管道中流動 的英文怎麼說

中文拼音 [guǎndàozhōngliúdòng]
管道中流動 英文
flow of pipe
  • 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） ...
  • 流 : 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...
  • 管道 : [工業] pipeline; channel; tunnel; piping; canalis; pipe run; duct; conduit; conduit pipe; ducting...
  • 流動 : 1. （液體或氣體移動） flow; run; circulate 2. （經常變換位置） going from place to place; on the move; mobile
  1. Study on calculating frictional resistance of fluid flowing in industrial pipe - line

    流體在工業管道中流動沿程阻力計算的研究
  2. Measurement of fluid flow in closed conduits - velocity area methods - methods of flow measurement in swirling or asymmetric flow conditions in circular ducts by means of current - meters or pitot static tubes

    封閉管道內液體流量測量.第2部分:速度范圍法.第3節:用流量計或皮托靜壓管在圓形管道中渦流或不平衡流動條件下測量流量
  3. 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流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流傳熱為物理模型，通過攝動方法和有限體積法，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流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流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、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。
  4. In the measurement, the sample flows slowly in the pipeline, and the pressure in the pipeline will change with the time, the sample ’ s apparent viscosities with different shear rates can be acquired

    使血樣在密閉管道中緩慢流動，通過對管道中壓力（即流速）隨時間變化的測量以求得不同切變率下血樣的表觀粘度。
  5. It has a long history using a throttle device to measure the flow volume of fluid in pipe the method has formed normalization at home and abroad the principle is to make the flow bunch form the particial shrink at the place where the throttle part is located so as to produce a static pressure difference then measure and calculate the flow volume at the moment when the fluid is flowing through the throttle device by the static pressure measured this method is based on the law of conservation of energy and the equation of flow continuity

    用節流裝置測量管道中流體流量已歷史悠久，在國內、國際上都已標準化，其原理是使流束在節流件處形成局部收縮，產生靜壓力差，通過測量靜壓力差來衡量流體流過節流裝置時的流量大小，這種測量方法是以能量守恆定律和流動連續性方程為基礎的。
  6. This research is to eject some compressed air into the dredging pipe to get tri - phase flow in the pipeline, and research the change about the pipe resistance, at the same time, obtain the more effect adding gas method and realize reduction friction and prolong the dredging distance

    本文研究的目的是在一定的漿體流速和漿體濃度下向輸送管道中加入一定量的氣體，在管道中形成三相流，進而探討加氣后管道流動的變化規律，同時確定出比較有效的加氣方案，從而實現減少阻力延長排距的目的。
  7. The wet natural gas in transmission pipeline assumes two phase of gas and liquid, so its flowing always assumes a slow transient flow state

    在實際運行中，濕天然氣在輸送管道中存在氣液兩相，因此管道中的流動總是處于慢瞬變流動狀態。
  8. Based on prandtl ' s momentum transportation, this paper calculates in detail the physical quantities such as eddy viscosities, and ratio of eddy viscosity to motion viscosity, total stresses with respect to relative position in three regions of viscous sub - layer, buffer layer, and main turbulent stream for non - newtonian fluid flowing turbulently in ducts, which according to karman ' s three layer models and measurement of fluid parameters in evaluation apparatus, discusses the influence of polymer drag reduction on flowing properties of non - newton fluid, analyzes quantitatively principle of turbulent reduction phenomenon and condition of increasing reduction rate

    摘要以普蘭德動量傳遞理論為基礎，按照卡門的三層模型，通過室內模擬環道用0號柴油及加入減阻劑在圓管內的流動參數的測定，計算了非牛頓型流體管內湍流邊界層的層流內層、過渡層、湍流中心的渦流粘度，渦流粘度與運動粘度比、總應力隨相對位置的變化等定量參數，探討了高分子減阻劑對非牛頓流體流動特性的影響，對湍流減阻現象的機理與增大減阻率的條件進行了定量分析。
  9. Use the similitude theory the author calculated uncompress fluid flowing in the stationary diameter pipeline, carrying on dimensional analysis and similitude theory counts, designed long - huge highway tunnel ventilationg model, constructing build the highway tunnel ventilation simulated test terrace

    利用相似理論對不可壓縮流體在水平等直徑管道中的定常流動進行量綱分析和相似理論計算，設計長大公路隧道通風模型，構建了長大公路隧道通風模擬試驗平臺。
  10. The behavior of a fluid flowing through a pipe is affected by a number of factors

    在管道中流動的液體，其性能受到多種因素的影響。
  11. The system sample data by ccd camera, process the data by dsp and harmonize the peripheral equipments by pc for sorting the impurity and displaying the cotton in the pipeline. the main algorithms of the system are sorting and coaching

