流體摩擦 的英文怎麼說

中文拼音 [liú]
流體摩擦 英文
fluid friction
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 體構詞成分。
  • : 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...
  • 流體 : [物理學] fluid; fluor流體力學 fluid mechanics; hydromechanics; 流體生物學 hydrobiology; 流體運動學 hydrokinematics
  • 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. The frictional force between a particle and fluid counterbalances the weight of the particle.

    顆粒與之間的力與其重量相平衡。
  2. The hyperbolic conservation laws with relaxation appear in many physical systems such as nonequilibrium gas dynamics, flood flow with friction, magnetohydrodynamics, etc. firstly, the thesis proves that there exists a unique global smooth solution for the cauthy problem to the hyperbolic conservation laws system with relaxation ; secondly, in the large time station, the thesis proves that the global smooth solutions of the hyperbolic conservation laws system with relaxation converge to rarefaction waves solution at a determined l ( p > 2 ) decay rate

    帶鬆弛項的雙曲型守恆律組出現在諸多的物理系統中。例如,非平衡態的氣動力學、帶的水、磁動力學等。本文首先證明,帶鬆弛項的雙曲型守恆律組的柯西問題的整光滑解的存在唯一性;其二,證明了帶鬆弛項的雙曲型守恆律組的解與相應的平衡態守恆律的稀疏波解在大時間狀態下的l ~ p衰減率。
  3. 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

    利用冪律本構方程,首次對聚合物在斜齒齒輪泵中的漏特性進行了研究,建立冪律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。
  4. Friction between the spinning glass and the liquid inside causes swirls of fluid to appear and disappear, displaying intricate flow patterns

    旋轉的玻璃與當中包含的液互相,形成不斷生滅的旋渦,展現出錯綜復雜的動形態。
  5. Friction between the spinning glass and the liquid inside causes swirls of fluid to appear and disappear, displaying intricate flow patterns. these patterns resemble the atmospheric storms on earth, jupiter, saturn, uranus, and neptune

    旋轉的玻璃與當中包含的液互相,形成不斷生滅的旋渦,展現出錯綜復雜的動形態。這些形態與地球、木星、土星、天王星及海王星上的大氣風暴相似。
  6. The big dipper colloid mill principle of work full sound of something astir grinding pan tooth profile incline relative motion but becomes, high speed revolves, another static causes the material to receive the enormous shearing force and the friction force through tooth profile incline between material, at the same time and so on under the complex strength function causes the material for the fluid ultramicron smashing, the emulsification, the disperser, isotropically at the high frequency vibration and the high speed whirlpool, to stir and so on the function, may replace and surpass the stone mill, the sand blast machine, the ball mill, the breast is uniform machine, cuts the mulser, three rollers machine, organizes working efficiency and so on the stamp mill

    七星膠磨工作原理充分動靜磨盤齒形斜面的相對運動而成,其中一個高速旋轉,另一個靜止使物料通過齒形斜面之間的物料受到極大的剪切力和力,同時又在高頻震動和高速旋渦等復雜力的作用下使物料為超微粒粉碎、乳化、分散、均質、攪拌等功能,可代替並優于石磨,砂磨機、球磨機、乳勻機、剪切乳化機、三輥機、組織搗碎機等工作效率。
  7. Seven stars colloid mill principle of work full sound of something astir grinding pan tooth profile incline relative motion but becomes, high speed revolves, another static causes the material to receive the enormous shearing force and the friction force through tooth profile incline between material, at the same time and so on under the complex strength function causes the material for the fluid ultramicron smashing, the emulsification, the disperser, isotropically at the high frequency vibration and the high speed whirlpool, to stir and so on the function, may replace and surpass the stone mill, the sand blast machine, the ball mill, the breast is uniform machine, cuts the mulser, three rollers machine, organizes working efficiency and so on the stamp mill

    七星膠磨工作原理充分動靜磨盤齒形斜面的相對運動而成,其中一個高速旋轉,另一個靜止使物料通過齒形斜面之間的物料受到極大的剪切力和力,同時又在高頻震動和高速旋渦等復雜力的作用下使物料為超微粒粉碎、乳化、分散、均質、攪拌、混合等多種功能,可代替並優于石磨,砂磨機、球磨機、乳勻機、剪切乳化機、三輥機、組織搗碎機等工作效率。
  8. Pneumatic fluid power systems. cylinders. measurement of friction forces. laboratory method

    氣壓動力系統.氣缸.力測量.實驗室方法
  9. 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傳熱為物理模型,通過攝動方法和有限積法,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動的動結構和傳熱特性(包括耦合對傳熱特性)以及旋轉曲線管道開口段發展動的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、二次結構、溫度分佈、壁面力、系數比以及管道nusselt數的影響,獲得了若干創新性成果。
  10. 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,從而利用或在液中產生聲來實現固及液的傳送。
  11. When a meteoroid with a speed of tens of kilometers per second hits the earth s atmosphere, the friction with air will heat up the meteoroid. the high temperature will cause the surrounding atmosphere to glow, creating a bright streak of light called a

    以每秒數十公里的速度進入地球大氣層,由於與空氣而產生高熱,高溫令四周空氣發光,形成一條劃破天際的光跡,我們稱之為
  12. Two ingredients may contribute to researchers " favors to these issues : one is from the practical problems facing china in changing its business system, which may be described as follows. 1. the change of organizational forms is so far from the modern corporation institution in nature that a business cannot be run well without the normative corporate governance

