number of tubes 中文意思是什麼

number of tubes 解釋
管數
  • number : n 1 數；數字；〈pl 〉算術。2 （汽車等的）號碼；第…，第…卷，第…期〈通常略作 No （復數 Nos ），用於...
  • of : OF ＝Old French 古法語。
  • tubes : 管子尿道收集器
  1. The destroyer ' s armament consists of several small cannon, two torpedo tubes and a number of anti - craft guns

    驅逐艦上的武器裝備包括幾門小口徑大炮，兩個魚雷發射管與數門高射炮。
  2. It is suggested that in the regions of aqueous soil with faster seepage velocity, either the tube - wells can be spaced adequately closer or for the same spacing the number of tube - wells and length of tubes can be reduced under the condition of assuring regular heat transfer effect

    在滲流速度較大的富水地區，在保證常規換熱效果的情況下，管井間距可適當減小，或在同樣管井間距下，可減少管井數量或減小理管長度。
  3. Floating head heat exchanger with welded floating head ; number of passes : 2, tubes 25, square tube pitch 32 ; number and pattern of tubes, tie rods and slide rails

    帶焊接浮動頭的熱交換器.通路數2 ，管25 ，方形管心
  4. Floating head heat exchanger with flanged floating head ; number of passes : 2, 4 and 8, tubes 25, square tube pitch 32 ; number and pattern of tubes, tie rods and slide rails

    帶法蘭盤浮動頭的熱交換器.通路數2 4和8 ，管25 ，方
  5. Automatic computation and modification of the dimension, the number of total heat tubes and rows, the body line of layout areas and other results involved. 4. the programming of various functional models and their communication, coded with visual lisp and vba and based on the opening structure of autocad and its entity database

    標示最大布管邊界，自動標注尺寸，自動修改並輸出布管參數及結果，包括：自動計算並輸出每一管程的管根數、起始排數、終止排數，自動計算並輸出每排熱管根數與拉桿根數。
  6. For the optimization function of hrsg, the cool costs is considered as the objective function and the variables are the number of row, the number of tube per row, the horizontal distance and vertical distance between tubes of the evaporator and the economizer

    建立了以bchp系統的冷量成本為目標函數，以余熱鍋爐排煙溫度、蒸發器和省煤器中螺旋翅片管管排數、每排管數、管束橫向節距和管束縱向節距為決策變量的余熱鍋爐優化模型。
  7. And eight different flow orders, in accordance to two different design conditions : the total number of heat tubes or the inner diameter of the shell ; 2

    系統具備兩種自動布管功能：已知殼體內徑布管和已知換熱管根數布管。 2
  8. Fixed head heat exchangers with type 25 tubes and square 32 tube pitch ; number and pattern of tubes

    端頭固定的內管直徑25三角形管心距32的管式熱交換
  9. Fixed head heat exchangers with type 20 tubes and triangular 25 tube pitch ; number and pattern of tubes

    端頭固定的內管直徑20三角形管心距25的管式熱交換
  10. Fixed head tubular heat exchangers with type 25 tubes and triangular 32 tube pitch ; number and pattern of tubes

    端頭固定的內管直徑25三角形管心距32的管式熱交換
  11. A novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

    介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構，該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道，利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ，同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景
  12. Abstract : a novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

    文摘:介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構，該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道，利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ，同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景
  13. Number of tubes : 2 tubes

    管筒數目
  14. In the past, there were a large number of research studies on the behaviour of concrete - filled steel tubes ( cfst ) subjected to compression, bending or combined compression and bending, and there were a few research studies on the behaviour of cfst subjected to pure torsion, compression - torsion, bending - torsion, compression - bending - torsion and compression - bending - shearing. however, the behaviour of cfst members under complicated loading conditions still needs to be studied deeply

    以往，研究者對鋼管混凝土構件在軸壓、純彎和壓彎荷載作用下的性能進行了大量研究，對純扭、壓扭、彎扭、壓彎扭及壓彎剪受力狀態下的工作性能也有一些研究報道，但研究工作，尤其對壓彎扭剪構件的工作機理的研究仍有必要深入進行。
  15. Exerting the model of two mechanism heat transfer, the formulation for heat transfer coefficient of liquid film which in smooth tube and equipped with spring inserts is given in this paper. heat transfer coefficient is presented which not only has relation to reynolds number, temperature difference, liquid characteristic, but also is greatly influenced by structure parameter of the spring inserts. experiments indicate the heat transfer coefficient of tubes equipped with spring inserts is 25 % higher than smooth tube

    實驗表明，傳熱系數和液膜雷諾數、傳熱溫差、料液物性參數利彈簧插入物的結構參數有關，實驗條件下，安裝有彈簧插入物的豎管降膜蒸發液膜側的傳熱系數比光管的傳熱系數可高達25左右，但某些結構參數的彈簧插入物會造成傳熱的惡化。
  16. Discusses the influence of structural parameters on the heat exchanger performance in order to get more rational setting of the number of columns, diameter and length of tubes, and designs the three stage spray heat exchanger in detail

    分析了結構參數變化對換熱器性能的影響，從而合理地設定了管列數、管徑和管長，詳細設計出三級淋激式換熱器的結構。
  17. This paper carry out experimental study of the heat transfer and flow resistance characteristics of high prandtl number fluid in 3 - d internally crossing - finned tubes with cross - experiment design method. use oil as work media

    本文以未使用過的潤滑油為工質，用正交試驗設計方法，對高pr數流體在肋叉排列三維內肋管中的傳熱和流阻特性進行了實驗研究。
  18. The transport of macromolecules in curved tubes with permeable arterial wall was simulated numerically. the fields of axial velocity, the fields of secondary flow function and the distribution of wall shear stress along the transverse section of arterial wall were obtained under different dean number, 10

    10800 ，計算了彎曲血管內的二次流軸向速度場和剪應力沿管壁分佈的情況。計算求得了在不同dean數和peclet數下，其中10
  19. Yellow tubes connect together a number of tanks and cisterns, around which coloured water can be pumped

    這種裝置是將黃色的管子與一些桶和水池相連，他們周圍都安置了水泵，能將彩色的水抽上來。
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