用風洞研究 的英文怎麼說

中文拼音 [yòngfēngdòngyánjiū]
用風洞研究 英文
wind-tunnel study
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  • : 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
  • : 研同 「硯」
  • : Ⅰ動詞(仔細推求; 追查) study carefully; go into; investigate Ⅱ副詞[書面語] (到底; 究竟) actually; really; after all
  • 風洞 : [航空] wind tunnel; air tunnel; whirl tube; wind tunnel plant; flume
  • 研究 : 1. (探求) study; research 2. (考慮或商討) consider; discuss; deliberate
  1. 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測試方法,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,開發了一套在中採強迫振動法測試顫振導數的裝置。
  2. Hangzhou grand theater ' s main part is 170m long and 136m wide, and the surface of it is consisted of ellipsoidal surface roof and conical surface gladding. based on wind tunnel test and theoretical analysis, the vibration mechanism, vibration shape, dynamic response and wind load factor of long - span combined structure consisted of ellipsoidal surface roof and conical surface gladding subjected to wind excitation are analyzed systematically in this dissertation, and some valuable results are obtained

    本文採模型試驗和計算機數值計算相結合的方法,對杭州大劇院大跨度橢球屋蓋和倒圓錐面幕墻組合結構的振機理、振形態、振響應以及振系數進行了較系統的,取得了有意義的結論。
  3. But the investment for experiment is too large, and the experiment cycle is too long. this will restrict the research on the theory of wind effect on bridge

    然而橋梁試驗的設備投資大,試驗費高,周期長,這在很大程度上限制了大跨橋梁振機理的
  4. The results showed that the culture of south dongting lake wetland was rich in diversity, those are the rice cultivation culture, high - balustrade dwelling, nuo culture, ship culture, dragon boat culture, chu culture, ancient architecture landscape, wetland foodstuff and cuisine culture, the civil art, the historic heritage and cultural relics, the revolutionary sites and ruins, and production and living culture, etc, the eco - tourism value of the landscape cultures in the region was discussed with emphasis, and we also analyzed its features and orientation. the results revealed that south dongting lake wetland plays a key role on the yangtze river reaches civilization, china civilization and even had a great influence on the global civilization

    此外,還全面地了濕地景觀文化,闡述了其概念、作、分類及發展現狀;總結了濕地文化資源(包括稻耕文化、高臺干欄式民居、儺文化、船文化、龍舟文化、楚文化、古建築、飲食文化、民間藝術、歷史遺跡和文物、革命遺跡、生產生活、民俗情等) ;指出南庭湖濕地景觀文化的精髓和內涵是濕地文化、水文化、稻耕文化和楚文化,強調了它在中國長江流域文明搖籃及在中國乃至世界文明中的重要地位。
  5. The results of the wind tunnel test, which were made to research the effect of tmd indicates the tmd was suitable and useful for yamen bridge pylon tower

    tmd對崖門橋塔的減振效果而進行的試驗表明,於該橋塔的tmd設計合理,對橋塔的橫橋向抖振有較好的抑制作
  6. 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,運建築表面動態測壓技術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。
  7. 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:通過橋梁節段模型試驗測量了橋梁的力,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.試驗結果表明:設計試驗方案以及應試驗結果時應考慮模型長度、橋面護欄及隔離帶的影響
  8. Using a special experimental wind tunnel, large number of experiments were carried out to study the resistance and efficiency performance of the inertial stages, he multilayer gauze stages, the two stages and three stages monisture separator. the numerical simulation results were verified

    專門的實驗進行慣性級、網墊級、復合兩級以及復合三級濾清器的阻力特性和效率特性的實驗,並對數值模擬結果加以驗證。
  9. 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試驗項目的,應模糊神經網路方法,成功地預測了大跨屋蓋結構的壓分佈特性。
  10. 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:通過實驗向對兩個和三個鄰近建築壓分佈的影響特性.實驗結果給出了在不同向角下,作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
  11. 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 )校準系統的製和初步應工作。
  12. This subject directly investigates 14 construction enterprises and more than 40 construction sites. the types of the projects involve railway, bridges, tunnel, municipal, road, industry and civil construction, airport runway, hydraulic tunnel and others. this paper deeply analyzes and assesses the occupational health and safety management actuality of the construction site, points out the main problems in the process of hazard identification, risk assessment and risk control, and also analyzes why these problems exist

    該課題直接調查了十四家施工企業和四十多個項目施工現場,項目類型涉及鐵路工程、市政公工程、公路工程、房屋建築工程、機場場道工程、橋梁工程、水工隧工程、土石方工程等,對施工現場實際的職業健康安全管理現狀進行深入的分析、評估,指出了危險源辨識、險評價、險控制過程存在的主要問題,並分析了為什麼會存在這樣的問題。
  13. 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

    本文了採應變法實測載荷和根據飛行實測參數和實驗數據計算載荷之間的關系,表明採飛行實測參數和實驗的數據計算載荷在亞音速范圍內是可行的,與採應變法實測載荷是吻合的。
  14. 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

    它對柵格翼氣動特性的影響規律,本實驗的方法對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
  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:通過模型實驗,了大型高速滑坡凌空飛行階段的空氣動力學效應,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了滑坡巖體解體破碎後部分巖體的加速運動效應,並應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,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空飛行的形式向前運動,在其飛行過程中,滑坡巖體與空氣強烈作,並產生空氣動力學效應,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下,在遠程活動階段,以高速碎屑流的形式向前運動。
  16. Application of parallel wind tunnel balance

    並聯天平應
  17. With development of high - speed missile imaging detection aero - optical effects, certain accomplishments on theoretical analysis have been obtained. the laboratory test system needs to be built to vertify the correctness and validity of theory. at the same time, to study the transient influence of high - speed flow on image transmission, an aero - optical effect experiment of wind tunnel is needed furtherly on the foundation of the transform of wind tunnel, in order to use the researching accomplishment of aero - optical effects in the aero - optical distortion image adjustment evaluation

    隨著高速導彈成像探測氣動光學效應機理工作的深入開展,在理論分析上取得了一定的成果,需要搭建實驗室試驗系統來驗證理論的正確性和有效性,同時為了較真實地高速流場對圖像傳輸的瞬態影響效應,需要在改造的基礎上進一步進行氣動光學效應試驗,期望將獲得的氣動光學效應工作成果於氣動光學畸變圖像校正效果的評估。
  18. 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前景,本文對其在其他領域的和應情況進行了敘述,以在中的應為例,給出了一類腱(柔索)驅動機構的構型設計,創造性地運正交補的方法分析了其工作空間,並了柔索受力、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打下了基礎。
  19. So, it is significant from present and long - term benefits to design and make movable wind erosion tunnel, and to apply it as a tool to carry out research on protective cultivation, diminution of soil wind erosion, reduction through conservation tillage

    因此,設計和製作移動式作為有力的工具,開展保護性耕作減少土壤蝕,防治沙塵暴的就具有重要的現實意義和長遠意義。為此本文進行了下列工作: 1
  20. 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。應實驗技術沙地貌,不受自然條件的限制,能夠大大縮短周期,大量節省時間,人力和物力。
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