音速流動 的英文怎麼說

中文拼音 [yīnsùliúdòng]
音速流動 英文
flow of sonic stream
  • 音 : 名詞1. （聲音） sound 2. （消息） news; tidings 3. [物理學] （音質） tone 4. （姓氏） a surname
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 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...
  • 音速 : [物理學] velocity of sound; speed of sound; sound velocity
  • 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. The software system has such characteristics as follow : all the information including streaming media are transported in transport - layer. its speed is much higher than in application - layer because it cuts down the time in data processing between two layers and can transport more pure data in equal time

    本系統具有以下特點：所有信息數據的傳送都在傳輸層實現，與在應用層實現相比，不僅減少了協議層之間流動的時間開銷，而且提高了有效數據的傳輸速率，有利於實時播放多媒體影音文件。
  2. The holes themselves have a restricting or stabilizing effect because flow may become sonic.

    因為這時流動可成為音速流動，所以這些小孔本身有一種節製作用或穩定化作用。
  3. In conclusion we note the following general items concerning flow in supersonic nozzles.

    最後，我們歸納幾個關于超音速噴管流動的一般原則。
  4. Since supersonic phenomena seldom occur naturally, the first studies of supersonic flow and flight were related to artifacts, from shells to turbines, rockets, and aircraft.

    由於自然界難得產生超音速現象，所以超音速流動和飛機的早期研究同炮彈，汽輪機，火箭和飛機等人工產品有關。
  5. It can be used to transmit text, digitized voice, video, and multimedia at data rates up to 2mbps in a fixed or stationary wireless environment and 384kbps in a mobile environment

    3g是以寬頻及分包形式傳送信息的系統，可用以傳送文字聲音影像以及其他多媒體音像。在固定或穩定的環境里，傳送速度可達2mbps ，而在流動環境中亦可達384kbps 。
  6. The numerical algorithm of solving the adjoint equations for different design cases have been developed by using finite volume methodology which is usually used to solve the flow governed equation. it includes the some important aspects, such as flux formulation, wall and far - field boundary treatment methodology, dissipative term formulation, etc. after the solution of the adjoint equations is obtained, the derivatives of the cost function with respect to all the design variables can be evaluated with the same operation. this can yields a significant saving over the other gradient - based techniques when there are many design variables

    （ 3 ）進行了應用控制理論和三維歐拉方程的機翼氣動反設計研究，以及有升力約束情形下機翼跨音速減阻問題研究，分別推導了相應的共軛方程及邊界條件數學表達形式，研究與發展了三維共軛方程的有限體積數值求解方法，及相應梯度公式的數值求解方法，通過對計算網格生成、流場計算、共軛方程數值求解、梯度求解和優化演算法等多方面的有效結合，成功發展了三維機翼的氣動反設計和跨音速減阻優化設計程序，成功地進行了多個設計算例研究。
  7. The research of this dissertation is focused on how to solve the 3 - dimensional compressible navier - stokes equations by the implicit finite difference algorithm and to simulate numerically the unsteady subsonic and transonic viscous flows around rigid and elastic wings. on the base of them the aeroelastic characterictics of an elastic wing have been studied

    本文的主要工作是用隱式有限差分法求解三維非定常紊流n - s方程組，數值模擬剛性機翼及彈性機翼的亞、跨、超音速定常及非定常粘性繞流，並在此基礎上研究了彈性機翼的氣動彈性問題。
  8. Employing euler based steady solution and piston theory, a new method ( we call it local piston theory in this paper ) to solve supersonic or hypersonic unsteady loads has been developed

    發展了一種運用定常cfd方法和活塞理論求解超音速、高超音速非定常氣動力的新方法?當地流活塞理論。
  9. Rock for china was started in 2004 for the purpose of creating chinas first major international pop rock music festival. it has since become a leader in covering live events, booking foreign artists, and managing top local talent

    搖滾中國於2004年創立，旨在為中國帶來最頂級的國際流行搖滾音樂節，並迅速成為國內首屈一指的現場音樂活動策劃者，海外藝人引進者以及國內頂級藝人的經紀公司。
  10. Then the steady and unsteady subsonic, transonic and supersonic viscous flows around airfoil and some aircraft are numerically simulated. the 3 - dimensional unsteady navier - stokes equations are solved using the implicit lu - nnd algorithm, with baldwin - lomax turbulent model. on the basis of simulating unsteady viscous flow, coupling the structure dynamics equations, the problems of static aeroelasticity and flutter are investigated for wings and elevator

