翼動角 的英文怎麼說

中文拼音 [dòngjiǎo]
翼動角 英文
flapping angle
  • : Ⅰ名詞1 (翅膀) the wing of a bird 2 (像翅膀的東西) the wing of an aeroplane etc : 鼻翼 wing of...
  • : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
  1. There are qualified and skilled technicians in our company devoted in research and development of aeroboat, motivated umbrella, tri - angle wings and so like flying models, integrating every advantages to serve our customers, meeting the increasing demands of the market

    公司具有作風優良技術精湛的研發人才專業從事飛艇力傘,三,等相關現代航空飛行器的技術開發。公司集自身開發製作發布為一體的優勢為客戶提供全方位的優質服務,以滿足不斷增長的市場需求。
  2. Contraction of the zygomatic major muscle elevates and retracts the corner of the mouth, while the depressor labii inferioris pulls the lips down and out

    大顴肌控制嘴的延展和收縮作,降鼻肌則負責使上下唇上下移
  3. Results as following : in the east china sea and the yellow sea, zooplankton showed higher diversity in the low latitude and warm species occurred mainly in the south of 31 n, five communities were distinguished by twinspan method, based on data of species composition and environmental factors. they are : i ) yellow sea neritic community ( f ) with indicator species of labidocera euchaeta in autumn and centropages mcmurrichi in spring ; ii ) yellow sea central community ( hc ) with indicator species of themisto gracilipes, calanus sinicus and euphausia pacifica, the latter two species occurred only in autumn ; iii ) east china sea continental shelf mixed water community ( k ) with indicator species such as rhincalanus cornutus and pterosagitta draco which were confined in waters with high temperature and salinity, iv ) yellow sea and east china sea mixed water community ( he ) and v ) east china sea inshore mixed water community ( m )

    根據twinspan等多元分析結果,比較各組群的浮遊物種類組成和環境特徵,可將東、黃海浮遊物群落分為5個,黃海沿岸群落( f ) ,指示種秋季為真刺唇水蚤,春季為墨氏胸刺水蚤;黃海中部群落( hc ) ,指示種以細長腳蟲戎為主,秋季還有中華哲水蚤和太平洋磷蝦;東海外陸架高溫高鹽群落( k ) ,指示種為錨哲水蚤、飛龍箭蟲等多種狹布型暖水種類;黃東海交匯區群落( he )和東海近岸混合群落( m ) ,兩群落包含多種生態類型種類,其中溫帶近岸低鹽種在he中較多,廣布性暖水種在m群落中較多。
  4. The effect of reynolds number on rudder hydrodynamic performance is also analyzed. up to the stall angle the computed lift and drag agree well with measurements and other author ' s calculations, whereas stall angle, lift and drag beyond the stall angle are slightly under - predicted. the solver is used to investigate laminar and turbulent separated flows around a 6 : 1 prolate spheroid at high incidence angles and their effects on hydrodynamic forces

    應用所開發的求解器,以naca0015型舵為算例計算了船舵在不同雷諾武漢理三;大學博士學位論文數下大舵范圍內的三維粘性流場及水力,成功地預報了舵的失速和最大升力,並初步探討了雷諾數對舵水力的影響;計算結果與現有試驗和計算數據比較,吻合程度相當好,初步檢驗和驗證了該求解器精確模擬粘性流和計算水力的能力。
  5. In addition to a longer nose, aerodynamic modifications feature kfir - style small nose side - strakes to prevent yaw departure at high aoa, a pair of fixed delta canards on the upper parts of the air intakes, dog - tooth outboard leading - edge extensions, and short fences replacing leading - edge slots

    除了一個加長的機鼻外,氣布局的修改包括:在機鼻兩則裝上可以防止在高攻下脫離偏航的「幼獅」式小邊條,一對固定在進氣道的三,鋸齒型外前緣,和代替前緣槽的短刀。
  6. A mathematical model reflecting the tilt rotor unsteady and nonlinear aerodynamic characteristics in the longitudinal channel is presented in the paper. in the full flight envelope, the rotor thrust continues tilting and the aerodynamic forces of each component change as a function of airspeed and nacelle angle