    這個問題之所以受到人們的「青睞」與下列因素密切相關:從實踐層面上看,企業形態的轉換只是完成了現代企業一般框架的構築,要想真正規范地運作起來,決然離不開公司治理結構;我國企業領導制度在新舊制轉換過程中相互及掣肘之處甚多,亟待悉心梳理、解決;企業股東會和董事會於形式,已經嚴重地影響了公司制企業的正常運作。
  13. Fluid physical properties, pressure measurement, forces due to static fluids, bernoulli ' s equation, general energy equation, energy losses due to friction, pipe line systems, pump selection and application, open channel flow

    本課程含物理性質、壓力測量、沉平面和曲面所受作用力、柏努利方程式、一般能量方程式、形成的能量損失、管線系統、明渠、泵的選擇與應用。
  14. In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards

    論文第三章針對組成系統的各個模塊進行了機理建模,並且通過matlab軟中的simulink圖形化模擬環境進行了本課題系統的模擬研究,主要針對影響系統特性的主要參數變化,動態分析系統的輸出特性,在上下行工況中,分析了電機軸系粘性阻尼系數、軸系力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器氣容積、液壓缸柱塞粘性阻尼系數以及不同運行樓層工況等參數對系統特性的影響;最後對軸向柱塞泵馬達的量壓力脈動對電梯轎廂速度的影響和蓄能器內油液積損失機理進行了理論研究。
  15. In chapter 2, an accurate modified reynolds equation is derived. the modified reynolds equation is solved numerically with the finite different method, the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction under the rectangular screw are obtained. at last, using numeral methods and coordinate graphs, the influences of rectangular screw parameters on the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction are studied and analyzed

    第二章,首先推導了非牛頓的變形雷諾方程,化簡了雷諾方程,得出了矩形螺紋下有限差分方程;還推出了矩形螺紋作用下軸向牽引力、粘液膜厚度、粘液膜承載能力、周向阻力無量綱表達式,最後用數值計算方法求解,通過坐標圖分析了矩形螺紋參數對軸向牽引力、最小粘液膜厚度、粘液膜承載能力、周向阻力的影響。
  16. The experimental results of the flow characteristics of the mmc heat sink indicate that the critical reynolds number signifying the transition from laminar flow to turbulent flow is in advance ; under the same experimental conditions, the variation in entrance direction of the microchannel inlet and outlet has little effect on the microchannel ; the experimental values of the friction factor of the de - ionized water in a microchannel agree well with those calculated using the theoretical laminar formula ; furthermore, a comparison of the experimental results and simulation results shows that navier - stokes equation and rng - turbulence model can be used to model the laminar and turbulence flow regions in a microchannel ; meanwhile, the correlations of the flow resistance in the turbulent flow regions for the de - ionized water as the working fluids are obtained from experiments

    對歧管式單通道熱沉動特性的研究結果表明,微通道內態由層向紊轉變的臨界雷諾數提前;改變的進出口方向對熱沉總壓降造成的影響很小;系數的實驗值與理論值較接近;數值模擬結果能夠與實驗值較好吻合;並由實驗給出了紊動阻力的實驗關聯式。此外,選用十二烷基硫酸鈉( sodiumdodecylsulphate , sds )以及烷基多糖苷( alkylpolyglycoside , apg )作為減阻添加劑,研究了表面活性劑添加對微通道動特性的影響。
  17. The tlow distance and gelating time of the nanocomposites were shorter than that of the pure pf, which meet the standard of the pf used in frictional materials. compared to the pure pf, the silica7pf nanocomposites exhibited excellent heat stability only in nitrogen atmosphere, however, so do vermiculite / pf nanocomposites in both nitrogen and air atmospheres. compared to the brake pad based pf resin, the wear rate of the present one based with silica / pf nanocomposite decreased obviously, especially in high temperature

    用烷基銨ctab和kh - 560對蛭石進行有機化處理,通過原位聚合法制備了酚醛樹脂接枝改性sio _ 2納米復合材料、酚醛樹脂kh - 560改性sio _ 2納米復合材料、酚醛樹脂ctab改性蛭石納米復合材料、酚醛樹脂/ kh . 560改性蛭石納米復合材料,採用ftir 、 xrd 、 afm和tg分析與動距離、凝膠化時間的測試,研究了所制備的酚醛樹酯納米復合材料的結構、固化行為和熱穩定性能,並研究了以酚醛樹酯納米復合材料為基的剎車片磨損性能。
  18. As a result, the fluid moved through short, straight pipes instead of tracing circuitous paths, further reducing friction and capital costs

    這麼一來,行經的管路更短更直,不需要繞道拐彎,更加降低力和投資成本。
  19. Fluent can imitate relation curve about heat transfer coefficient k and re, friction resistance coefficient f and re, the isoline about dot metrix between velocity field and temperature grads field. it also drafts several operating mode simulated stream field, velocity and temperature grads field

    應用fluent軟擬合出傳熱系數與re關系曲線、阻力系數與re關系曲線、速度與溫度場梯度點積值的等值線圖, nu較大的幾個工況的模擬場、速度和溫度梯度場。
  20. Fluid friction, less wear of belt, service life being as fitted with safe protection device

    流體摩擦,膠帶磨損小,壽命提高一倍。
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