風洞控制 的英文怎麼說

中文拼音 [fēngdòngkòngzhì]
風洞控制 英文
wind tunnel control
  • 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
  • 控 : 動詞1 （告發;控告） accuse; charge 2 （控制） control; dominate 3 （使容器口兒朝下 讓裏面的液體慢...
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  • 風洞 : [航空] wind tunnel; air tunnel; whirl tube; wind tunnel plant; flume
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  1. 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:基於均勻流和紊流風場中的橋塔模型風洞試驗所測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，給出設計風速下塔底控制截面的順風向靜風及抖振內力。
  2. Besides to control rotate speed of electromotor, the control system adjusts wind speed, substantively it is the control of speed press ( v2 = 2q / p ). so, flow field control system adjusts speed press through the control of rotate of electromotor

    風洞流場控制系統除對電動機轉速調節外，主要控制風速v ，實質上就是控制其速壓q （ v ~ 2 = 2q p ） ，所以，風洞流場控制系統是通過控制電動機轉速，來調節實驗段內的速壓。
  3. In among, the control system of mach number is a core system, which guarantee realizing performance for nf - 6 wind tunnel

    其中馬赫數控制系統是保證整個風洞性能指標的核心系統。
  4. 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。
  5. 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。
  6. This text will analyze technology requirement and realization way of flow field adjusting system of fl - 8, and expatiate the theory of frequency conversion. ac variable frequency speed regulator controlled by dtc become the key technology of this facility and make it more advantage and credible. new method and tactic to control wind speed was given

    本文分析了fl - 8風洞流場調節系統的技術需求和實現途徑；闡述了變頻原理， dtc控制的交流變頻調速器作為風洞流場調節系統的先進性和高可靠性及關鍵技術；提出了風洞風速控制的方法和策略。
  7. 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實驗段的風速有嚴格的控制，要求風速調節范圍寬，精度指標高，調節速度快。
  8. This thesis takes the hunan yueyang dongting lake bridge 、 changsha hongshan bridge and changsha liuyang river bridge as the project background, supported by the national natural science foundation project “ field measurements of rain - wind - induced cable vibration on the yueyang dongting lake bridge in hunan province ”, carries out some researches as follow : 1. this thesis introduces the development of cable - stayed bridge 、 the necessity to study the cable vibration, briefly introduces the mechanism of cable vibration and cable vibration mitigation measures

    本文以湖南嶽陽洞庭湖大橋、長沙洪山大橋、長沙瀏陽河大橋拉索振動控制為工程背景，在國家自然科學基金項目「斜拉橋拉索風雨振現場觀測與半主動控制研究」資助下，進行了以下研究工作: 1 .介紹了斜拉橋的發展，拉索振動研究的必要性並對拉索振動形態及減振措施進行了簡要的論述。
  9. The mach number control system need more sub - system to correspond working, which is th a typical more input and one output system

    該風洞馬赫數控制在不同的工況下需要多個子系統協調完成，是一個典型多輸入單輸出，非線性時變系統。
  10. The wind tunnel " s control system is a large and complicated system, which including three set control system : mach number system, model attitude system, compressor surveillance - control system

    該風洞控制系統較為龐大復雜，共有三套系統：馬赫數控制系統、模型姿態控制系統和壓縮機控制系統。
  11. Aiming at the high control performance of the mach number system in nf - 6 wind tunnel, we introduce the self - adapt control strategy based on bp neural network ( nn ), which it use adapt character of nn to control mach number of nf - 6 wind tunnel

    針對nf - 6風洞對馬赫數控制系統提出的高要求，本文採用了一種基於bp神經網路的自適應控制方法，即：用神經網路自適應特性對風洞馬赫數進行控制。
  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

    該課題研究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、市政公用工程、公路工程、房屋建築工程、機場場道工程、橋梁工程、水工隧洞工程、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、風險評價、風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. 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。
  14. Wind effects on buildings and structures ; wind tunnel modelling ; structural dynamics ; vibration control ; environmental fluid mechanics

    風對建築物及結構的作用：風洞模擬；結構動力學;振蕩控制;環境流體力學。
  15. 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。
  16. 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、翼段顫振實驗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。
  17. The numerical simulations agree well with the wind the tunnel experiments, and the critical speed is increased by 13. 4 %. chapter 5 presents the robust flutter suppression of the airfoil

    數值模擬和風洞實驗表明，這兩種控制器是有效的，可將系統的顫振臨界速度提高23 . 4 % 。
  18. In this paper, the boundary layer characteristics of a supercritical airfoil is researched in wind tunnel. from the start to control boundary layer separation and to improve aerodynamics characteristics of this airfoil, three kinds of trapezoid, delta and airfoil shaped vortex generators are designed based on traditional, sub boundary layer and micro - vortex generators conceptual design. it include as follows : 1

    研究工作中，從控制該翼型附面層分離、提高大迎角氣動性能的角度出發，通過風洞實驗研究，研究了該翼型的附面層特性和氣動性能，針對其附面層特性，給出了梯形、三角形和翼型式三種渦流發生器設計方案，為下一步研究工作奠定了堅實基礎。
  19. This paper also describes network communication of wind tunnel control system

    本文還對風洞控制系統的網路通訊進行了一定的闡述。
  20. The basic idea of e self - adept control based on bp nn is to design an adaptive controller that acts as the inverse of the plant. the self - adapt control strategy is using two nn for controlling the wind tunnel. one ' s used to the wind tunnel control ; another one used to identify the plant of the wind tunnel and reverse calculated idea control value

    基於bp神經網路的自適應控制有兩個神經網路，一個用於風洞控制；另一個用於風洞控制對象的辨識，反算出理想的控制量，以此來訓練第一個神經網路，從而產生最佳的控制量。
分享友人
分享到 Line

分享到臉書