管摩擦 的英文怎麼說
中文拼音 [guǎnmócā]
管摩擦
英文
pipe friction-
The pressure proportional elastic deformation of this bourdon tube is transmitted through a low friction movement to the knife edge pointer
波登管的壓力比例塑性變形通過摩擦力很小的機械裝置傳遞給刃形指針。The pressure pro - portional elastic deformation of this bourdon tube is transmitted through a low friction movement to the knife edge pointer
波登管的壓力比例塑性變形通過摩擦力很小的機械裝置傳遞給刃形指針。The pressure proportional elastic deformation of this bourdon tube is transmitted through al low friction movement to the knife edge pointer
波登管的壓力比例塑性變形通過摩擦力很小的機械裝置傳遞給刃形指針。Direct calculation method of air duct frictional resistance
風管摩擦阻力的直接計算方法Discussion on calculation of frictional resistance for gas pipeline
燃氣管道摩擦阻力計算的探討Secondly, detailedly analyzing reasons inducing these problems, author finds it is that not thinking of the slope of pipeline and the friction in the process of producing water hammer pressure functions, but, thinking of the effect of the slope of pipeline in the process of producing the consequent water hammer calculative continuity function, which results in the inconsequent illogicality in the whole process of producing
接著，對這些問題存在的原因進行了詳細分析，發現在當前推導水擊壓強公式的過程中沒有考慮管道的傾斜度和摩擦阻力的影響，而在後面水擊計算的連續性方程的推導過程中則考慮了管道的傾斜度，這就導致了在當前連續性方程的整個推導過程中前後矛盾的不合理現象。Friction characteristics of oscillatory laminar flow in straight tube
圓直管內層流振蕩流的摩擦特性To enter. the above micro - pipe mostly scathes inner pipe wall based on its friction locomotion mechanism
但是，微管道機器人多是利用摩擦機理運動，存在易損壞管道內壁等缺陷。The studied factors respectively are : length of soil nailing, insert deepness of piles, friction force of soil nailing interface, declination angle of soil nailing, horizontal spacing of soil nailing, rows of soil nailing, unit weight of soil, friction angle, unit cohesion, overload of slope, diameter of soil nailing
這11個因素分別為：土釘（錨管）長度、土釘直徑、土釘界面摩擦力、土釘下傾角、土釘水平間距、土釘排數、土體重度、內摩擦角、粘聚力、坡頂超載、板樁插入深度。Friction losses in the equivalent lengths of ducts constitute the pressure loss in the elbow.
管道的等量長度中的摩擦損失即構成彎管中的壓力損失。Product character ： good flow, film smooth, excellent adhesion, reduce the coefficient of rub and cut down the obstruction of transportation
作用同時可有效降低管道內壁摩擦系數，減少輸送阻力。The intubatton operating side of the lens body is smeared with the lubricative silicon oil, which can effeictively eliminate the friction resistence between the lens body and the trachea and hence make the clinic operation much more convenient
麻亮爽鏡體的插管操作面塗有潤滑硅油，有效地消除了氣管導管與鏡體的摩擦阻力，臨床操作更加方便。Study on friction resistance coefficient of straight tube
直管摩擦阻力系數的研究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
本文在總結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結構和傳熱特性（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結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、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。It utilizes two boltclamped langevin transducers with unanimous frequency characteristic which convert vertical vibration to flexural traveling wave. they are arranged on the place of a elastic pipe to generated traveling - wave. when the traveling - wave propagate, the particles on the elastic pipe traverse an elliptic trajectory, materiel is transported by friction or acoustic streaming
利用兩套頻率特性一致並以縱向振動方式工作的夾心式換能器，通過合理的布局在導管中激勵出行波，使輸送管管壁質點產生橢圓運動，從而利用摩擦或在液體中產生聲流來實現固體及液體的傳送。In order to improve the prediction accuracy, the sensitivities of pipe friction coefficients, pressure loss coefficients in bents, wall temperatures and heat transfer coefficients in pipes and cylinders on the volume efficiency are investigated
為提高充氣效率的計算精度，由模擬計算和相關試驗，分析了管道的摩擦系數、彎管的壓力損失系數、進氣管壁和氣缸壁溫度及其傳熱系數對充氣效率的影響程度。The results show that the heat transfer in intake manifold and cylinder has obvious effects on the volume efficiency, while the pipe friction coefficients and bent pressure loss coefficients have less effect
結果表明，進氣管和氣缸的傳熱對充氣效率的影響較顯著，而管道摩擦系數和彎管壓力損失系數對充氣效率的影響較小。Longer distances may, however, require recompression to compensate for friction losses during pipeline transfer
不過，運輸距離較長時，有可能需要再次加壓，以補償管線輸送過程中的摩擦損失。Chapter two constructed the mathematical model of robot and its environment solved by the fem analysis. the functions or relations between the robotic parameters and its drive forces, thickness or its velocities were given, and also the functions or relations between the environment and the robot force, friction, robot velocity, minimum thickness of film or sustain force of dynamic films were given
論文第二章通過建立機器人和環境的數學模型，利用有限元方法求解其中的n - s方程，得出管道中微型機器人的各種設計參數與機器人的驅動力、形成的最小潤滑油膜厚度和機器人的運行速度之間的關系曲線，研究了管道環境與機器人驅動力、摩擦阻力矩、機器人運行速度、形成的最小潤滑油膜厚度、油膜的承載能力之間的關系。Thereby, this paper has carried through an in - depth study on wear mechanism between tool joint of drill pipe and casing, problems caused by wear and measures to deal with wear based on researches at home and abroad. the research contents include : in order to reveal mechanism of wear occurred between tool joint and casing, distribution of the contact pressure between the tool joint and casing for different loads was obtained with finite element method. furthermore, the mathematical model of maximum contact pressure and the wear depth on casing was established
所以，本文在國內外研究的基礎上，對鉆桿與套管摩擦磨損的機理、引發的系列問題及其預防措施進行了深入研究，研究內容主要包括：為探討鉆桿接頭與套管摩擦磨損的機理，採用有限元法研究了不同載荷下接頭與套管之間接觸壓力的分佈規律，並建立了最大接觸壓力與磨損量的數學模型。分享友人