pipe diameter 中文意思是什麼

pipe diameter 解釋
管直徑
  • pipe : n 1 管，導管，筒。2 煙斗，煙袋；一袋煙。3 〈古語〉笛，管樂器；【航海】（水手長的）哨子（聲）；〈p...
  • diameter : n. 1. 直徑。2. （顯微鏡等的）放大倍數。
  1. Abstract : the paper introduced the theory of piping transportation of the 1 500 deadweight ton bulk cement barge, and provided the numeration and selection method of main parameters, such as pipe diameter, wind pressure, flux, etc

    文摘:介紹了1500t散裝水泥運輸船的水泥管道輸送原理，給出了該船上壓縮空氣管、流化空氣管和水泥裝卸管的管徑、風壓、流量參數的計算和選用方法。
  2. Feeding pipe diameter

    送料管直徑
  3. Modify above model along with altering structural form or the constitution of the bridge, such as different standard, steel ratio, steel pipe diameter, concrete module, brace allocation, the length of concrete of the main ribs, suspending pole mode and cable local vibrations, calculate the variety of dynamic character, analyze this factors which will affect. 2

    對斜拉拱橋自振特性進行參數分析，分別考慮了不同規范、含鋼率、拱肋鋼管直徑、混凝土彈性模量、橫撐布置、拱肋段混凝土長度、吊桿形式對自振特性的影響，最後考慮了斜拉索局部振動對自振特性的影響。
  4. Produced pipe diameter range

    生產硅芯管管徑范圍
  5. Traction pipe diameter range

    牽引管徑范圍mm
  6. Cutting pipe diameter range

    切割管徑范圍mm
  7. Fluid flow pipe diameter

    液體流動管徑
  8. Using the literature materials and experience before, this paper makes a thorough study on optimal design of water supply networks. an algorithm of decomposing and coordination of system engineering which divides the optimization of the whole networks into three parts, i. e. optimization of water resource flow, and pipe - diameter and standardization of pipe - diameter is proposed. the three parts can be resolved by generalized contracted grads method, hybrid genetic algorithm which is the combination of genetic algorithm and grg method separately

    本文根據以往的文獻資料及相關工程經驗，針對給水管網優化設計這一課題做了深入的研究，提出利用分層分解協調演算法將管網優化設計問題分解成流量優化、管徑優化及管徑取整三個子課題的思想，並分別採用廣義簡約梯度法、遺傳演算法與廣義簡約梯度法相結合的混合遺傳演算法及簡單遺傳演算法來求解三個課題。
  9. The preferences are analyzed, pipe ’ s parameters such as depth, thickness, pipe diameter, and mechanical property of material ; soil parameters such as soil types, internal friction angle, pipe - soil interaction ; fault ’ s parameters such as fault types, fault throw, fault drop, fault - pipe angle, mechanical property of material ; load types such as gravity force, linear displacement load, seismic load and seismic wave. some conclusions are drawn from the calculating results : when buried pipes cross fault, pipe ’ s embedded depth should be shallow, and big pipe diameter and thick wall should be selected. avoid the site where fault moves severe, and select suitable pipe - fault angle

    在有限元三維模型建立中考慮的因素有:管道自身參數如管道埋置深度、管壁厚度、管徑、管道材料等;巖土材料參數如土體類型、巖土的內摩擦角、管土相互作用等;斷層考慮有斷層類型，斷層斷距，斷層錯動距離，斷層與管道的交角，斷層材料的考慮等;荷載分別考慮靜荷載，動荷載，其中動荷載包括線性位移加載、地震力加載和地震波加載等。
  10. The influence of insulation effect and resistance property of the cryogenic system on the temperature rise was discussed, the formula of flow temperature rise and optimal flow rate was deduced, the relationship among the flow rate, pipe diameter and flow temperature rise was analyzed and the way to determine flow rate and pipe diameter was introduced

    摘要論述了低溫系統絕熱性能和流阻特性對液流溫度的影響，推導了液流溫升及最優流速公式，分析了流速和管徑與液流溫升的關系，提出了確定流速和管徑的方法。
  11. Aiming at the present low efficiency of well irrigation works and through pumping tests and theoretical analysis, the paper derives a method for calculating the optimum water yield, the best lifting distance and economic pipe diameter of low pressure pipe delivery system of irrigated area by wells, increasing the efficiency of motor - pumped wells