    在整個飛行包線內,旋的推力矢量方向不斷變化,飛機各部件的氣力隨發機短艙傾和空速的變化而變化,因而飛機的飛行力學有很強的非定常、非線性特性。
  7. Proceed from the angle of energy and taking considerations on interference factor and drag of airfoil profile, a kind of new typed calculation method on the design of vane air foil was put forward according to the vortex aerodynamics model of the rotor of wind turbines with horizontal axis

    摘要根據水平軸風力機轉子的渦流氣模型,從能量的度入手,考慮干涉因子和型阻力,提出了葉片型設計的一種新型計算方法。
  8. In alchemical writings we meet a seemingly bewildering multiplicity of animal symbols - red lions, white eagles, stags, unicorns, winged dragons and snakes

    在煉金術裏面,我們看到表面上令人困惑的物象徵符號? ?紅獅子,白鷹,牡鹿,獨獸,有的龍和蛇。
  9. Study of crossflow topology of unsteady vortex motion over a delta wing

    非定常旋渦運橫截面拓撲結構研究
  10. Experimental analysis on oscillations of vortex breakdown location over delta wing

    前緣渦破裂點脈的實驗分析
  11. Numerical investigations of the effects of different leading - edge profiles on the vortex flows over double - delta wings

    繞三中的非定常現象研究
  12. This paper has mainly made a research on the aerodynamic configuration design of " w " tailless aircraft and the design idea has been presented here. according to the configuration design requirement of certain uav, aerodynamic configuration design has been carried out and two configuration projects are given out at last : forward - swept wing tailless configuration and " w " tailless configuration. the longitudinal and lateral aerodynamic characteristics are obtained by using two aided soft : ug to build up geometrical models and mgaero to calculate flow field

    本文研究了「 w 」型無尾布局的氣外形設計,闡述了該布局的氣設計思想,根據型無人機的總體設計技術指標,進行了氣外形設計,提出了兩種氣布局方案:前掠無尾氣布局和「 w 」型無尾氣布局,利用ug建模軟體和mgaero氣分析計算軟體計算了兩種布局的縱、橫向氣性能,分析了前掠前緣掠身融合對氣性能的影響,計算結果表明, 「 w 」型氣布局的設計思想是正確的,所設計的「 w 」型無尾氣布局方案的氣性能優越,超過了總體設計技術指標。
  13. Compared with a delta wing aircraft, the double - delta wing configuration has better aerodynamic performance at high angles of attack. an operational analysis was introduced as a method for evaluating training effectiveness of trainer aircraft. approaches to the engineering estimation of aerodynamic characteristics for aircraft with a double - delta wing configuration were studied, and the procedures for determining aircraft performance indices formulated. taking training effectiveness as the objective function and geometric parameters of the wing platform as design variables, through a numerical multivariate optimization arithmetic, the conceptual design optimization for a certain fighter trainer aircraft with double - delta wing configuration was carried out under the constraints of tactical and technical requirements and interrelated geometry. agreement of a calculation example with engineering practice indicates that the optimal design has higher training effectiveness than the baseline design, and in addition, improves the structural force - bearing conditions

    雙三布局比三飛機具有更好的大攻空氣力特性.引入了評估教練機訓練效能的作戰分析法,研究了雙三布局飛機空氣力特性的工程計算途徑以及飛機性能指標的確定方法.以訓練效能作為目標函數並選取機平面形狀的幾何參數為設計變量,採用多變量數值尋優方法,在戰術技術指標及相關幾何約束條件下,對某高級教練機的雙三布局方案進行了優化選擇.算例表明最優方案不僅比原準方案具有更高的訓練效能,還改善了結構的受力情況,與工程實踐吻合
  14. Firstly, the airfoil ' s classic flutter ( at small attack angle ), stall flutter ( near the static stall angle ) and response ( at large attack angle ) are analyzed. it is found from the numerical results that " lock - in " will occur at certain freestream velocity range near the static stall angle, where the frequency of the vortex will be equal to the natural frequency and the flutter has the characteristic of self - induced oscillation. when the attack angle is far from the static stall angle, the vortex will have its own frequency, which differs from the natural frequency, and the flutter has the characteristic of forced oscillation

