流動截面 的英文怎麼說

中文拼音 [liúdòngjiémiàn]
流動截面 英文
flow section
  • 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...
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 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. Fluid noise mainly comes from out put pulsation of rate of flow, the main reason of out put pulsation of rate of flow is the instant high pressure return flow that obturation cubage produced when the big round curve pressure transition. the v trough on the port plate can reduce the fluid noise. in this paper, the author based on the acting of dam a river and condensability of liquid and used matlab language as tool to calculate the v trough on the original port plate and drew out the p - t diagrammatic curve and analyzed its shortcoming and improved the design of original v trough and got that the best size of its angle was 12. 3 and its length was 5mm and the cross section was an equilateral triangle

    流體噪聲主要來源於輸出流量脈動，造成輸出流量脈動的主要原因是閉死容積在大圓弧段壓力切換時產生的瞬時高壓迴流，在配流盤上開設v型尖槽可降低因高壓迴流而引起的流體噪聲，本文以截流作用和液體的可壓縮性為理論依據，以matlab語言為工具，對原配流盤上的v型尖槽進行了理論計算，繪制出p - t圖線，分析了它的不足，並對原有v型尖槽進行了優化設計，得出了v型尖槽的最佳幾何尺寸：配流盤平面上的v型尖槽的兩邊的夾角為12 . 3 ，槽長5mm ，槽的橫截面為等邊三角形。
  2. Second, the imaging model built here has taken into account the tilt modulation, the hydrodynamic modulation, and current modulations of radar cross section. consequently, it has realized the imaging simulation of four kinds of wakes with the same imaging model. third, the orbital velocity of ocean wave was considered as the basic dynamic factor, and the imaging model calculates the influence on raw data by the wave m ovement according to the orbital velocity

    該模型的主要特點是： （ 1 ）它採用了三尺度復合表面模型的思想來計算海面的電磁散射，考慮了中等尺度波對紋波的進一步調製作用，彌補了傳統雙尺度模型的不足； （ 1 ）它考慮了海浪的傾斜調製作用、流體動力調製作用和流場對雷達截面的調製作用，實現了用統一的模擬模型對四種艦船尾跡特徵進行成像模擬； （ 3 ）它把海面長波的軌道速度作為基本的動態成分，並依此來考慮海面運動對sar回波信號的影響。
  3. Complete air piston pump contains pneumatic motor and piston pump, the ratio of piston area of pneumatic motor and plunger ' s sectional area of piston pump is transforming times of pump pressure ; the higher times, the more pressure can deliver higher viscosity fluid, and achieve the delivery aim

    完整的氣動柱塞泵包含有氣動馬達與柱塞泵兩部分，氣動馬達中的活塞面積與柱塞泵活塞的截面積比值，就是泵壓力轉換的倍數；愈高的倍數就能以愈大的壓力輸送愈高黏度的流體，達到輸送的目標。
  4. It is concluded that the combustion chamber passage area, passage direction, passage shape and passage position have a strong effect on in - cylinder current motion and flow speed

    計算結果表明，燃燒室通道截面積、通道傾角、通道形狀、通道布置對氣流運動的形式及氣流速度均有較大的影響。
  5. The following results are obtained : ( 1 ) the flow in rotating helical pipes are affected by dean number, curvature, torsion ( or germano number ), the ratio of the coriolis force to the centrifugal force f number ( or rossby number ) and the geometry of the cross section

    研究結果表明： （ 1 ）旋轉螺旋管道流動特性受dean數、曲率、撓率（或germano數） 、科氏力與離心力之比f數（或rossby數）以及截面的形狀五種因素的影響。
  6. In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data

    為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律，並耦合進氣畸變的影響，同時與壓氣機氣動性能和氣動穩定性相關聯，作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機（ lsc ）試驗器，採取在靜子葉片表面埋入動態壓力傳感器的實驗方法，對葉尖、葉中和葉根三個截面的動態壓力進行了測量，獲得了大量的可靠的實驗數據。
  7. 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。
  8. 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。
  9. 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。
  10. With the different tripping annulus at the inlet, a new method of the distance definition from the wall was used to measure 35 mean velocity profiles on seven sections in the pipe length x / d = 125. 2

    採用新的離壁距離標定方法，在入口處設有改變擾動強度擋環的條件下，利用熱線儀在管長x d約為125的范圍內完成了七個不同管流截面上的35個軸線方向速度分佈的測量工作。
  11. This paper describes and analyses the basic features and the orientation of population flow from the countryside in china. based on the comparable analysis of the conditions and features, yanbian should make good use of the chance of the western exploitation, install the human resource reasonably and promote the reflux effect of the human resource so that yanbian can make the positive effect that human resource flow. it holds that " the migration of large number of human resource " is inevitable in the course of industrialization, urbanization and modernization in china. it reflects social civilization and social development, and is a good solution to the problem related to chinese agriculture and chinese peasants, a social phenomenon can only be coped with by persuasion instead of repression, the strategy to develop yanbian provides a good historical opportunity to consider how to solve the problems related to " science and education prosper a country, science and education prosper a state "

