表面摩擦應力 的英文怎麼說

中文拼音 [biǎomiànmócāyīnglì]
表面摩擦應力 英文
skin friction stress
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 摩 : 摩構詞成分。
  • 擦 : 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...
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 力 : 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...
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  • 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. 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摩擦力驅動轉子運動。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、結構緊湊、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。
  2. In the present dissertation, friction - induced noises emitted by a flat specimen rubbing against another flat specimen or a ball specimen under reciprocating sliding are studied. the detailed observation of the scars is conducted by means of a scanning electrical microscope ( sem ), laser scanning microscope ( lsm ), optical microscope and profilometer. the dynamic state variables are analyzed in detail using the discrete wavelet transform

    使用電子掃描顯微鏡（ sem ） 、激光掃描顯微鏡（ lsm ） 、光學顯微鏡和表面輪廓測量儀等設備對摩擦噪聲發生的區域進行了詳細的觀察和分析，運用小波變換技術對摩擦噪聲狀態下的動力學變量進行了深層次的研究，應用matlab simulink語言對摩擦系統進行了振動動力學模擬，系統地研究了摩擦噪聲的形成機理。
  3. Skin friction stress

    表面摩擦應力
  4. The 3d model of mold is analyzed in 3d fem by using ugh. base on the analyses result, some danger structure of the model have been found and some suggestions of the mold modification are given. since doing a lot of research about the 3d cadvcae technology, a 3dcad system of selecting mold for aluminum material have been developed and the method of analyzing the 3d model is provided in this paper

    然後，為了能真實地模擬實際生產過程，進行鋁與模具鋼在一定表面粗糙度、不同溫度條件、不同潤滑接觸狀態下的最大靜摩擦系數實驗，總結摩擦系數隨溫度變化的規律性和取值范圍；最後，應用ug 17 . 0三維有限元cae模塊進行模具三維力場分析，根據三維有限元的結果分析，對模具危險部分進行預變形的處理和優化，改善模具受力變形的狀況。
  5. According to some hypothesis about tool surface, the relationship among the friction, roughness and hydrostatic stress was derived, and the limited hydrostatic stress was got when the sticky friction takes place

    同時，根據對工具表面的某些假設，推導了摩擦應力與粗糙度和靜水壓應力等之間的關系，並求出了發生粘著摩擦所需的靜水壓應力。
  6. By adoption this numerical model, the study has emphases on the effect of wave on the wind stress, wave on the bottom stress and radiation stress on the sea level. the study also has researched the effect of tide - surge to wave

    運用這個模式，重點研究了波浪對表面拖曳系數的影響；波浪對底摩擦應力的作用；輻射應力對潮汐風暴潮水位的影響以及潮汐風暴潮對波浪的作用。
  7. In real engineering, the two surfaces in sliding contact are rough. and it is an important theoretical part to calculate the coupled temperature and stress of sliding bodies having rough surfaces

    工程實際中，相互接觸的滑動摩擦表面是粗糙的，對粗糙表面的瞬時溫升和熱機械應力分析有重要的理論意義。
  8. One of the important step of decreasing abrasion is lubracation, and the old lubrication oils only decrease the abrasion of the relative movement surface following with extending its " using life. it does n ' t produce self - compensation film on the friction surface and does n ' t produce zero abrasion and self - compensation repairing effects

    減少磨損的重要措施之一是潤滑，然而傳統潤滑油只能起減少相對運動表面的磨損、延長其使用壽命的目的，而無在摩擦過程中產生自補償被磨損表面的能力，因此也就不可能產生零磨損效應和自修復效應。
  9. The fem results indicated that as to the rough surfaces in sliding contact, the value of the contact pressure was very high which coursed a high value of the heat flow rate, meanwhile the sliding time was not enough for the frictional heat to transfer, thus the highest value of the body temperature occurred just on the sliding surfaces, which possessed a sharp thermal gradient in direction perpendicular to the sliding surface. so the great thermal stress was caused just by the sharp gradient and the thermal elastic distortion with which the contact pressure changed occurred simultaneously, thus this change of the contact pressure would affect the temperature distribution in return

