風洞測試 的英文怎麼說

中文拼音 [fēngdòngshì]
風洞測試 英文
wind tunnel testing
  • : 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
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 名詞(古代占卜用的器具) astrolabe
  • 風洞 : [航空] wind tunnel; air tunnel; whirl tube; wind tunnel plant; flume
  • 測試 : test; testing; checkout; measurement
  1. This text studied the mutually interference influences to the aerodynamic force of irregular shape base on analysis using wind force and wind pressure data of super high buildings model obtained by wind tunnel tests, and provided reference to designer and expurgator on building code

    本文以超高層建築剛性模型的高頻天平驗數據和表面驗數據為依據,研究了復雜外形建築的力和高層建築相互干擾對力影響,供設計者及規范修訂時參考。
  2. A recommend value of appropriate roadbed height is put forward according to the sand dune type and the highway grade, make investigation to the sand harm and other problems of built highways in desert areas gathering the related materials of present day highways, and then make comprehensive and systematic statistics to related data and racious factors which affect the roadbed height ; analy the suitable roadbed height for the windblown sand drift passes through smoothly according to the open country windblown sand field test ; test and verify the outcome according to indoor wind tunnel test ; finally a appropriate recommend roadbed height value will be put forward for different grade highways in different areas, which is according to the analysis of roadbed stability the roadbed height economic analysis and different use requirement to different grade highways

    收集現有沙漠公路的有關資料,對全國已建沙漠公路進行沙害及其他病害調查,對相關數據和影響沙漠公路路基高度的各種因素進行綜合系統地統計分析;通過野外沙流場定,分析適宜沙流順利通過的路基高度;通過室內驗進行驗證;結合路基穩定性分析、路基高度的經濟性分析,考慮不同等級公路的使用要求,最終提出不同地區不同等級沙漠公路路基填土高度的合理高度建議值。
  3. The research test of this discussion as follows : making investigation and research to overseas related materials ; make investigation to built highways in desert areas, dozens of routes and nearly 100 road sections have been surveyed, among them two highways have been taken as the chief investigation objects, they are " 210 national highways - first grade highways from bao tou to dong sheng " and " the section of nei meng a la shan meng s307 from shang de to meng gen " ; the relationship between windblown sand drift and the roadred height wind tunnel test ; make investigation to the tested road sections and subengineerings then make statistics and study according to the test outcome ; the stability analysis of different roadbed height ; the analysis of roadbed economy

    本課題的研究工作包括:對國外相關資料的調研分析;對已建沙漠地區公路進行調查、觀了十余條線路,近百段路段,以『 210國道包頭至東勝一級公路』 、 『內蒙阿拉善盟s307尚德至孟根段』為主要調查對象;沙流路基高度的關系、驗;對調查路段及依託工程調查、觀結果統計研究;不同高度下路基穩定性分析;路基經濟性分析;按照沙丘類型及公路等級提出路基合理高度推薦值。
  4. As part of this effort, an integrated scramjet model is about to begin testing at up to mach 5. 6 in a new wind tunnel in beijing

    作為該項工作的一部分,一個可達5 . 6馬赫的綜合沖壓模型即將在北京的一個新的內開始
  5. Wind tunnel testing for stonecutters bridge tower

    昂船洲大橋橋塔的風洞測試
  6. The analysis of the repeated test data shows the maximum deviation of air drag coefficient is less than 0. 88 % and the deviation of the most surface pressure data is within 1 %, it illustrates the test data is reliable

    重復驗的數據分析表明,空氣阻力系數數據的最大偏差小於0 . 88 ,絕大部分驗數據的偏差均在1以內,這說明客車模型驗數據的精度較高。
  7. As to the current problems existing in the identification for these flutter derivatives, the dissertation tries to trace the development in the identification for the past unsteady aerodynamic forces of long - span bridges. it also investigates the method for flutter and buffeting analysis and the flutter derivatives. based on the present methods used in obtaining the unsteady aerodynamic forces and flutter derivatives, and co - funded by a natural scientific fund from the nation and a key project fund from the railway ministry, the current research has attempted to develop a device which can be employed in the wind tunnel to test flutter derivative through a forced vibration method

    鑒于目前橋梁斷面顫振導數識別的水平和存在的問題,本文通過對大跨度橋梁非定常氣動力、顫振分析方法及顫振導數識別方法的回顧和評述,基於現有的非定常氣動力和顫振導數的方法,在國家自然科學基金與鐵道部重點學科基金的聯合資助下,研究開發了一套在中採用強迫振動法顫振導數的裝置。
  8. Abstract : based on thestatic wind force factors of a tower and on the root - mean - square of the buffetingdisplacement responses of the tower top, which are measured by wind tunnel tests inlaminar and turbulent field respectively, the static and buffeting internal forces of thetower bottom control sections under its design wind speed are obtained by linearsuperposition method and fem

