風洞技術 的英文怎麼說

中文拼音 [fēngdòngshù]
風洞技術 英文
wind-tunnel technique
  • : Ⅰ名詞1 (空氣流動) wind 2 (風氣; 風俗) practice; atmosphere; custom 3 (景象) scene; view 4 ...
  • : 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
  • : 名詞(技能; 本領) skill; ability; trick; technique
  • : 術名詞1. (技藝; 技術; 學術) art; skill; technique 2. (方法; 策略) method; tactics 3. (姓氏) a surname
  • 風洞 : [航空] wind tunnel; air tunnel; whirl tube; wind tunnel plant; flume
  1. 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的高超聲速低密度中,利用紅外熱圖獲得了半球圓柱、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。
  2. According to the requirements of propeller aerocraft model test in wind tunnel, specifications of the driven motor is presented by aerodynamic analysis, and a short - term operated high power density three - phase induction motor is developed with reasonably designing the motor, such as electromagnetism load, heat checkout and high - efficiency heat exchanger

    摘要針對螺旋槳飛機模型帶動力實驗要求,通過氣動性能分析提出驅動電機的指標,在滿足結構約束的條件下,通過合理設計電機的電磁負荷、校核發熱、採用高效冷卻裝置等,研製出短時工作制高功率密度三相異步電機。
  3. Our designs blend a sharp sense of the classic with contemporary insight and technique to ensure our creations, modern or traditional, are always timeless in style

    我們的設計是把對于古典藝的深刻理解和對于現代生活和的敏銳察力有機結合在一起,以確保我們的設計格-不管是古典的或現代的,都能跟上時代的步伐。
  4. 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流場調節系統的需求和實現途徑;闡述了變頻原理, dtc控制的交流變頻調速器作為流場調節系統的先進性和高可靠性及關鍵;提出了速控制的方法和策略。
  5. 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模擬的大氣邊界層環境中,運用建築表面動態測壓獲得金奧大廈表面的時均壓系數和均方根壓系數,繪制時均壓系數和均方根等值雲圖並分析其分佈的規律和特點。
  6. Abstract : in this paper, a principle and method of the speed pulse waveform sampling are introduced. its object is to study an effect of the turning factor on torbulence. test is done in the aerofoil fengwen. on design of the user interface, application of the timer and displaying way of a pape and continuity are specifically discussed. expermental results and analysis is showed at the last

    文摘:以翼型為對象,著重介紹了變湍流度對翼型轉捩因子影響的速度脈動波形採集的原理和方法,重點對波形採集系統用戶界面的設計、定時器的應用、分頁顯示和連續顯示等進行了具體介紹,並給出了實驗結果及分析。
  7. With the development of global economy and intensifying competition in aviation industry, which have caused transform in wind tunnel experiment field. new tide of wind tunnel experiment comes out. to be on top in this area, the occident has invested a mint of capital to update and rebuild their facility of wind tunnel, to adjust working pattern, to improve efficiency and to develop new experimental technology

    隨著經濟全球化的發展,世界航空工業的競爭加劇,導致了試驗領域的變革,試驗業也呈現出新的發展趨勢,為了贏得在新世紀航空領域的領先地位,歐、美都投入巨資對設備更新改造,調整運行模式,提高效率,發展新的試驗
  8. 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,並確定了詳細的指標。
  9. The demonstration of heat - transfer measuring techniques and prospect of infrared thermal mapping techniques, main parts and performance indexes of a infrared camera, functional blocks and implementation of infrared processing software, experimental facility and measuring system of the wind tunnel has been made. the model emittance was experimentally determined and the three methods correcting directional emittance were compared. those problems of the infinite - slab model thickness and constant wall heat rates hypothesis, the determination of adiabatic wall temperature were discussed in a 1 - d heat conduction analysis

    本文對紅外熱圖測熱與應用前景、紅外熱像儀主要部件與性能指標、紅外測熱數據處理軟體功能模塊與實現、試驗設備與測量系統等進行了論述,測量了模型表面發射率並對發射率隨極角變化的三種修正方法進行了對比,對一維熱傳導分析中模型壁厚半無限假設、壁面熱流定常假設、絕熱壁溫選取等進行了探討。
  10. It preliminarily establishes a set of test theory and technical approach to wind tunnel test. specifically speaking, it includes following work : ( 1 ) theoretical analyses on key parameters of ao effect were made. from maxwell equation, the computation formula for focusing intensity of ordered disturbance and the computation formula for pulse peak intensity were derived

    初步建立起了一套氣動光學測試試驗的理論和,完成的主要研究工作有: ( 1 )從理論上進行了氣動光學主要參數的分析,從麥克斯韋方程出發,推導了有序擾動的聚焦強度的計算公式及脈沖峰值強度計算公式。
  11. The latter, which had such these virtues as non - contact measurements, small flow field disturbances and larger measured areas, was widely applied in wind tunnel tests

    紅外熱圖是一種非接觸測量,具有對流場無干擾、大面積測量等優點,在試驗中獲得了廣泛的應用。
  12. New technique of mitigating wind - rain - induced vibration on stay cable of dongting lake bridge

    庭湖大橋拉索雨振控制新
  13. Changing old wind tunnel, rebuilding new, and improve technology

    改造舊,建造新,發展試驗
  14. In order to research the wind loads and dynamic responses of tall buildings, the numerical analysis technique, experiment of aeroelastic model in boundary layer wind tunnel, and high - frequecy force balance technique have been reported in this paper

    為了研究高層建築物的荷載及其動態響應,本文分別應用了數值分析方法、中的氣動彈性和高頻動天平實驗,同時也探討了行人高度環境。
  15. The technique method we used is the environment wind tunnel technique which is common tool with advantage of independent on nature condition, shorten period of study and save large quantity time, manpower and material resources

    人們試圖通過環境模擬對沙漠進行多方面的研究。應用實驗研究沙地貌,不受自然條件的限制,能夠大大縮短研究周期,大量節省時間,人力和物力。
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