空風洞 的英文怎麼說

中文拼音 [kōngfēngdòng]
空風洞 英文
empty tunnel
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 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
  • 風洞 : [航空] wind tunnel; air tunnel; whirl tube; wind tunnel plant; flume
  1. 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

    重復試驗的數據分析表明,氣阻力系數數據的最大偏差小於0 . 88 ,絕大部分測壓試驗數據的偏差均在1以內,這說明客車模型試驗數據的精度較高。
  2. They enable countries to develop wind - tunnel and jet - propulsion test facilities that are crucial to weapons development, including destroyers, other ships, and fighter aircraft

    因為它要求國家進行試驗,噴氣試驗,這些實驗對武器發展都是至關重要的,包括摧毀性武器,艦只和航器等等。
  3. Fluid experiment ; buff body aerodynamics ; wind engineering ; wind loading on buildings and structures ; modeling wind in an atmospheric boundary wind tunnel ; pedestrian - level wind environment ; wind effects on the efficiency of air - cooled condenser in a large power plant

    實驗流體力學,鈍體氣動力學,工程, 、建築物和結構物的荷載研究,大氣邊界層模擬,行人高度環境,大型電站冷系統效應模擬。
  4. 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試驗所測得的橋塔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。
  5. When it becomes necessary to examine the altitude performance of an aircraft engine, three types of facilities may be usedaltitude wind tunnels, altitude test beds and flying test beds.

    當需要考察一臺航發動機的高性能時,可以利用三種型式的設備,即高空風洞、高試驗臺和飛行試驗臺。
  6. 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

    應變天平是氣動力學實驗中的專用測試裝置,被廣泛應用於航、航天、建築、高速機車以及武器研製等領域。
  7. The air is also puffed out from the cave, thus creating the fantastic view of the strange wind cave

    伴著雷鳴般的排水聲,把氣排壓出外,奇的奇異景觀便產生了。
  8. If the tunnel draws its air directly from the atmosphere, entirely fresh air is used.

    如果直接從大氣中吸進氣,那麼使用的是完全新鮮的氣。
  9. In this paper, the wind loading time history of the truss structure is simulated according to the data of wind tunnel experiment and pulsating wind spectrum, and the transient dynamic analysis is used on the fem

    本文依據試驗數據模擬了靜壓的間分佈,依據脈動譜模擬了網架結構的荷載時程,並對有限元模型進行了有限元瞬態動力學時程分析。
  10. 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,發展新的試驗技術。
  11. Abstract : with an optical probe based on the principle of multi - wavelength light extinction, size and concentration of droplet were measured in a transonic wind tunnel. this paper presents the measurement results

    文摘:應用基於多波長消光法原理發展的光學探針,測量了跨聲速中不同馬赫數濕氣流自發凝結形成的水滴尺寸及濃度,並給出了實驗結果。
  12. 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超高速氣動力研究所1m高超聲速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。
  13. 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。
  14. Abstract : based onmethods of foreign countries of using wi nd tunnel test and numerical flow simulation, optimum nose a nd tail shapes ofhigh - speed trains are studied to achieve optimum aerodynamic performance so as to efficiently reduce the influence of theaerodynamic phenome na on the train operation and the environment. research results of foreign countr ies are introduced

    文摘:針對國外利用以模型模擬試驗和以流場數值模擬計算為主的方法來尋求高速列車最佳的頭尾部形狀,使列車的綜合氣動性能最佳,從而有效地降低氣動力學現象對列車運行和周圍環境的影響進行了探討,介紹了國外在此方面取得的主要成果。
  15. These landslides go with fluidization peculiarity different degree in course of their motion, and their speed and distance increase several times because of the fiuidization, thereby the disaster area greatly broaden. on the base of above, the paper studies systematically the fluidization of large high - speed rockslides in all its aspects : analyzed the aerodynamic effect in the short - range on the base of the wind turmel experiment, studied the effect of falling into pieces when landslides collides mountain ; studied the accelerating effect through high - speed collide experiment of landslides model ; and the paper reappear the overall process including set - out, collide in the short range, debris flow in the long - range of touzhai large landslide via distinct element method ( dem ), studied the flow law and equation of different type of debris flow resulted from large landslide. as a sample to apply, the paper analyzed fluidization mechanism of touzhai landslide