    首先研究了二維型的古典顫振(小攻) 、失速顫振(失速攻)和力響應問題(大攻) ,得到以下結論:在靜態失速攻附近的一定來流速度范圍內,分離渦會發生頻率鎖定現象,分離流的頻率與固有頻率趨于相同,這時的振呈現自激振的特點;遠離失速攻時分離流頻率則擺脫固有頻率的影響,此時的振具有強迫振的特點。
  15. Experimental data from the towing tank tests show that the hydrofoils give more water - drags on the raft ' s hull, and that the hydrodynamic performance of a ferrying raft will be improved by rational designs of the hydrofoils ' profile, angles of attack as well as the position of hydrofoil on the hull

    船模水池中的模型拖曳試驗表明,盡管水會增加門橋的水阻力,但只要合理地設計水型、攻和安裝位置,可以改善和提高門橋水力性能。
  16. From there it was to serve as on - scene commander, monitoring and communicating with the rescue helicopter, the accc back at chek lap kok, and the hong kong maritime rescue co - ordination centre of the marine department

    機在空中作現場指揮,監察直升機的救援行,並且與直升機赤?航空指揮及控制中心和海事處海上救援協調中心保持聯絡。
  17. The fossils here are not only abundant, but kept very intact, especially are well - known for a lot of biological software organize characteristic

    如,在恐龍、鳥類、龍和哺乳物的化石中發現了羽毛、毛狀物和毛發,許多生物化石都有軟組織結構如皮膚印痕、軟骨結構、質喙等。
  18. Shangyu power capacitor co., ltd is an appointed manufactory for power capacitor by ministry of mechanical building, and is also one of the first batch of recommendation products manufactory list for the construction and reform of city countryside powergrid in china. spcc is located in shangyu city of advantaged yangtze river delta with ningbo adjoined in the east, hangzhou in the west, wenzhou in the south and hangzhou bay in the north. spcc has a strong engineer team products with logical designing and advanced craft, scientific managerial approach and complete testing system

    公司位於中國長三東南的上虞市。東鄰寧波西毗杭州南接溫州北瀕杭州灣,地理位置得天獨厚。公司技術力量雄厚,產品設計合理工藝先進管理科學測試手段全完善關鍵工序的生產過程在恆溫恆濕的超潔凈室內進行真空乾燥浸漬全過程的真空度及溫度由計算機自控制。
  19. In order to predict hydrodynamic characteristics a computational system is developed including determination of the pressure distribution on a wing section by use of the conformal mapping method and panel method respectively and of the flow in boundary layer according to the thin shear layer approximation ( tsl ) for navier - stokes equation approach. the wing sections of naca4412 and naca0012 are applied to test the computational system. the numerical inspection shows that the panel method with better precision and the momentum and the displacement thickness of boundary layer can be used to complete this calculation

    本文分別用守屋的保變換法和基於源匯渦分佈的面元法,建立了計算槳葉表面壓力分佈的數學模型;應用納維-斯托克方程的薄層近似理論模式和有限差分數值方法,建立了計算機表面邊界層內部流的數學模型;應用槳葉表面邊界層內部粘性流和外部勢流流在邊界上的匹配演算法,建立了槳葉表面二相流流的計算方法和相應的計算機程序。
  20. With it s old name as : shandong xinda trading co., ltd., was established in 1998, specialized in the issuing and making of areoboat, remote controllable umbrella, remote controllable tri - angle wing, motivated hot air balloon, large scale advertising plan and undertake the photo making by air

    原名山東省信達商貿有限公司,成立於1998年,專業從事飛艇遙控力傘遙控三力熱氣球大型廣告飛機等空中飛行廣告的發布與製作,並承攬空中航拍業務。
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