    該系統通過ccd攝像頭采樣，用dsp進行高速數據處理，通過工控機總體協調控制相應外圍設備剔除不符合標準的雜質並實時顯示管道中流動的棉花。
  12. Firstly, working theory and structure of concrete pump are lucubrated. and the flowing state of the concrete in duct is analyzed by virtue of the rheology theory. secondly, the flowing model of concrete in duct is established, with that, the pressure loss of concrete flowing in duct is analyzed, too

    論文首先對混凝土泵的工作原理和結構進行了綜合分析；基於流變學原理，深入分析了泵送混凝土在輸送管中的流動狀態，建立了混凝土在管道中的流動模型，分析了混凝土在管道中流動的壓力損失；基於運動學和動力學基本原理，對混凝土s管閥的運動學和動力學進行了分析。
  13. Better agreements between computation results and experimental data were found using the models. ( 4 ) two phenomena in straight - convergent - divergent - straight microchannels were identified, which are different from the macroflow through experimental studies. one is that the first appearing sonic point position in microchannels is not near throat cross - section

    （ 4 ）對等直收縮擴張等直微管道中氣體流動的實驗研究發現兩個特異現象：其一為微管道內最早出現聲速點的位置不一定在喉部附近，其二為微管道中的臨界壓比與常規值有很大差別。
  14. Firstly, when the pipe flow was laminar, the movement of fibers was computed in the 2 - d force formulae that were deduced from the slender body theory and in 3 - d integral method. results revealed that angles between fibers " axis and the orientation of flow would concentrate gradually on a low number as the re numbers increased. that is, the axis of fibers would rotate toward the orientation of flow

    首先，當管道內流動為層流時，分別利用從細長體理論出發得出的纖維二維受力公式和三維分段積分計算方法模擬了大量纖維在流場中的運動，然後在最終時刻統計了纖維的偏角分佈，並得出相同的結果：隨著re數的增加，纖維粒子的偏角逐漸集中於小角度，即纖維軸線方向越來越集中於流向，此結果與實驗吻合較好。
  15. Measurement of fluid flow in closed conduits - guidelines on the effects of flow pulsations on flow - measurement instruments

    密封管道中液體流量的測量.脈動流動對流量測量儀器影響的指南
  16. A kind of new - type project on the robot measuring the internal diameter of the long distance pipeline online is put forward on the basis of summarizing the traditional robot measuring the pipeline online. the robot is driven by the power generated by the medium flowing in the pipeline, thus simplify the design and reduce the cost by cutting the dynamical equipment

    基於對長距離管道在線檢測的目的，在總結傳統的管道在線檢測機器人的基礎上，利用管道中介質流動產生的驅動力，確定了一種新型管道內徑在線檢測機器人的設計方案，減少了機器人的動力源裝置，使在線檢測機器人設計簡單化，降低了經濟成本。
  17. The results obtained are analysised and compared to experimental results referred to. according to the partial linearization theory of oscillating fluid mechanics and theory of fourier transform, the flow - induced vibration of pipe on offshore platform is studied

    應用振動流體力學中的局部線性化理論及傅立葉變換理論（傅立葉級數及離散傅立葉反變換） ，對海洋平臺輸液管道內流流體激振進行研究。
  18. Stationary source emissions - determination of the volume flowrate of gas streams in ducts - automated method

    穩定源排放.管道中氣流容積流量比率的測定.自動配置方法
  19. It was found be compared the two - phase flow of power law fluid - solid with that of liquid - solid that the fluid velocity of power law fluid - solid was bigger than that of liquid - solid and the particle velocity distribution of power law fluid - solid was flatter than that of liquid - solid

    對帶顆粒的冪律流體的兩相流流動與液固兩相流流動做了比較，冪律流體兩相流的流體速度在管道中心附近的大部分區域比液固兩相流的流體速度流動的速度大，而顆粒相的速度分佈比較平坦。
  20. To the object of two - flow, we trace its dynamic character and measure its correlated parameters by eight - electrode capacitance sensors. then turning the dispersed information to the integral information by sufficiently using information of object. the simulation experiment proved that this information fusion arithmetic can recognize the flow type precisely and timely

    針對管道中的兩相流被測對象，利用8極板電容傳感器對其在管道中的動態特性進行追蹤，並測取相關參量，利用信息融合演算法處理所獲得的信息，充分利用傳感器信息資源，將分散的傳感器信息融合成所測流型的整體信息。
分享友人
分享到 Line

分享到臉書