    文摘:基於均勻流和紊流場中的橋塔模型驗所得的橋塔空氣力靜力系數及塔頂抖振響應的位移均方根,採用線性疊加法及有限元法反演,給出設計速下塔底控制截面的順向靜及抖振內力。
  9. Designs and manufactures turbine engine test cells and wind tunnels

    設計生產渦輪發動機單元和
  10. An experimental investigation for the wind pressure distribution on a large span awning

    大跨雨棚驗研究
  11. 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

    應變天平是空氣動力學實驗中的專用裝置,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。
  12. Abstract : this paper introduces bridge section model tests in the wind tunnel. it presents static forces on bridge section models. the effects of bridge fences, isolation belts and different model lengths on static forces are studied. the static and dynamic stabilities of bridge are analyzed. the results show the effect of bridge fence, isolation belts and different model lengths on static forces should be considered in wind load design

    文摘:通過橋梁節段模型量了橋梁的力,研究了橋面護欄和隔離帶以及變模型長度對模型力的影響,並分析了橋的馳振穩定性和顫振穩定性.驗結果表明:設計驗方案以及應用驗結果時應考慮模型長度、橋面護欄及隔離帶的影響
  13. Based on the date of full - scale measurements, modeling wind tunnel tests and theoretical researches of the wind loads on low - rise buildings available, involved the date of the wind tunnel test and computational numerical simulation fulfilled in this paper, the effects of wind loads on low - rise buildings have been studied systematicaly and extensively. it reveled properly the principle of the changes of the surface mean pressures, local pressures, and fluctuating pressures with the building geometry, roof type and slope, wind direction, eave configuration, cladding system, and dominate openings

    本文根據國內外有關低層房屋荷載的全尺寸實、模型驗及其理論方面的研究,包括本文進行的低層房屋屋面壓分佈的模型驗和計算機數值模擬計算,對低層房屋的荷載特性進行了系統而深入的研究,較好地揭示了低層房屋表面的平均壓、局部壓和壓力的波動隨房屋的幾何尺寸、屋面形式、屋面坡度、向角、檐口構造、覆面材料和門窗開而變化的特點和規律。
  14. In respect of method to analyze wind load characteristics, focusing the complex factors that influence the wind load distributions of large span roof and with the wind tunnel test of the shenzhen convention and exhibition center. a new fuzzy neural network model ( fnnm ) is applied to forecast the wind load distribution of large span roof

    荷載分佈特性的分析方法方面,針對影響大跨屋蓋結構荷載分佈特徵的諸多復雜因素,並結合深圳會議展覽中心驗項目的研究,應用模糊神經網路方法,成功地預了大跨屋蓋結構的壓分佈特性。
  15. Experimental evaluation of an active vibration control system for wind tunnel aerodynamic models

    跨聲速力模型主動減振系統的驗研究
  16. Based on wind tunnel tests, wind pressure distributions on cylindrical shells with different aspect ratios were measured simultaneously in wind tunnel with rigid models under different terrain types and attack angles

    摘要基於剛性模型的驗,在不同攻角及場地條件下,對考慮不同長跨比的柱面殼體表面壓分佈進行了同步量。
  17. As the first successful experiment which has been conducted in china to test the unsteady aerodynamic forces in wind tunnel, the feasibility of the method is proved through numerous tests and abundant practice

    首次在國內成功實現了在橋梁節段模型顫振導數的強迫振動法,並通過大量的驗驗證了本裝置的可靠性。
  18. In this paper i was in virtue of the fluent software, set up the geometrical model of jin ’ ao mansion and adjacent buildings, used non - equilibrium wall functions to deal with the problem which come from the near wall, used realizable k - turbulent model to simulate the steady flow around 3d high - rise buildings, we can get the distribution of mean wind pressure coefficient of the surface of jin ’ ao mansion and five aerodynamics components. they were compared with the data from the wind tunnel test, we found out the distance between the result of the wind tunnel test and numerical simulation in the acceptable range

    本文以fluent軟體為平臺,建立金奧大廈及其周邊建築的計算幾何模型,近壁區採用非平衡壁面函數法處理,運用基於雷諾時均的realizablek -湍流模型進行高層建築三維定常場數值模擬,獲得金奧大廈表面時均壓系數分佈及基底五分量氣動力,並和驗的結果及壓系數積分計算的基底五分量氣動力相比較,發現兩者之間的差異在可接受的范圍之內。
  19. 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風洞測試驗的理論和技術,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。
  20. By acquiring the structure and environment parameters, the active control can greatly reduce the vibration on the model and the supporters caused by the unsteady aerodynamic force which badly influences the experienced data precision

    在進行驗時,受非定常氣動力的作用,模型會與天平、支桿和支架一起產生振動。模型劇烈的振動嚴重影響驗數據的精度。
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