    在模擬非定常粘性繞流的基礎上，與顫振運動方程相耦合，分別對機翼和全機流固耦合現象中顫振問題進行了研究，準確求解跨音速顫振臨界速度，分析機翼和全機的從亞音速到超音速范圍的顫振規律，並研究分析了機翼飛行迎角變化對顫振速度的影響。
  11. High speed water jet special machining utilizes the beam of water with very high dynamic energy to cut materials, therefore it actually belongs to the machining tool of high energy beam

    摘要高速水射流特種加工是利用具有很高動能的高速（超音速）水射流束來沖蝕材料，從而實現材料切削，屬于高能束加工范疇，是一種可與激光、等離子體、電子束加工方法媲美的新型切割加工工具。
  12. In recent years, the most of new fighters and strategic missiles require fly with supersonic or hypersonic speed, and this make a lot of researchers think much of this kinds of phenomena

    近年來，新一代的戰斗機及新型的戰略導彈對超音速、高超音速飛行的要求，引起了國內外許多研究人員對這一類流動的重視。
  13. To analysis combustor structure ’ s contribution to fluxion and combustion explicitly, it is necessary to study the impaction of wave system and fire temperature on chemical reaction and heat release ’ s procedure

    為了細致分析燃燒室結構和流動進口參數對超燃的作用關系，必須細化研究超音速流場的波系結構和燃氣溫度對化學反應放熱過程的影響。
  14. To prove the accuracy of the mach number, and the parameter homogeneity of the design nozzle " s exit, cfd calculate has carried on the design results. under the condition of supersonic and hypersonic flow, and a certain range of temperature, and mach number, the conclusion of the influence of specific heat to nozzle design is drawn

    為了驗證所設計的噴管出口馬赫數的大小和噴管出口流場的均勻性，採用nnd格式和b l湍流模型求解雷諾平均n - s方程，對設計結果進行了cfd驗算，得出了在一定溫度范圍內，超音速、高超聲速流動的條件下，不同馬赫數范圍內變比熱容對噴管型面和噴管出口馬赫數的影響。
  15. The sounds he heard were just those of the river running swiftly under the bridge.

    他聽得到的只是河水橋下急速流動的聲音。
  16. Based on the plat this paper calculates the forces flew over a 3d wing and get satisfactory results. this paper generates the meshes by such approaches

    在此基礎上，開展了繞三維機翼跨音速流場與氣動力的計算，取得了良好的計算結果。
  17. The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen

    對一實驗電弧加熱式發動機二維軸對稱亞跨超音速流動進行了數值模擬，所採用的方法是矢通量分裂演算法.通過計算可以得出密度、速度、溫度、壓力和馬赫數的分佈.給出了計算所使用的網格和一些計算結果.簡要介紹了實驗所使用的設備，如電源系統、點火系統、推進劑供給系統、電弧加熱式發動機、推力測量裝置和真空系統.對所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所測量的一些重要參數，通過實驗發現氬比氮工作更穩定
  18. The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method

    摘要對一實驗電弧加熱式發動機二維軸對稱亞跨超音速流動進行了數值模擬，所採用的方法是矢通量分裂演算法。
  19. Using the engineering methods of supersonic and hypersonic flow or local piston theory developed in this paper to compute unsteady aerodynamic loads, and coupling structural equations, the supersonic or hypersonic aeroelasticity with a typical servo system under thermal environment is simulated in time - domain

    運用超音速、高超音速氣動力工程計算方法和本文發展的當地流活塞理論計算非定常氣動力，耦合結構運動方程，實現了熱環境中帶有伺服機構的氣動彈性的時域模擬。
  20. Combustion with releasing heat effectively in supersonic flow is one of the most important, as well as the most difficult, technologies in researching and developing supersonic combustion ramjet

    超音速流動狀態下的高效燃燒過程是研製超燃沖壓發動機最重要也是難度最大的關鍵技術之一。
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