    對于相對滑動的粗糙表面，因實際接觸面積小而導致接觸壓力很大，這樣使得熱流密度會很大，同時由於滑動時間很短，熱來不及傳導，最高溫度發生在摩擦表面，在垂直於摩擦面的方向有很大的溫度梯度，使得熱應力很大，且最大應力發生在表面，同時產生熱彈性變形，這種變形使得接觸區域內的壓力分佈發生變化，這種變化又反過來影響了接觸區域的溫度分佈。
  10. Moreover, it was found that the microstructure and physical properties of dlc film were affected to some extent by the distance between target and substrate. when the distance between target and substrate increases, sp 3c content in the deposited dlc film decreases. accordingly, the value of surface roughness, microhardness, friction coefficient, residual stress and band gap became lower in the same way

    此外，靶基距對dlc薄膜的結構和性能也有一定的影響，隨著靶基距增加， dlc薄膜中的sp ~ 3c含量減少， dlc薄膜的表面粗糙度降低，顯微硬度降低，摩擦系數減小，殘余應力減小，光學帶隙eg減小。
  11. It is found that the microstructure and properties of as - deposited dlc films is seriously dependent on the substrate temperature used in deposition processes. with the increase of substrate temperature, sp 3c content in the deposited dlc film decreases, surface roughness and friction coefficient of deposited dlc films increase. at the same time, microhardness, residual stress and optical band gap became lower

    研究發現，基片溫度對dlc薄膜的結構和性能影響最明顯，隨著薄膜沉積過程中基片溫度的增加， dlc薄膜中的sp ~ 3c含量減少， dlc薄膜的表面粗糙度增加， dlc薄膜的顯微硬度降低， dlc薄膜的摩擦系數增大， dlc薄膜的殘余應力都是減小的，光學帶隙eg變窄。
  12. Based on the assumed vertical displacement of the unit cell and the assumed distribution on the pile - soil interface of the pure friction pile, and using the boundary conditions that there was no relative slipping between pile and soil, the pile decrement was equal to that of soil on the pile - soil interface and that the vertical sheer stress of the unit cell ' s outer edge was equal to zero, the formula for the frictional distribution of the pure friction pile and the formulas for the displacement of pile and soil in the treated area were deduced

    通過假定的單元體豎向位移模式和純摩擦樁樁側摩阻力分佈模式，利用樁土間無相對滑移、樁土界面處樁土壓縮量相等和單元體邊界處豎向切應力為零等邊界條件，推導出復合地基純摩擦樁樁側摩阻力分佈的具體表達式，以及加固區樁土壓縮量的計算公式。
  13. Precise response. the specially - treated friction plate is particularly responsive in terms of start - up and reduction times for torque

    應答敏捷. . .由於使用了特殊表面處理的摩擦板，扭力起動時間及扭力消減時間特別敏捷。
  14. Based on g - w contact model, two rough surfaces in contact were simplified to a smooth one and a rough one which has regular rectangular asperities, and a three - dimensional transient thermal and stress coupled fem model was established using thermal - structure sequential coupling. the course of the sliding with friction was simulated using the nonlinear multiphysics field fem, meanwhile considering thermal - elastic problems of the two bodies, to calculate and analyze the temperature, contact pressure and stress of the sliding contact surfaces with frictional heating

    基於g - w接觸模型，將兩個粗糙表面簡化為一個有規則排列的長方體微凸體的粗糙表面與一光滑表面，利用熱結構順序耦合建立三維瞬態有限元計算模型，考慮兩個物體摩擦接觸的熱彈性問題，採用非線性有限元多物理場來實現，對粗糙表面接觸模型的瞬時摩擦溫度場、壓力場和應力場進行了計算分析。
  15. The results show that the frictions caused by the wall of shear box will influence the distributions of stresses in specimens and the normal pressure stresses on the shear plane

    結果表明，剪力盒壁摩擦力將會影響試驗土樣中的應力分佈和剪切面上的正壓應力值。
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