風洞試驗段 的英文怎麼說
中文拼音 [fēngdòngshìyànduàn]
風洞試驗段
英文
experiment chamber- 風 : Ⅰ名詞1 (空氣流動) wind 2 (風氣; 風俗) practice; atmosphere; custom 3 (景象) scene; view 4 ...
- 洞 : 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
- 試 : 名詞(古代占卜用的器具) astrolabe
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 段 : Ⅰ量詞(部分) section; segment; part; paragraph; passage Ⅱ名詞(姓氏) a surname
- 風洞 : [航空] wind tunnel; air tunnel; whirl tube; wind tunnel plant; flume
- 試驗 : trial; experiment; test
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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、觀測了十余條線路,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;風沙流路基高度的關系、風洞試驗;對調查路段及依託工程調查、觀測結果統計研究;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。All results of analyzing, calculating and wind tunnel test indicate the vibration of yamen bridge pylon were rather serious, so it is necessary to control the wind - induced responses during construction
計算和風洞試驗均表明,在風荷載作用下該橋塔橫橋向抖振響較為嚴重,需對獨塔施工階段的橫橋向抖振響應進行控制。The study on the buffeting responses and damping measures of bridge pylon during construction, including the flowing parts that were the theory of buffeting wind - induced responses, calculation of the buffeting responses of yamen bridge pylon, the theory of vibration control, the tunnel test study on buffeting responses and damping measures of yamen bridge pylon
橋塔獨塔施工階段抖振響應分析及制振措施的研究主要包括獨塔施工階段抖振響應的理論與計算、結構振動控制措施的理論、風洞試驗研究等幾個方面的內容。An efficient wind field simulation technique for wind - induced vibration analysis of long - span bridges is first introduced in this paper , and the statistic characteristics of the simulated wind field are then discussed on this basis , the time - domain expressions for the buffeting and self - excited forces acting on long - span bridges are further given a simple and practical method is presented for the non - linear parameter identification involved in the calculation of self - excited forces by using the above theory , the wind field and aerodynamic forces acting on the hong kong ting kau bridge are obtained the time - domain buffeting response analysis of the bridge shows that the analytic results agree quite well with the experimental ones this indicates that the theory presented in this paper has reached a practical level
介紹了一種快速高效的用於大跨度橋梁風致振動分析的風場模擬方法,並對模擬風場的統計性質進行了討論和驗證在此基礎上進一步給出了大跨度橋梁抖振力和自激力的時域表達方式,其中針對自激力計算中涉及的參數識別問題,提出了一種簡單實用的非線性參數識別方法本文採用上述理論,獲得了作用於香港汀九大橋上的風場和氣動力,據此對大橋進行的抖振響應時域分析表明,計算結果與風洞試驗結果吻合良好,說明文中述及的這套理論已達到實用的階段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:通過橋梁節段模型風洞試驗測量了橋梁的風力,研究了橋面護欄和隔離帶以及變模型長度對模型風力的影響,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用試驗結果時應考慮模型長度、橋面護欄及隔離帶的影響Abstract : acoustical experiment of low noise wall models for testingsection in transonic wind tunnels is introduced in this paper
文摘:介紹了跨聲速風洞試驗段低噪聲壁板模型的聲學試驗。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
通過試驗驗證,風洞實驗段具有穩定的氣流場,且風速廓形滿足對數規律,符合自然大氣近地面層的風速特徵,說明風洞滿足風蝕試驗要求。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風洞中測試橋梁節段模型顫振導數的強迫振動法,並通過大量的試驗驗證了本測試裝置的可靠性。Quality of wind tunnel relates not only to airflow shape and outside frame but also subjected to the control system of electromotor. the rotate speed of fans and the speed press of flow field at experimental segment are the primary parameters for control
風洞流場的品質除與風洞氣動外形及內部構造有關外,關鍵取決于風洞風扇電機控制系統,其調節的主要參數是風扇電機的轉速和試驗段流場的速壓。The flow regime inside of the tunnel, the characteristics of hydrodynamic load, the hydrodynamic pressure feature at the gate slot and the vent air speed during the shutting of the gate is studied through model test, and then the reliability of the gate, the feature of the vent air speed and the pressure at the gate slot during the shutting of the gate are analyzed based on the test result concerned
通過模型試驗研究了事故閘門關閉過程中泄洪洞內的水流流態、門體的水動力荷載特性以及門槽段動水壓力特性、通氣孔風速,並根據試驗結果分析了該閘門動水下門過程中的可靠性,通氣孔風速特性和門槽段壓力特性。The existent methods of research on structural wind engineering include measure on the spot, test in wind tunnel, analyze in theory and calculating wind engineering
現階段結構風工程的主要研究手段主要有現場實測、風洞試驗、理論分析和計算風工程四大類。Because the active load criterion don ’ t provide the wind load calculate on the complicated shape and circumjacent disturb high - rise buildings, now the primary means to determine the wind load on buildings is wind tunnel test
由於現行荷載規范沒有提供復雜外形及周邊建築干擾下的高層建築風荷載計算,現在確定建築風荷載的主要手段還是風洞試驗。The main study method of wind engineering of structures is wind tunnel experiment
當前,風洞試驗是研究風工程的主要手段。For testing, a partial - scale model of a tested automobile is placed in a wind tunnel to get the airflow pattern around the automobile. this is a traditional method and very expensive
試驗主要是進行風洞試驗,它是汽車空氣動力學研究的主要手段,它是發現和驗證理論和計算方法的重要手段和基礎。Dynamic performance of pingsheng bridge and the ground - anchored suspension bridge model, which has the same structural parameters as pingsheng bridge, is calculated. furthermore, the influence on dynamic performance for pingsheng bridge of structural parameters, such as rise - span ratio of main cable, dead load
6 .針對大跨度自錨式懸索橋可能存在的風致振動,對平勝大橋進行了節段模型和全橋模型風洞試驗研究,研究表明:平勝大橋具有足夠的抗風穩定性。In this paper we do the rigidity model wind tunnel test in the arch & sci academe in guangdong provience to get some datas to apply on the design of the space truss
在廣東省建築科學研究院的風洞中使用大試驗段進行紊流流場模擬試驗,進行剛性模型的風洞試驗。分享友人