跨超音速的 的英文怎麼說
中文拼音 [kuàchāoyīnsùde]
跨超音速的
英文
transonic supersonic- 跨 : 動詞1 (抬起一隻腳向前或向左右邁) step; stride 2 (兩腿分在物體的兩邊坐著或立著) bestride; stra...
- 超 : Ⅰ動詞1 (越過; 高出) exceed; surpass; overtake 2 (在某個范圍以外; 不受限制) transcend; go beyo...
- 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...
- 的 : 4次方是 The fourth power of 2 is direction
- 超音速 : [航空] supersonic speed
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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。Finally, the 2d unsteady navier - stokes flow solver is coupled with two - degree - of - freedom flutter motion equation in time domain to investigate the flutter characteristics of several supercritical airfoils
最後,本文將二維非定常nayier - stokes方程解算器與顫振運動方程耦合,研究了超臨界翼型的跨音速顫振特性。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。The cell - centred finite volume algorithm, nnd finite volume algorithm and ausm + finite volume algorithm are studied for solving the euler equations, their abilities for hypersonic problem are studied especially
本文分別對格心有限體積格式、 nnd有限體積格式和ausm +有限體積格式進行了研究,在求解euler方程的基礎上,研究了它們對跨音速以及高超聲速流場計算問題的解決能力。The investigation in this dissertation shows the capabilities of ausm + scheme, such as the exact resolution of shock, low numerical dissipation, simple and requiring less computational effort. the successful applications on supercritical airfoils and wings show that the present flow solvers based on ausm + scheme are of valuable and promising in practical application
通過本文的研究工作,展示了ausm +格式的激波高解析度、數值耗散小、編程簡潔、計算量較小等特性,同時,將其成功地應用於跨音速超臨界翼型、機翼的定常或非定常氣動特性的數值模擬和顫振研究中,具有一定的工程應用價值和良好的發展前景。Numerical results are in good agreement with some data and the method and procedure presented in this paper are verified. and then the wing ? flutter characters of a missile wing are numerical simulated with the examples of a missile wing
以某導彈翼面為算例,對彈翼的亞、跨、超音速的顫振臨界速度進行了數值計算,部分計算結果與風洞計算結果相比較,一致性很好。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。Extensive numerical studies have been performed in order to access the accuracy of the present approach, for example, the supersonic flow over the shuttle, and so on. all of results demonstrate the capability of simulating complex flow fields efficiently and robustly
應用上述方法進行大量的數值實驗,如計算航天飛機的超音速繞流、 m6機翼的跨音速繞流等,數值結果顯示,上述方法是行之有效的。Through the paper " s study, the cell - centred finite volume algorithm and the 2 - order ausm + finite volume algorithm can solve the subsonic flow problem well ; the nnd finite volume algorithm and 2 - order ausm + finite volume algorithm can solve the hypersonic flow problem well
研究表明,對于跨音速問題,格心以及二階ausm +格式解決的很好;對于高超聲速問題, nnd和ausm +格式解決的很好。The moving grid of type c - h for wing are generated by an algebraic procedure. the steady and unsteady transonic ( and subsonic ) viscous flows around wing are numerically simulated. the 3 - dimensional time - averaged compressible navier - stokes equations with b - l or j - k turbulent models are solved by the implicit lu - n7nd algorithm
用代數方法生成機翼的c - h型運動網格,從三維非定常n - s方程組出發,利用lu - nnd有限差分格式和b - l或j - k湍流模型建立了一種數值模擬三維機翼的亞、跨、超音速定常及非定常粘性繞流的方法和程序。分享友人