boundary friction 中文意思是什麼

boundary friction 解釋
邊界摩擦
  • boundary : n 邊界,疆界,限界 (between);(球場)邊線;界標;界限,范圍,分野。 aboundary dispute 邊界糾紛...
  • friction : n. 1. 摩擦,阻力。2. 傾軋,沖突,不和 (between)。3. 擦熱皮膚。
  1. Boundary friction is independent of the guide material used.

    邊界摩擦與導紗桿材料質地無關。
  2. Based on the ostwald - de waele equation, the leakage characteristics of power - law transmitted by helical gear pump are researched, and the leakage model of power - law in the clearence is founded, and - the velocity distributing and the leakage capacity are worked out by the boundary condition. the power loss of leakage is got through the clearence leakage capacity, and the friction power loss is attained by the velocity distributing. the mathematic calculation model

    利用冪律流體本構方程,首次對聚合物流體在斜齒齒輪泵中的漏流特性進行了研究,建立冪律流體在間隙中的泄漏模型,利用邊界條件求出速度分佈及泄漏量;由間隙泄漏量得到漏流損失功率,由速度分佈得到流體摩擦功率損失,並得到間隙最優解的數值計算數學模型,同時給出實例及數值計算結果。
  3. Friction increases with increasing fiber surface roughness in the boundary and semiboundary.

    在邊界和半邊界區內,摩擦隨纖維表面粗糙度的增加而增加。
  4. Boundary - layer skin friction

    邊界層表面摩擦
  5. Boundary layer skin friction

    邊界層表面摩擦
  6. Neural network model for examination of the temperature characteristics of boundary film on friction surface

    摩擦表面邊界膜溫度特性的神經網路模型
  7. Recent studies of grain boundary internal friction

    晶界內耗的研究
  8. Firstly, the hertz contact theory is used to design the export moment of the prototype ; deformation status of the flexspine under the elliptical cam wave generator action is analyzed using the column shell theory, whose boundary condition is four force action. design proposal of the wave producer put forward considering the precision theory of rolling friction transmission

    首先用赫茲接觸理論對樣機的輸出力矩進行了設計;應用四力作用下的光滑圓柱殼體理論分析了在橢圓凸輪波發生器作用下柔輪的變形狀況,結合滾動摩擦副傳動精度理論提出了波發生器總體設計方案。
  9. The project of the experimental and theoretic research on friction reduction by microbubbles for high - speed ships, supported by the national natural science foundation of china ( no. 19772050 ), aims to study the key technology of air - jetting devices and its relevant problems, theoretically predict the law of bubble diffusing in the boundary layer and calculate the friction of the hull

    國家自然科學基金項目「高速氣泡船減阻試驗及理論研究」的目的在於研究高速氣泡船噴氣裝置的關鍵技術及其相關問題,並從理論上預測噴氣氣泡在船底邊界層的擴散規律和計算船體摩擦阻力,為將這一技術應用到實船上提供基礎。
  10. Result of numerical simulation shows that the grads of continuous phase " s velocities decreases with the presence of microbubble of which the diameter is 100 / / w, the profiles of air volume fraction in the boundary layers is similar to triangle or echelon, affected by interaction among the particle, there is a saturated air fraction, within the scope of saturated air fraction, increasing the air injection ratio can accrete the friction reduction ratio, under the condition of same air injection ratio, the free - steam velocity is larger, the effect of friction reduction is worse

    計算結果表明,直徑為100 m的微氣泡能減小近壁面連續相的速度梯度;微氣泡在邊界層中的濃度分佈近似為三角形或梯形分佈;受粒子間相互作用的影響,存在一飽和濃度;減阻率隨噴氣量的增大而增大,直至飽和噴氣量,此後,增大噴氣量,壁面摩擦阻力變化不大;相同噴氣量下,來流速度越大,減阻率越低。
  11. The effect of wave radiation stress is considered in the compound fluid model. the value of bottom friction is offered by the wave - current bottom boundary layer model

    復合流場學模型中考慮了波浪輻射應力的作用,底摩擦由波?流相互作用邊界層模型提供。
  12. The velocity profiles along the channel section are measured using the laser doppler anemometer. according to the velocity distribution, boundary shear and the coefficient of friction between the flow and rubber panel, is determined

    採用多普勒激光測速儀對過流斷面的流速分佈進行了測量,並根據流速分佈推求出壩面上橡膠板所受的水流剪應力,和水流對橡膠板的摩阻系數。
  13. 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。
  14. Sio _ 2 nano particle concentrates in the boundary lubricant film in the process of friction can repair the wear surface, embody the fine anti - wear performance

    Sio _ 2納米微粒,在摩擦過程中富集在邊界潤滑膜內,能夠對磨損表面起到修復作用,表現出優良抗磨性能。
  15. In this paper, the internal friction of foamed al - si alloy ( zl104 ) in different bending modes was investigated, for getting the characteristics of the internal friction of foamed metal in different boundary conditions

    摘要為了獲得不同邊界條件下泡沫金屬的內耗特徵,通過採用動態機械分析儀在不同彎曲模式下對泡沫鋁硅合金的內耗進行實驗研究。
  16. All of the results indicated the turbulent boundary layer had been turned into the laminar layer. the skin friction coefficient drops rapidly. this result not only proved the phenomenon of reverse transition had occurred, but also showed that this condition was drag - reducing condition

    實驗結果表明板面附近的流動已由湍流流動轉變為層流流動,同時平板表面的摩擦系數較沒有溫度梯度時有大幅度下降,不僅證明了邊界層逆轉捩現象的存在,也說明了這種條件起到了減阻的效果。
  17. In order to resolve the friction between rotating and stationary parts of steam turbine unit, the boundary condition and temperature field of them should be known

    為了解決汽輪機動靜間隙的碰磨問題,需要計算汽缸和轉子的溫度場。
  18. Analyze 1000hpa stream field evolvement chart, a southwest - northeast combine strap was forming in liaoning province by southwest air current and northwest air current. level combine induce the combine strap cyclone bend, whorl degree intension increase. boundary layer friction combine bring to ascend and come into being small measure cumulus convection pyrogenation

    高低空急流的耦合是此次強對流爆發的重要觸發機制,高低空急流在耦合的過程中, 300hpa高空急流強度超過50m s , 850hpa低空急流強度超過20m s ,而且低空急流與高空急流剛好在高空急流出口區的位置上相交,對強對流爆發有利。
  19. We may all agree that the local physics of fracture or friction play a strong role, but how do these scale from the controlled conditions of the laboratory to the field case, how do we account for changes in the boundary conditions, and how do we take into account the strong interactions between faults during earthquakes

    我們可能都同意破裂或摩擦的局部物理性發揮重要的作用,但是如何將基於實驗室控制狀況獲得的這種信息用來標度現場地震事例的情況,我們如何去計算考慮邊際狀況中的變化,我們又如何計算考慮地震期間斷層之間強烈的交互作用? 」
  20. Study on the friction - wear properties of carbon steel under boundary lubrication conditions

    碳素鋼在邊界潤滑狀態下摩擦磨損性能的試驗研究
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