straight pipe 中文意思是什麼

straight pipe 解釋
直管
  • straight : adj 1 直，一直線的 （opp crooked bent curved ）。2 直挺的，向（目標）直進的。3 直接的，連續的。4 ...
  • 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...
  1. On the base of resemble model, the figure of contracting pipe was changed, the generatrix became arc for once it was straight line, named resemble model

    在相似模型的基礎上，收縮管的直線圓錐改造成母線為圓弧形的圓錐，稱相似模型。
  2. Suction piping for all pumps shall have at least five ( 5 ) times the nominal pump suction flange diameter of straight pipe upstream of the suction nozzle

    所有水泵的吸水管道直徑至少應有5倍于吸入口的上升直水管段的額定邊緣直徑。
  3. In order to remedy the faults of the traditional pipe - leak detector based on the straight - correlation analysis method which has high demand for hardware and high price, the pipe - leak detector based on the polarity correlation algorithm with the cross - zero method is presented, the hardware design and the test is finished, the result only with the error from 1 % to 3 % is gained, and its feasibility is testifies

    針對採用直接相關法的傳統相關測漏儀對硬體要求高、價格較貴的缺點，將極性相關的過零演算法應用於相關測漏，並設計了硬體結構，進行了實驗模擬，在實驗室條件下，測量誤差約為1 % ~ 3 % ，驗證了其可行性。
  4. The analysis shows that : ( 1 ) straight pe pipe ' s current ability is 15 % - 21 % higher than steel pipe on same inner pathway basis. but it ' s another story based on same outer diameter. we must displace the steel pipe with pe pipe with careful calculation

    聚乙烯燃氣管道工程技術特點的分析表明： （ 1 ）同等內徑下直管段聚乙烯管比鋼管流通能力大15至21左右，但同等外徑下聚乙烯管的流通能力不一定比鋼管大，需要計算確定，不能盲目以相同外徑的聚乙烯管匹配鋼管。
  5. From the feature of the force and deformation of the tpih, 5 different elements are used to mesh the different zones of the tube, which are structural beam 3d elastic 4, structural pipe plastic straight 20, structural pipe elastic elbow 18, structural shell elastic 4 node 63 and contact 3d pt - to - surf 49 ; the contact problem is assumed to be flexible - to - flexible ; the temperature field is assumed to be body load. a mechanical model corresponding to reality has been established for numerical simulation. based on the above, the 3 - d fem numerical simulation of tpih has been carried out by using the ansys program

    針對加熱彎管過程的受力和變形特點，採用三維梁單元、三維塑性直管單元、三維彈性曲管單元、三維殼單元與三維點對面接觸單元等5種不同的單元分別對管毛坯不同區域進行劃分，並對接觸單元採用柔體-柔體的處理方法，將溫度場作為體載荷處理，建立了符合實際的加熱彎管問題數值模擬力學模型：在此基礎上，應用商用軟體ansys對加熱彎管過程進行三維有限元模擬與研究，獲得了成形時推力、彎矩、支撐力大小及其變化趨勢。
  6. Cone - shaped bayonet ring couplings for rolling stock part 21 : meter - pipe intubatton straight couplings

    機車車輛用錐面卡套式管接頭.第21部分:表管插管直通管接頭
  7. Railway applications - straight and angled end cocks for brake pipe and main reservoir pipe

    鐵路設施.制動系統管路和總儲氣管用直旋塞和轉角管塞
  8. Our factory will design and manufacture various non - straight pipe type condensers such as plate - pipe condenser, snake - pipe condenser, etc. at the customers reguest

    並可根據用戶需求，定製各類盤管式、蛇管式、排管式換熱設備及其它非標碳鋼、不銹鋼設備。
  9. Full - bore : full - bore straight - through type with connection between valve and pipeline or straight pipe, equal sectional area and " 0 " loss of flow

    全通徑：全通徑直通式，閥門與管道或直管連接相通，截面積相等，流量損失為「 0 」 。
  10. A simulation is carried on three swirling flow with different nonaxisymmetric tangential injection in a horizontal straight pipe to find if neglect their deflations whether they equate to axisymmetric module. a conclusion can be found that when nonaxiwymmetric conditions are occurred, there will be deflections near entrance that are different from axisymmetric condition, and these deflections will be erased on area far from entrance

