管道摩阻 的英文怎麼說

中文拼音 [guǎndàomózǔ]
管道摩阻 英文
pipe friction resistance
  • 管 : Ⅰ名詞1 （管子） pipe; tube 2 （吹奏的樂器） wind musical instrument 3 （形狀似管的電器件） valve;...
  • 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
  • 摩 : 摩構詞成分。
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 管道 : [工業] pipeline; channel; tunnel; piping; canalis; pipe run; duct; conduit; conduit pipe; ducting...
  1. Discussion on calculation of frictional resistance for gas pipeline

    燃氣管道摩擦阻力計算的探討
  2. 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。
  3. This paper elaborates on principles and calculation methods of experiment of prestress tube frictional resistance and also makes data procession of the experimental results by using least - square method

    摘要詳細闡述了預應力束管道摩阻試驗的原理及計算方法，採用最小二乘法對試驗結果進行數據處理。
  4. 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。
  5. 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。
  6. In this paper according to the design scheme of yao heba power station in nan yahe river, the mathematical model with longer and complicated conduit system, elastic water hammer and pid regulating low of voter turbine adjusting system in the case of the small fluctuation has being built, which include conduit system, surge tank, draft tube, water turbine, generator and governor. the hydraulic losses are taken into account, and nonlinearization in water turbine and the governor is also taken into account

    本文根據南椏河姚河壩水電站的設計方案，對水輪機調節系統，按長引水管道復雜引水系統、彈性水擊、調速器為pid調節規律，在小波動情況下，對包括引水道、調壓井、尾水管、水輪機、發電機、調速器在內的水輪機調節系統建立數學模型，並計及引水管道水力摩阻損失，對水輪機、調速器考慮了其中的非線性，利用功能強大的matlab軟體編制了源程序進行計算機模擬計算。
  7. Based on that, prestress tube fictional resistance experiment to a real project has been conducted, so that after careful analysis and calculation, accuracy of working on this project has been berified

    在此基礎上，利用某實際工程進行了預應力束管道摩阻試驗，並詳細分析計算，最後驗證了該施工原理的準確性。
  8. The paper introduces experience of selecting hydraulic calculation formula and illustrates calculation of critical velocity of flow ( or critical pipe diameter ) and friction loss of pressure pipe in tailings transport and how to select the formula with examples

    介紹工程實踐中，選用水力計算公式的體會，對尾礦輸送中臨界流速（或臨界管徑）和壓力管道摩阻損失的計算以及如何選用公式分別作了舉例說明。
  9. 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流動特性的研究結果表明，微通道內流體流態由層流向紊流轉變的臨界雷諾數提前;改變流體的進出口方向對熱沉總壓降造成的影響很小;摩擦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;並由實驗給出了紊流區流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流動特性的影響。
  10. In order to know the relationship between gas - content and pipeline ' s pressure drop, the thesis deduces the pressure drop calculating equations based on uniform flow pattern and separating flow pattern. the equations show that pressure drop is made up of three parts, that is, friction resistance effect, gas acceleration effect and the gravity effect. and the research has shown that the gas has little effect on pressure drop. in the horizontal pipeline, the resistance effect must be overmatched the acceleration effect

    為探討加入的氣體對管道壓力的影響，本文基於分相流和均相流兩種模型分別推導了三相流管道的壓降公式，表明無論是分相流模型，還是均勻流模型，管道內流體總的壓降是由三項組成的，即摩擦項、加速項和重力項，並得出了加氣對管壓變化不大的結論，所以認為在水平管道中，要獲得有效的減阻，則要使摩擦阻力分量的減小效應大於漿體加氣的加速效應。
  11. This paper offers a method that can avoid the incorrect or rough methods mostly accepted now, and this method considers the temperature change along pipeline, the difference of friction loss in turbulence zone and the throttle effect in cross - section of reduced pipe

    針對現有的靜態模擬演算法存在的錯誤和不足，提出了一種更為精確的模擬演算法，該演算法除考慮了管道沿線的溫度變化、處于不同的紊流區摩阻損失的大小不同之外，還考慮了變徑管道在變截面處存在節流效應等問題。
  12. On the basis of research results of the existing experts and scholars especially the theory put forward by professor xu zhenliang ( my tutor ) that predicts the velocity profiles and friction loss of settling slurry when it flows in horizontal pipe and upward - inclined - pipe, relations among the velocity of water, that of solid particles and that of settling slurry have been established by the analysis of momentum transmission process between water and solid. then the calculation formulae for fricton loss of downward inclined and vertical pipe are deprived

    本文在現有專家學者的研究成果特別是許振良教授（導師）提出的預測非均質流在水平管道及向上傾斜管道流動時的速度分佈及摩阻損失的理論的基礎上，從動量守恆的角度建立了清水速度、固體顆粒速度和漿體速度之間的關系，進而推導出了向下傾斜及垂直管道沉降性漿體輸送的摩阻損失的計算公式。
  13. Result of study indicates that the momentum input along with the branch flow toward the downstream and the additional friction induced by the mixing of main streams with branch flows should be considered for rational analysis of the local energy loss at junctions

    研究結果表明，正確分析管道匯流口水流的局部能量損失機理，必須考慮匯入斷面上支流沿下游主流方向的動量輸入和主支流間相互摻混引起的附加摩擦阻力的影響。
  14. Friction loss of solids under fully sliding in inclined pipeline

    傾斜管道顆粒完全滑移的摩阻損失
  15. In long distance slurry pipeline transport project, it often need to calculate friction loss of settling slurry in inclined pipeline, but up to now, the research about this aspect is not much

    長距離漿體管道輸送工程中，常常要涉及到傾斜管道漿體輸送的摩阻損失問題，而對于這方面的研究到目前為止，並不是很多。
  16. Depending on different natures of materials to be conveyed, the pipe inner surface can be lined with a metal either the same as or other than the pipe base metal by means of the plastic deformation complex technique so as to meet the following requirements : 1 ) increasing both corrosion resistance and wear resistance of the pipe inner surface ; 2 ) reducing the friction factor and the resistance against the materials being conveyed in the pipe line ; 3 ) easy processing, installation and maintenance of the pipe line

    根據輸送物料的性質，採用塑性變形復合方法在管道內壁鑲襯異種或同種金屬管，可以實現以下目的：增強管道內表面的耐腐蝕性和耐磨性；降低摩擦系數，減小物料的輸送阻力；便於管道的加工、安裝和維修。
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