風洞實驗 的英文怎麼說

中文拼音 [fēngdòngshíyàn]
風洞實驗 英文
tu el test
  • : 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
  • : Ⅰ形容詞1 (內部完全填滿 沒有空隙) solid 2 (真實; 實在) true; real; honest Ⅱ名詞1 (實際; 事實...
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 風洞 : [航空] wind tunnel; air tunnel; whirl tube; wind tunnel plant; flume
  1. 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、速強度等因素的影響下對公路形成的沙埋和蝕危害,結合公路沙埋、沙流風洞實驗、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。
  2. The dynamic characteristics of evaporation process for naphtha and crude oil were researched in three aspects of different wind speed, evaporation area and relative location of evaporation surface to ground in wind tunnel

    摘要從環境速、蒸發面積和蒸發液池與地面相對位置3方面分別對石腦油和原油的蒸發動力學特性進行了風洞實驗研究。
  3. How to choose proper modes is an boring issue. two kinds of large span roofs, one is rectangle plane - roof, another is dome - like roof, were investigated with wind tunnel

    本論文分別以矩形平頂屋蓋和圓拱形屋蓋這兩種常見的屋蓋結構形式為研究對象,進行了比較細致的風洞實驗研究。
  4. 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風洞實驗要求,通過氣動性能分析提出驅動電機的技術指標,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。
  5. The optimized heat exchangers module was verified to be good based on wind tunnel test and road test

    改進方案的風洞實驗車路試結果表明,各散熱器的散熱量達到設計指標,各系統工作正常。
  6. The wind - tunnel investigation of the characteristics and mechanism of twin - vertical tail buffet of leading - edge extension configuration

    邊條翼布局雙垂尾抖振特性與機理風洞實驗研究
  7. Using emended gauss diffusion mode, taking wind erosion modulus as the ground oil pollutant sources, dust and oil pollutant quantity in air and polluting load in water were calculated, a relative model was founded

    本文以土壤侵蝕的風洞實驗求得污染源源強,採用高斯模式對地表蝕作用的傳輸量進行估算,進而對石油開發區落油通過大氣傳輸途徑對區域水環境(博斯騰湖)的影響進行了預測,建立了相應的模型。
  8. 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結果和本課題組側壓式進氣道炮風洞實驗獲得的數據對本文的計算方法進行了校,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。
  9. Flutter stability of long span self - anchored suspension bridges and wind - tunnel tests

    大跨度自錨式懸索橋的顫振穩定性研究及風洞實驗
  10. 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段的速有嚴格的控制,要求速調節范圍寬,精度指標高,調節速度快。
  11. Wind tunnel experiment on the model of the chinese national grand theatre

    中國國家大劇院模型荷載風洞實驗
  12. It is obvious that the results calculated using the method presented in this paper are compared better with the wind tunnel test data than those from the other existing engineering methods

    通過與風洞實驗數據的比較,可以看出本文方法的計算結果比其他現有滑流影響工程估算方法與結果吻合得更好。
  13. The result that the experimental sector has stable wind flow and the characteristic of wind speed which makes the wind speed more consistent with real condition of the surface of land has the rule of logarithm, which is matched with the requirement of wind erosion experiment

    通過試證,風洞實驗段具有穩定的氣流場,且速廓形滿足對數規律,符合自然大氣近地面層的速特徵,說明滿足蝕試要求。
  14. Abstract : wind tunnel experiments were carried out to investigate the influence of wind direction on the wind pressure of proximite buildings. mean and fluctuating pressure coefficients on a high building, at sixteen different wind incidences and with one and two interfering buildings, were measured in the tests. this paper presents the characteristics of wind pressure on the building, which varies with the incident wind angle and with the numbers of adjacent buildins. due to the variation of wind angle and the interference effects, the complex feature of pressure distributions can be found on the downstream building surfaces for building group arrangement at certain angle of wind attack. some area of the interfered building for such configuration, in comparison with one single building ' s, may undergo very strong positive or negative pressures

    文摘:通過風洞實驗研究了向對兩個和三個鄰近建築壓分佈的影響特性.結果給出了在不同向角下,作用於受擾建築上的平均和脈動壓系數.當受擾建築處于下游位置時,建築之間的干擾效應主要表現為遮擋影響,建築物上的總體壓系數不是很大,但在建築物表面上有時會產生局部較大的負壓系數.另外,在某些向角下由於受到上游分離氣流的影響,在下游建築的局部表面又會出現較大正壓.這些結果可供建築布置和結構設計時參考
  15. 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,設計了模型和裝置並在馬赫3 . 85的中進行了移動唇口板減小內收縮比現側壓式進氣道自起動的風洞實驗證了數值模擬的結果。
  16. 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。
  17. The dissertation presents the combined theoretical, numerical and experimental studies on the experimental modeling of the actuator, the design of test rig and control system, the modeling of two - dimensional airfoil aeroelastic system, the control design of active flutter suppression, and the effect of group delay in the digital filter on the stability of aeroelastic closed - loop system

    本文通過理論分析、數值模擬與風洞實驗相結合的方法,研究了超聲電機作動器建模、翼段顫振裝置和控制系統設計、二維翼段氣動彈性系統建模、顫振抑制控制律設計以及數字濾波器群時延對顫振抑制閉環系統穩定性影響等問題。
  18. The relationship between the load measured by strain method and the load calculated according to flight parameters and the wind tunnel test data has been investigated in this thesis. the result showed that the calculation load based on the flight parameters and wind tunnel test data is acceptable in subsonic speed and gets good agreement, with the load measured by strain method

    本文研究了採用應變法測載荷和根據飛行測參數和風洞實驗數據計算載荷之間的關系,研究表明採用飛行測參數和風洞實驗的數據計算載荷在亞音速范圍內是可行的,與採用應變法測載荷是吻合的。
  19. 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,研究了擋板形式及設置位置對靜葉出口流場的影響。
  20. In order to research the aerodynamic characteristics of grid fins effected by width to length ratio, the grid fins of three hight to width ratios were adapted in wind tunnel experiments at subsonic, transonic and supersonic speeds

    為研究它對柵格翼氣動特性的影響規律,本研究採用風洞實驗的方法對3種不同格寬翼弦比的柵格翼在亞、跨、超聲速3個馬赫數下進行了氣動特性的研究。
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