    另外對水平圓管中三種非軸對稱切向入流按軸對稱近似計算時進行數值比較分析，發現三種非軸西安理工大學碩士學位論文對稱切向入流條件下在近入口處出現很大的偏差，這種偏差不能忽視;而經過充分的發展之後，這種差別將被抹平，即在離入口較遠的區域各種情況的計算結果與軸對稱條件比較差別不大。
  11. Relaxation factors are adopted. a program is produced to simulate swirling air flow in a horizontal straight pipe and compare with experiment data. the simulation prove that the modified k - model can predict the core, annular and wall regions near entrance and axial velocity far from entrance, but it ca n ' t predict tangential velocity well in weak swirling area far from entrance

    編程計算水平圓管內螺旋氣流的流動參數並與實驗數據對比，結果表明修正-湍流模型在近入口處基本上能預測出中心區、環形區和近壁區的流動特性，在遠離入口弱旋流區域對軸向速度的預測符合實際情況，但是出現對周向速度修正過大的現象。
  12. A new experiment device and method are used to measure local and straight pipe resistance, date collection and processing method are introduced, reasons for local resistance are analyzed, measuring and calculation methods are discussed

    摘要採用1種新的局部與直管阻力測定的實驗裝置和方法，介紹了數據的採集和處理方法，分析了局部阻力產生的原因，討論了測量計算方法。
  13. Abstract : this paper analyses axial effort between bend and adjacent straight pipe by integral calculation. in this paper it deduces the computing formula of axial effort ， which lays a foundation of stress analysis on bend

    文摘:從彎管的受力分析入手，通過積分計算，分析了彎管與相鄰直管段的軸向作用力，並推出了該軸向作用力的計算公式，為彎管的應力分析打下了基礎。
  14. In general a minimum of 10 pipe diameters of straight pipe should be provided upstream of a swing check valve to minimize adverse conditions

    通常，旋啟式止回閥與上游部件的距離至少要有管道直徑的10倍，這樣才能夠將反作用降到最小程度。
  15. When the rotation has the same direction with the axial velocity, the effect of rotation enforces the intensity of secondary flow and the heat convection, the friction factor and the nusselt number increases as f increase ; when the rotation has the opposite direction with the axial velocity, the flow structure becomes more complicated, for f = 1. 2, the complicated structure of secondary flow generates, the friction facior and nusselt number almost has the same value of stationary straight pipe

    當旋轉方向和主流方向相同時，旋轉的作用加強了二次流的強度，使得管道摩擦系數變大，管道換熱效果增強；當旋轉方向和主流方向相反時，管道內流動結構變化十分明顯， f - 1 . 2時，流動結構最為復雜，摩擦系數降至最低，換熱效果最弱。
  16. Three diameters of straight pipe are required on the valve outlet

    閥門出口處需要配置三倍直徑長度的直線管路。
  17. Comparing with the stationary straight pipe, the entry length becomes larger

    由於旋轉和曲率的影響，旋轉曲線管道的開口端長度相比較直管而言大大增大。
  18. In a big, straight pipe like that, the force of being measured by one ' s performance will propagate back through the whole system

    如果有一根又大又直的管子，那麼就很容易評估一個人的表現，這種力量將會反饋影響到整個系統。
  19. This valve is a combined regulating and flow measurement device and must be installed with five diameters of straight pipe of the same nominal diameter as the valve and without intrusions upstream of the valve

    這種閥門是一種調節和流量測量的組合裝置，必須安裝在與閥門公稱通徑一致的直線管路，長度為五倍直徑的位置，使得閥門上游不會受到侵擾。
  20. A program is produced to simulate the particle ' s tracks in swirling air flow in a horizontal straight pipe and find that the tendency of particle migration towards pipe center is not affected by initial position of a particle and all particles are sent into pipe by the axial motion of the swirling flow

    編程計算顆粒在管中螺旋氣流的運動軌跡，數值結果表明，無論顆粒初始位置如何，所有顆粒都被推向軸心位置，並被螺旋流的軸向運動推入管中。
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