    針對目前井灌工程效率低下的問題，通過抽水試驗，經過理論分析，推導出了井灌低壓管道輸水灌溉系統的最優出水量、最佳揚程和經濟管徑計算方法，從而可提高機井灌溉效率。
  12. Through developing a 2 - dimensions heat transfer model of buried pipe - in - pipe heat exchanger and simulating the process by computer, the author figures out inter - relations of factors which influence characteristics of buried pipe - in - pipe heat exchanger, such as pipe diameter, pipe length, ratio of pipe diameters, flow rate, inlet water temperature, patterns of water inlet and outlet, and material features made of pipe, and proposes some optimizing indexes of buried pipe - in - pipe heat exchanger. the author studies the " heat - - short circuit " phenomenon as well and gives < wp = 5 > some important results

    本文通過建立地下套管式埋管換熱器傳熱過程的二維傳熱模型，並藉助計算機對分析結果進行解析，弄清了影響埋管換熱器性能的管徑、管長、管徑比、通過流量、進水溫度、進出水方式以及管材等參數的作用，並提出了相應的優化指標，對研究界懸而未決的「熱短路」問題也進行了細致分析，得出了有關結論。
  13. Water supply temperature, indoor design temperature, distance of embedded pipe, diameter of embedded pipe and material of ground floor are important factors influencing cooling and heating radiation floor system

    摘要影響冷暖輻射地板系統的幾個重要因素有供水溫度、室內設計溫度、埋管管距、埋管管徑和地面層材料。
  14. Based on the mass conservation law and momentum equations of incompressible fluid in manifolds, the three examples of style manifolds with different pipe diameter show the difference between the marching solution method and the standard solution method

    摘要在並聯管組水動力學基本方程的基礎上，分別採用水動力推進演算法和水動力標準演算法，對3種不同的分支管面積的型集箱進行計算，比較兩種演算法的計算結果差異。
  15. 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。
  16. Aimed at the current problem of pipeline layout optimization technique, the research of irrigation pipeline layout and pipe diameter optimization has been done, the gis ( geography information system ) and graph theory were first put forwarded to applyed to the design of low pressure pipeline irrigation project in the paper. with the support of gis, the minimal spanning tree theory of graph theory and 120 project theory can be applied to irrigation pipeline ' s layout optimization. at the aspect of pipe diameter optimization, simplicial method and interior - point method are been used in solve liner optimization model of pipe diameter to reach minimum project cost or a nnual working cost of low pressure pipeline irrigation

    本文主要針對當前南方地區低壓管道輸水灌溉規劃設計中存在的技術難點，開發研究先進實用的樹狀低壓輸水灌溉管網計算機輔助設計系統。首次提出了將gis （地理信息系統）和圖論技術應用於低壓管道輸水灌溉規劃設計及灌溉管網優化中，在gis支持環境下，應用圖論中的最小生成樹法和120規劃進行管道的最優化布置。建立以管道輸水灌溉系統的年折算費用最小為目標函數的管徑優化線性規劃模型，並將內點法應用於線性優化模型的求解。
  17. Copper and aluminum unified core or all copper core : header pipe diameter up to 22mm or 25mm, few welding line, high intension, and strong pressure resistance

    板芯以銅鋁復合為主或全銅，集熱管直徑達22mm或25mm ，無焊接線，高效能，強承壓。
  18. Aluminum pipe diameter keeping rate when bended

    鋁管彎曲直徑保持率
  19. The function of the software is useful, it has provided many functions such as the calculate of crop water requirement, pipeline layout ( automatic layout and manual operation ) and its optimization, pipe diameter optimization. investment budgetary estimate and economic beneficial result can be result. and can rapid create plan and do plan comparison, the software provides many kinds of result output such as graph. text, table and so on

    該系統可以實行作物需水量計算，系統設計流量推算、管道水力計算、工程投資概算，經濟效益分析等功能，建立了常用的數據庫（管材、管件、水泵和電機等）並對其進行管理和維護，可以實現包括管道布置、管徑優化、管材選擇等多種參數選擇在內的多種方案比較、優選。系統能提供圖形、文本、表格等多種形式的成果輸出，人機交互界面友好，操作方便。
  20. The operating temperature limit of teflon - coated probes is 200 c, regardless of pipe diameter

    無論探頭的直徑是多少，應用特氟綸保護的測溫探頭最高只能耐溫200 c
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