨酯質量百分比增加而增大的論;對九種合成試樣進行了粘著性能測試,對實驗果進行比較分析和討論;對粘著最大的a試樣進行粘著關系的實驗,得出粘著狀態下a試樣與粘著成線性關系的論。
  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、二次流構、溫度分佈、壁面系數比以及管道nusselt數的影響,獲得了若干創新性成果。
  8. Dld clutches are singledisc clutches for dry operation, without sliping the coil not rotating. high transmitting torque, quick response and no drag torque

    Dld系列系無滑環乾式、通電型工作的單片電磁離合器,線圈不旋轉,一個副,構緊湊,傳遞矩大,響應迅速,無空載損耗。
  9. Dld2 clutches are singledisc clutches for dry operation, without sliping the coil not rotating. high transmitting torque, quick response and no drag torque

    Dld2系列系無滑環乾式,通電型工作的單片電磁離合器,線圈不旋轉,一個付,構緊湊,傳遞矩大,響應迅速,無空載損耗。
  10. It is shown that : with the enhancement of er effects, the pressure and the thickness of lubricant film are obviously increased, while the friction coefficient and force are increased, the leak flow is reduced

    計算果表明:隨著電流變效應的增強,油膜壓和油膜厚度都有明顯提高,但是系數和有所增加,端泄流量有所減小。
  11. In this thesis summarize how to avoid and deal with the negative friction in designing and using. researches indicate : ( 1 ) the negative friction in pile will lead to large number of down load in some designs. this friction must be considered in design to avoid the sedimentation and destroy in the building

    研究果表明: ( 1 )在工程設計中,有些情況由於負產生的下拉荷載數值相當大,在設計中應充分給予重視,以避免在使用中由於下拉荷載使樁的軸向荷載增加引起樁的沉降或不均勻沉降,而導致建築物的破壞。
  12. The tendency of the simulated curves of pull out forces vs. displacements agrees well with experimental results, indicating the use and power of the present approach

    模擬出的抽拔隨位移的變化曲線,能明確顯示出界面脫粘的開始、束,以及完全脫粘后克服的滑移過程,驗證了其應用的合理性。
  13. Non - sinusoidal oscillation has the characters that the upward time of the continuous casting mold is longer than the downward time. it can reduce the friction between the mold wall and the strand surface, and prevents the strand from leaking and cracking, it can also improve the surface quality of slabs. it is the main development of continuous casting mold in the future

    其中非正弦振動具有上升運動時間比下降運動時間長的特點,能減小晶器與坯殼之間的,防止坯殼的拉漏和拉裂,改善鋼坯的表面質量,是今後連鑄晶器振動發展的主要方向。
  14. This article has primarily analyzed the reason of the influence of the third generation of long drafting technology on the product quality, holding that by use of the third generation of long drafting technology, the friction force of the nips is increased, the floating fiber is effectively controlled, fiber speed changing point goes forward and fiber movement is more stable which lead to the improvement of product quality with obvious reduction of thin or thick places and neps

    摘要對細紗機第三代大牽伸工藝影響產品質量的機理進行了分析,認為採用第三代大牽伸工藝后,鉗口的界得到增強,浮遊纖維得到有效控制,纖維變速點集中而前移,纖維的運動更趨平穩,產品質量有所提高,特別是每千米細節、粗節、棉明顯下降。
  15. The research of macro friction phenomena is a synthetically analytical method based on test. however, in micro world, the friction force and vertical press are all minute, which brings difficulties to test. when high measure precision is required, the resolution and sensitivity will be higher and not easy to obtain

    宏觀現象的研究一直是採用以試驗為基礎的綜合分析方法,對于微研究,由於微機電系統構體積比較小,且所測和正壓亦為微小量,這就給微測試裝置的實現帶來了很大的困難。
  16. It has been derived the design equation, the engaging condition and the formula of overriding friction torque. this has laid an important theoretical foundation for further reliability optimum design. then we can make the clutch have small size, light weight, less friction, flexibility of overrunning in opposite direction and smooth joint at high speed

    本文吸收了機械操縱式超越彈簧離合器的優點,在構上進行了新的設計,在理論研究上進行了新的探索,推導出了設計方程、自激接合條件和超越矩計算式,為進一步採用可靠性優化設計奠定了重要的理論基礎,使設計的離合器尺寸小、重量輕、損失小,反向超越靈活,在高速下接合平穩,並通過實驗驗證,說明其理論分析是正確的。
  17. Through the study with non - linearity friction on simulation model of the stabilized system, in theory the analysis of the angular acceleration loop ' s contribution is given. in testing platform, the measure devices of angular acceleration and velocity constitute the double loops, they are angular acceleration loop and angular velocity loop. and this experiment gives the proof that the angular acceleration loop could eliminate the errors which are taken by the motor ' s reversing

    最後,本文在理論上分析角加速度環對隔離度的貢獻;通過對含有非線性矩的平臺穩定系統模擬模型的研究,從理論上驗證角加速度環具有克服矩的能;在實驗轉臺上加入由線加速度計構成的角加速度測量裝置,並與測速機構成角加速度環、角速度環雙環構,驗證了角加速度環對電機換向誤差的消除作用。
  18. The test of negative skin friction along the single pile or wharf bent piles, which is modeled after piles of zanjiang harbor, is studied

    合湛江港某碼頭工程基樁,用模型試驗模擬現場地質情況,對港口單樁、排架樁基負進行模型試驗。
  19. The horizontal load actions of wind, wave, current and ice may cause the offshore platform sliding, and the platform sliding resistance includes soil cohesion, friction and soil resistance, so the bucket foundation platform should be designed to meet the requirements of stability against sliding to ensure the overall stability of platform

    平臺在海上受風、浪、流、冰等水平載荷作用產生滑移,而土壤粘和土抗是平臺的抗滑,桶基平臺應滿足抗滑穩定的要求,以保證平臺的整體穩定性。
  20. Guideline for reporting friction and wear test results of manufactured carbon and graphite bearing and seal materials

    人造碳和石墨軸承與密封材料的和磨損果報告指南
分享友人