風洞中模擬 的英文怎麼說

中文拼音 [fēngdòngzhōngmónǐ]
風洞中模擬 英文
tunnel simulation
  • 風 : Ⅰ名詞1 （空氣流動） wind 2 （風氣; 風俗） practice; atmosphere; custom 3 （景象） scene; view 4 ...
  • 洞 : Ⅰ名詞（物體上穿通的或凹入較深的部分; 窟窿; 洞穴） hole; cavity Ⅱ形容詞（深遠; 透徹） profound; thorough; clear
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 擬 : 動詞1. （設計; 起草） draw up; draft 2. （打算; 想要） intend; plan 3. （模仿） imitate
  • 風洞 : [航空] wind tunnel; air tunnel; whirl tube; wind tunnel plant; flume
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  1. Chapter2 is aim at estabilishing a suit of effective methods for wind effect analysises, including the mechanical model, the analytical approach, the experimental technique and the application of experimental results to real tall buildings, which are not only applicable for all the types of high - rise buildings without the limitations in the previous theories, but also conductive to further investigation of the wind - resistant capabilities and dynamic behaviours

    在前人研究的基礎上本文進一步完善了高層建築的抗風理論。第三章系統地討論了大氣邊界層的風洞模擬問題。對大氣邊界層內風的一些特性以及大氣邊界層模擬中的相似準則進行了闡述，對模擬的設備和方法進行了說明。
  2. The main purpose of this study is to simulation a random fluctuation of wind velocity fitted to specified power spectrum in low frequency range in our wind tunnel

    本文研究的目的是在風洞中模擬風速隨機波動的陣風，這個基礎性工作對于開展風洞中的其它研究有著重要意義。
  3. An efficient wind field simulation technique for wind - induced vibration analysis of long - span bridges is first introduced in this paper ， and the statistic characteristics of the simulated wind field are then discussed on this basis ， the time - domain expressions for the buffeting and self - excited forces acting on long - span bridges are further given a simple and practical method is presented for the non - linear parameter identification involved in the calculation of self - excited forces by using the above theory ， the wind field and aerodynamic forces acting on the hong kong ting kau bridge are obtained the time - domain buffeting response analysis of the bridge shows that the analytic results agree quite well with the experimental ones this indicates that the theory presented in this paper has reached a practical level

    介紹了一種快速高效的用於大跨度橋梁風致振動分析的風場模擬方法，並對模擬風場的統計性質進行了討論和驗證在此基礎上進一步給出了大跨度橋梁抖振力和自激力的時域表達方式，其中針對自激力計算中涉及的參數識別問題，提出了一種簡單實用的非線性參數識別方法本文採用上述理論，獲得了作用於香港汀九大橋上的風場和氣動力，據此對大橋進行的抖振響應時域分析表明，計算結果與風洞試驗結果吻合良好，說明文中述及的這套理論已達到實用的階段
  4. This paper takes jin ’ ao mansion and adjacent buildings as the study object. first we put the stated reduced scale model in the atmospheric boundary layer which the tunnel simulates, applied the dynamic pressure measure technology on the building ’ s surface to get the mean and fluctuating wind pressure coefficient, drew out the contour of pressure coefficient and analyzed its distributing law and characteristic

    本文以金奧大廈及其鄰近建築作為研究對象，首先把一定縮尺比的模型置於風洞模擬的大氣邊界層環境中，運用建築表面動態測壓技術獲得金奧大廈表面的時均風壓系數和均方根風壓系數，繪制時均風壓系數和均方根等值雲圖並分析其分佈的規律和特點。
  5. Based on wind tunnel test and theoretical analysis, the vibration mechanism, vibration shape, dynamic response and equivalent wind load factor of the long - span grid roof of taizhou stadium subjected to wind excitation are analyzed systematically in this dissertation, and some valuable results are obtained. in the matter of wind tunnel tests, the distribution rules of roof under various wind directions are obtained through the data got from the wind tunnel tests for rigid model of long - span grid roof of taizhou stadium

    在風洞試驗方面，通過對臺州體育中心屋蓋剛性模型在模擬大氣邊界層風洞中進行的不同風向角下的風洞試驗所得數據的研究，獲得了結構在各種情況下的屋面風壓分佈規律，並且繪制了臺州體育中心屋蓋在各個風向角下的屋蓋平均風壓系數和脈動風壓系數分佈等值線圖。
  6. In this thesis, hypersonic sidewall compression inlet ' s self - starting characteristics are numerical simulated and tested. with increasing mach number of inflow gradually, the hypersonic sidewall compression inlets can self - start. compared with the hypersonic sidewall compression inlet starting directly, characteristics are different. moving cowl, decreasing interior contraction ratio also can realize the hypersonic sidewall compression inlet ' s self - starting because of separation bubble on sidewall spilling out

    其次，在數值模擬結果的基礎上，設計了實驗模型和裝置並在馬赫3 . 85的風洞中進行了移動唇口板減小內收縮比實現側壓式進氣道自起動的風洞實驗，驗證了數值模擬的結果。
  7. For simulating the radial static pressure gradient behind the true turbine guide cascade in low speed wind tunnel with annular cascade, the backboards were placed in the downstream field of the guide model cascade of the low - pressure stage of a turbine, and the effects of the types and positions of the backboards on the outlet flow field of the model cascade were experimentally researched

    為在環形葉柵低速風洞實驗中模擬實際渦輪級靜葉后徑向壓力梯度，在某型渦輪低壓級靜葉的下游流場設置了擋板，實驗研究了擋板形式及設置位置對靜葉出口流場的影響。
  8. Comparisons of experimental and computational shock mach number are made for four different condition. the results of numerical simulation agree with that of experiment, show good agreement between numerical simulation results and test results

    結合氣動中心進行的激波風洞試驗，對四組不同試驗情況進行了數值模擬，給出了測量困難的溫度值，數值模擬得到的結果與試驗值具有較好的一致性。
  9. In order to study the effect of the number of vehicle and inter - vehicle distance on the aerodynamic characteristics of vehicle platoon in intelligent transportation systems ( its ), a single vehicle is simulated first and its results are compared with that of wind tunnel test

    摘要為了研究車輛前後間距和車輛數目對智能交通系統中隊列行駛車輛氣動特性的影響，首先對單輛車進行數值模擬，並將模擬結果與風洞試驗結果進行對比，然後對兩輛車在5種不同間距下以及3 ~ 7輛車在固定間距下隊列行駛的情況分別進行了數值模擬及分析。
  10. In this paper we do the rigidity model wind tunnel test in the arch & sci academe in guangdong provience to get some datas to apply on the design of the space truss

    在廣東省建築科學研究院的風洞中使用大試驗段進行紊流流場模擬試驗，進行剛性模型的風洞試驗。
  11. Four white noises which have different cut off frequency were used as random control signal ( target signal ) in the simulation experiment. the results indicated that the correlation between the measured velocities and target signals decreased when the cut off frequency of the target signal increased. the correlation between the measured velocities and the target signals with cut off frequency of 0. 1 hz was 0. 85 ~ 0. 9

    在風洞中利用截斷頻率分別是0 . 1赫茲、 0 . 15赫茲、 0 . 2赫茲和0 . 4赫茲的水平譜原始信號進行模擬實驗，結果表明隨著原始信號的截斷頻率增大，實驗風速信號與原始信號的相關系數逐漸變小，當原始信號截斷頻率為0 . 1赫茲時，相關系數在0 . 85 0 . 9之間，而當截斷頻率為0 . 4赫茲時相關系數僅為0 . 3左右。
分享友人
分享到 Line

分享到臉書