高速風洞 的英文怎麼說
中文拼音 [gāosùfēngdòng]
高速風洞
英文
high eed wind tu el- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 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...
- 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
- 高速 : (高速度) high speed; high velocity (hv); high rate; swift; fast; express; high-speed
- 風洞 : [航空] wind tunnel; air tunnel; whirl tube; wind tunnel plant; flume
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Nf - 6 wind tunnel is a pressurizing, continuous, high - speed and return - flow aerofoil wind tunnel
Nf - 6風洞是一座由軸流式壓縮機驅動的增壓、連續、高速迴流式翼型風洞。Pressurizing, continuous and transonic wind tunnel is the first one in our country, and it is the world ' s first class tremendous high - speed aerofoil wind
增壓連續式跨音速風洞在我國尚屬首例,是具有國際先進水平的大型高速翼型風洞。Compressibility effects are investigated with highspeed models in high-speed tunnels.
壓縮性影響需用高速模型在高速風洞中試驗。The excess energy goes into creating and accelerating a high-speed solar wind that emanates primarily from the regions of the holes.
多餘的能量用來產生並加速高速的太陽風,而太陽風主要發端于日冕洞區域。The main purpose of this discussion is to det ermine the appropriate roadbed earthfill height according to the degree of sandburry, windblown sand drift test, wind tunnel test, windbed stability, road economy and traffic accident analysis. the appropriate roadbed earthfill height is one of vital factors in preventing highways from the harm of sand
本課題研究的主要目的是沙漠公路在地理地貌、植被地質、沙源、風速強度等因素的影響下對公路形成的沙埋和風蝕危害,結合公路沙埋、風沙流實驗、風洞實驗、路基穩定性、道路經濟性、交通事故分析,確定路基的合理填土高度。Hypersonic propulsion test facility is important for the scramjet ground tests
摘要高超聲速推進風洞是進行超燃沖壓發動機模型地面模擬的重要試驗設備。The tests were conducted in the hypersonic low density wind tunnel at nominal test conditions of mach 16, stagnation temperature 923k, stagnation pressure 1. 40mpa and 7. 30mpa. heat - transfer data were obtained on a hemisphere model, a sharp cone and a big blunt cone respectively by means of infrared thermal mapping techniques, that of a 0. 5mm thickness blunt cone by virtues of thermocouples. furth ermore, heat - transfer on all those models was calculated with the theoretical method
最後在名義m _ = 16 、 t _ 0 = 923k 、 p _ 0 = 1 . 40mpa及7 . 30mpa的高超聲速低密度風洞中,利用紅外熱圖技術獲得了半球圓柱、尖錐、大鈍頭三個模型表面熱流分佈,利用薄壁法技術得到了一壁厚為0 . 5mm的鈍錐模型表面的熱流分佈,並通過工程理論方法計算了模型表面的氣動熱,把理論計算結果與上述試驗結果比較,幾者符合得較好。The balance, which is widely applied in aviation, astronautics, architecture, high - speed engines and weapon ' s manufacture, is the professional testing equipment in aerodynamic experiment
應變天平是風洞空氣動力學實驗中的專用測試裝置,被廣泛應用於航空、航天、建築、高速機車以及武器研製等領域。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This text will analyze technology requirement and realization way of flow field adjusting system of fl - 8, and expatiate the theory of frequency conversion. ac variable frequency speed regulator controlled by dtc become the key technology of this facility and make it more advantage and credible. new method and tactic to control wind speed was given
本文分析了fl - 8風洞流場調節系統的技術需求和實現途徑;闡述了變頻原理, dtc控制的交流變頻調速器作為風洞流場調節系統的先進性和高可靠性及關鍵技術;提出了風洞風速控制的方法和策略。A hypersonic pulse tunnel is designed in this paper, which has multiple running modes based on gun tunnel and shock tube theory
本文設計了一座具有多種運行方式的高超聲速大型脈沖風洞,該風洞可以採用炮風洞和激波管兩種運行方式。The code calibration is completed by comparing the numerical results with data from two experiments, one of which is test of a 2 - d hypersonic inlet with internal compression and the other a sidewall compression inlet. good agreement of numerical and experimental results proves the possibility and credibility of the numerical method
利用國外文獻公布的二維進氣道實驗結果和本課題組側壓式進氣道炮風洞實驗獲得的實驗數據對本文的計算方法進行了校驗,證明了本文所採用的方法應用於高超聲速進氣道計算的可行性和可靠性。Low speed wind tunnel experiment requires strict of the wind speed, which requires a wild range of wind speed, high precision, and quick adjustment
低速風洞實驗要求對實驗段的風速有嚴格的控制,要求風速調節范圍寬,精度指標高,調節速度快。The design and computation of the hypersonic nozzle have scientific and practical value to solve these problems
而高超聲速風洞噴管的設計和計算則對解決這一類問題具有重要的科學意義和實用價值。This paper presents the development and preliminary application works of an automatic strain gauge balance static calibration system in ecs for 1m hypersonic wind tunnel of cardc
本文論述了cardc超高速空氣動力研究所1m高超聲速風洞配套的新型全自動六分量應變天平地軸系( ecs )校準系統的研製和初步應用研究工作。According to the study work of this paper, an automatic six - component strain gauge balance calibration system development scheme was put forwards : the system calibrates the balances in the ecs, and translates the loads to the bcs of the balances with measuring the balance ’ s position changes during the calibration
本文根據1m高超聲速風洞氣動力試驗的總體要求,提出了採用天平校準載荷地軸系全自動加載、並通過天平空間位移測量將校準載荷換算到天平體軸系( bcs )的六分量天平校準系統總體研製方案,並確定了詳細的技術指標。The main contents of the chapter 2 is the research work on the relationship between the coronal hole and the recurrent geomagnetic strom
在冕洞的成熟期,太陽風高速流的最大速度和對地磁活動的平均影響程度基本維持在穩定的水平上。In chapter 4, the aeroelastic model of the whole test rig is first established by using jones ’ s approximation of theodorsen ’ s unsteady aerodynamics load. then, the numerical simulations and wind tunnel experiments for the sub - optimal flutter suppression of the airfoil model are presented
數值模擬和風洞實驗研究表明,以超聲電機為控制面作動器可以有效地抑制翼段模型的顫振,顫振臨界速度提高了13 . 4 % ,數值模擬和風洞實驗結果基本吻合。Study on wind tunnel testing of aerodynamic properties of highspeed landslide flying
高速滑坡飛行氣動特性的風洞試驗研究So a generator of visible light steady - state surface targets and pulse point targets is developed, which offers targets for studying transient optical transmission effects of flow in high - speed wind tunnel
因此研製了可見光穩態面目標以及脈沖點目標發生器,該系統為在高速風洞中研究高速流場的瞬態光學傳輸效應提供目標。分享友人