    基於這一點,本文對大型高速巖質滑坡的流體化現象進行了全面而系統的研究:通過模型實驗,研究了大型高速滑坡凌飛行階段的氣動力學效應,研究了飛行中滑坡巖體在與途中不動山體發塵碰撞時的解體破碎效應,通過滑坡巖體高速碰撞模型實驗研究了滑坡巖體解體破碎後部分巖體的加速運動效應,並應用離散單元法再現了雲南頭寨溝大型滑坡啟動高速、近程碰撞、遠程碎屑流運動的全過程,研究了巖體解體破碎后形成不同類型碎屑流的運動規律及運動方程,並對頭寨滑坡流體化運動機理進行了實例分析,取得了以下主要結論和成果: ( 1 )對于大型高速滑坡,大多在啟程活動階段已獲得了高速,這使得這類滑坡在其離開剪出口之後以凌飛行的形式向前運動,在其飛行過程中,滑坡巖體與氣強烈作用,並產生氣動力學效應,滑坡巖體在因碰撞而產生的解體破碎效應及部分巖體的加速運動效應的作用下,在遠程活動階段,以高速碎屑流的形式向前運動。
  16. The actuator is set in the joint axis in traditional arm, this increased the arm inertia, the dynamical property of robot is poor. if put the actuator on base, and transfer the movement and force to joints through tendons ( cable ), the weight and size of arm can be decreased. furthermore, consider from bionics, tendon ( cable ) - driven is more closed to the movement and force transfer mode of lives using muscles

    腱(柔索)驅動機構具有廣泛的應用前景,本文對其在其他領域的研究和應用情況進行了敘述,以在中的應用為例,給出了一類腱(柔索)驅動機構的構型設計,創造性地運用正交補的方法分析了其工作間,並研究了柔索受力、剛度條件及誤差補償的方法,為柔索驅動並聯機構在中的應用打下了基礎。
  17. Experimental constants include : ambient temperature 291k ~ 301k, rh 15 % ~ 21. 2 %, wind velocity 3. 2m / s at the nozzle position and horizontal to the spray fan, others are same as the fore experiment. the tendency of the two experiments results is consistent with the tendency from simulation. that indicate the improved shield spray is better than the original shield spray in reducing spray drift, and also more better than conventional spray without shield

    試驗參數:噴霧藥液為含1 bsf的水溶液,速1 . 4m s ,向垂直於噴霧扇面,溫度281k 288k ,相對濕度rh9 20 ;室內試驗參數:噴霧藥液為含2 bsf的水溶液,噴頭處速為3 . 2m s ,向平行於噴霧扇面,溫度291k 301k ,相對濕度rh15 21 . 2 ;分別在噴頭下向噴幅外的中和地面布點收集飄失和飄移沉積的霧滴量,作為評價減少霧滴飄失效果的指標:試驗結果表明:改進后的罩蓋噴霧減少霧滴飄失的效果好於雙圓弧未開口罩蓋噴霧,常規無罩蓋噴霧的霧滴飄失量大於開口罩蓋噴霧。
  18. In addition, the paper introduces the seismic design of open top floor, the design of steel cover, the test of static bearing capacity of pile and the test of wind tunnel experiment

    此外,本文還介紹了曠頂層的抗震設計:鋼結構屋蓋的結構設計;介紹了樁基靜載試驗和試驗的概況及其試驗成果。
  19. 2. the model experiment aimed at the aerodynamic effect of large high - speed landslides has been accomplished in wind tunnel laboratory for the first time. on the base of testing research, the paper studies different factor which influence the aerodynaxnic effect of flying 1andslide, and numerically simulates the aerodynamic effect with the help of the hydrodynamics finite element

    ( 2 )首次在實驗室進行了針對大型高速滑坡凌飛行階段氣動力學效應的模型實驗,研究了影響飛行滑坡巖體氣動力學效應的不同因素;應用流體力學有限單元法對飛行滑坡巖體的氣動力學效應進行了數值模擬。
  20. Environmental impact assessment, air quality modeling, atmospheric turbulence, air pollution simulating and other wind engineering simulation with wind tunnel

    環境影響評價,氣質量模式,大氣湍流,氣污染模擬及其它工程試驗。
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