    本文描述和分析了中國人力資源流動的基本特點及其走向的基礎上，對我州人力資源流動的現狀及特點進行了比較分析，從而提出了延邊州應充分利用西部大開發契機，合理配置人力資源，促進人力資源的迴流效應，實現人力資源流動的正面效應，人力資源流動現象是中國工業化、城市化、現代化過程的必然現象，是社會文明與進步的表現，是解決中國農業和農民問題的契機，只能疏導，不能壓抑和堵截，我州要抓住西部大開發戰略大思路和歷史性的機遇，積累我州人力資本，將「科教興國、科教興州」做到實處。
  12. ( 8 ) six branches of the flow in a rotating square duct are obtained. the limited points of every branch are different for different dean number. an eight - vortex phenomenon is also found

    （ 8 ）對于正方形截面的分叉問題，本文得到六種無條件穩定和對稱穩定的流動分支， dean數不同，流動分支的極限點不同，發現正方形截面最多可以存在八個渦。
  13. At the end, the study comes to the conclusion that the physical fundamentals of electromagnetic wave imaging logging are strong, and it is necessary to select the wave working mode and frequency carefully for measuring and displaying the multiphase flowing section in oil wells

    研究結果不僅論證了電磁波成像測井具有堅實的物理基礎，而且明確了正確測量和顯示井內流體流動截面必須合理選擇電磁波的工作模式和頻率。
  14. Using digital image processing technique to process the solid - gas - water three - phase flow image and separate dispersed phase from the three - phase flow image, author calculated the bubble number, particle number in instantaneous image, area of bubble image and other parameters, and analyzed the effect of image enhancement, image segmentation, image analysis and other problems existed in bubble image processing

    應用數字圖像處理方法對水氣固三相流圖像進行處理，將其中的分散相分別提取出來，計算得出瞬時圖像范圍內的氣泡個數、粒子個數，氣相所佔流動截面比等參數；分析了圖像增強、圖像分割、圖像分析等方法在多相流圖像測量上的作用以及氣泡圖像處理中存在的問題。
  15. Stability of the crossflow pattern around a slender and influence of disturbance

    細長體截面繞流的穩定性及擾動的影響
  16. The exhaust system and muffler are simplified as a set of 1 - d pipes with non - isentropic flow and with variable sections. the partial differential equations of non - stationary flow are transferred into the stationary differential equations by means of the characteristic lines. these equations are solved by finite difference method

    在排氣管系的計算中將排氣管簡化為一組一維非等熵變截面管，並通過「特徵線法」將描述其運動的非定常流的偏微分方程轉化為常微分方程，再用差分數值方法依靠計算機求解。
  17. In this thesis, by changing the position of laser, increasing the operation velocity and adding the experimental materiel, the images data under the different operational condition are gotten. visual analysis of the different area of flow field is done, using a serial of images about the typical sate of flow field

    試驗過程中，通過改變激光器照射截面，提高操作風速，變化物料高度，獲得不同工況下的圖像數據，並針對不同的流動區域，將獲得的典型流動狀態的連續圖像進行了可視化分析。
  18. In the theoretical aspect, performance analytical model of was proposed, in which allowances were made to allow for variable cross - sectional area, include the heat release of chemical reaction, and allow for mass addition. software was generated, and performance of rocket ejector was analyzed accounting for heat release location, flow parameters and structural configuration

    在理論方面，建立了引射火箭模態的性能分析模型，該模型考慮了化學反應放熱、加質和變幾何截面的影響；編寫了相應的軟體，並結合放熱位置、流動參數和發動機結構進行了引射火箭的概念設計。
  19. On the other hand, this flow is a typical non - linear model and there exists complicated secondary flow on the cross - section, also, a bifurcation will appear on some conditions. this study is signality in theory and has a broad application future

    另一方面，旋轉曲線管道系統是流體力學非線性的典型模型，在截面上存在形態復雜的二次流動，在某些條件下出現分叉解，深入研究旋轉管道流動，具有重要的理論意義。
  20. The experimental model is a rectangular section of 15. 2 187mm ~ 2, which is composed of two aluminum plates. the angles between the internal netted rib turbulators and the flow direction are 45 ? for the one plate and 60 ? for the other, or both 45 ? for two plates. in the experiment, the re numbers changes from 0. 4 10 ~ 4 1. 5 10 ~ 5, rib width - to - pitch are 0. 25, 0. 3 and 0. 5, rib width - to - height are 0. 25, 0. 3 and 0. 5, the rib height - to - hydraulic diameter ratio is 0. 246

    主要研究了在通道進口截面積（即無肋處的截面積） a為15 . 2 187mm ~ 2 、肋高與通道當量直徑之比e / de等於0 . 246 ，實驗雷諾數范圍在0 . 4 10 ~ 4 1 . 5 10 ~ 5之間的情況下，雷諾數re 、肋向角a 、肋寬與肋高之比t / e和肋寬與肋間距之比t / p等參數對通道強化傳熱與流動阻力特性的影響。
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