矩形管道 的英文怎麼說

中文拼音 [jǔxíngguǎndào]
矩形管道 英文
box （rectangular） conduit
  • 矩 : 名詞1. （畫直角或正方形、矩形用的曲尺） carpenter's square; square2. （法度; 規則） rules; regulations 3. [物理學] moment
  • 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） ...
  • 管道 : [工業] pipeline; channel; tunnel; piping; canalis; pipe run; duct; conduit; conduit pipe; ducting...
  1. The difference between the results, using the fud and copmd schemes respectively for the two - dimensional case, are given

    比較了二維矩形突擴管道流動分別用fud 、 copmd格式計算結果的差異。
  2. Measurement precision contribute to improving the security class and economic of boiler running and automatic level of whole plant. the smart measurement instrument of the boiler ’ s air flow designed in the thesis and the instrument can make the degree of accuracy get to. firstly, the thesis build the “ velocity - area ” method which is on basis of “ log - tchebycheff ” on the analyzing of basic measure method of boiler ’ s air flow. secondly, model86 averaging pitot tube was selected the right model of flow transducer which can pickoff the differential pressure and static pressure. modelc264 which made in setra system corp. u. s. a was selected as ultra low differential pressure transmitter. a good flow of boiler ’ s air was calculated by offsetting pressure and temperature. finally, numeroscope was designed with z80cpu and other chips

    精確的監測有助於提高鍋爐燃燒的安全型、經濟性，也有助於提高電廠的整體自動化水平。本文設計的智能化鍋爐風量測量裝置能夠實現對鍋爐送風的精確測量，精度可達。本文首先研究鍋爐送風矩形大管道測量理論，提出在流來流量測量測點布置基於「對數-切比雪夫」法的速度-面積法。
  3. Tong uses the model to analyse the effect of a rectangular obstruction in a channel.

    董使用「混合」模型研究了管道中有矩形障礙物時所產生的影響。
  4. This paper described a cold gas simulation of solid rocket motor with submerged nozzle. a two - dimension model with rectangular channel was designed, which can simulate different flow conditions at three periods after ignition

    本文從冷流模擬的角度出發，設計了通道為矩形的含潛入噴管發動機冷流模型，可以模擬發動機工作過程中三個不同時刻的流動狀態。
  5. Fem simulation of roll extrusion forming process of square section tube

    矩形管雙道次輥擠成型過程擠壓力公式的建立
  6. When the dimensionless governing parameters exceed some critical value, the bifurcation phenomena in the rotation pipe with rectangular and elliptical will appear and the flow structure becomes more complicated

    對于矩形截面和橢圓截面管道，當控制參數較大時，流動會出現分叉現象。
  7. Employing perturbation method and numerical simulation, we study the flow in rotating helical pipes including different rotations, different cross sections ( circular, elliptical, annular and square cross section ), and different geometrical structures

    採用攝動方法和數值計算方法，研究了處于多種旋轉狀態下、多種截面形狀（圓截面、橢圓截面、環形截面、矩形截面） 、不同幾何結構旋轉螺旋管道流動。
  8. 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。
  9. All kinds of resisting moment effects upon pump start - up process are fully considered and the different operational results of outlet gate with little flap valve are also reviewed

    在計算過程中，比較完整地考慮了各種阻力矩對起動過程的影響，同時重點考察了平直管出水流道，具有快速閘門帶小拍門斷流裝置形式的起動效果。
  10. 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。
  11. " no norms, no difference between cycle and square ". based on the needs of city guidance, by formulating laws, polices, and regulations and rules, and actively guiding the formation of norms, ethics, customs and every kinds of invisible restrictions, the city norm is a fundamental management function to restrict and predict the activities and behaviors of city government, social communities, city residents and entrepreneurs

    「無以規矩，不成方圓」 ，城市規范就是根據城市導引的需要，通過制定法規、政策、行政條例和規章制度等成文法的有形文案，以及主動引導民間自發形成的風俗、道德、習慣等無形約束，對城市政府、社會團體、企事業單位和城市居民的社會活動及行為進行邊界約定與預警的一項基礎性管理職能。
  12. On another side, this paper analysises the effect of the municipal pipeline on sector tunnel construction, and gives a proposal for soluation

    研究了3種不同形式的區間隧道（雙圓隧道、單圓隧道、矩形隧道）內鋪設管線的方式，並分析了外來管線對隧道的影響，提出了解決方案。
  13. Ventilation and air conditioning - folded and welded rectangular sheet metal ducts

    通風和空調設備.折疊的和焊接的矩形金屬薄板管道
  14. Specification for structural design of buried rectangular pipeline of water supply and sewerage engineering

    給水排水工程埋地矩形管管道結構設計規程
  15. In the numerical solution algorithm, the method of characteristics, analytic method and galerkin finite element method ( galerkin - fem ) can be chosen to solve the advective equation, diffusion equations, reaction ( source / sink ) equations, propagation equations and pressure poisson equation, respectively. the developed new algorithm has been verified using analytical solution of circular conduit flow in a reynolds number range of 100 < re < 1 000 and experimental data of the laminar flow over a backward - step facing step. the flow properties are well characterized by this three - dimensional numerical model

    本論文在評述三維粘性流動數學模型已有研究成果的基礎上，著重在數值計算方法的選擇和定解條件的給定對數學模型計算結果的影響進行了研究，並首次提出了求解三維純對流方程的高精度的擬協調單元法，建立了三維低雷諾數re流動的數學模型，並在圓管流動、臺階突擴矩形管道流動中得到驗證和應用。
  16. The second is that the upper computer receives the data sending by the communication software to realize the intelligent detection of net structure. the functions include the displaying of the channels of the data acquisition, the displaying of the curve of the acquiring data, the online and offline data analysis, the saving of acquiring data file, the data file management of hard disk and the configuration file ; the third is that it realizes the time analysis, fft and hilbert by intermixing visual c + + 6. 0 with matlab, which has the strong ability with data analysis, signal processing and graphic displaying, data processing and plenty of tools boxes. it implements these functions including fft and hilbert w ithout using matlab again in the environment of visual c + + 6. 0

    上位機監測軟體功能包括通道數據實時顯示、數據實時曲線生成並顯示、實時數據分析、離線數據分析、數據文件保存、磁盤數據文件管理及配置文件管理； （ 3 ）使用visualc + + 6 . 0語言作監測系統的實時數據分析的軟體設計，並結合matlab的強大的數值分析、矩陣運算、信號處理和圖形顯示功能及其強大的數據處理能力和豐富的工具箱使數據分析工具，脫離matlab環境，實現visualc + + 6 . 0和matlab混和編程，實現採集的數據實時以及離線時域分析、傅立葉分析和小波分析。
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