翼的前緣 的英文怎麼說

中文拼音 [deqiányuán]
翼的前緣 英文
snoot
  • : 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...
  • : 4次方是 The fourth power of 2 is direction
  • : Ⅰ名詞1 (在正面的) front 2 (次序在先的) first; top 3 (過去的; 較早的) ago; before; preceding...
  • : Ⅰ名詞1 (緣故) reason 2 (緣分) predestined relationship 3 (邊) edge; fringe; brink Ⅱ動詞(攀...
  1. The tiles are backed by a high-temperature-resistant material on the nose and leading edges of the wings.

    這些面磚敷貼在用耐高溫材料製成機頭和機
  2. 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

    除了一個加長機鼻外,氣動布局修改包括:在機鼻兩則裝上可以防止在高攻角下脫離偏航「幼獅」式小邊條,一對固定在進氣道三角鴨,鋸齒型外,和代替刀。
  3. A handling party rushed forward and grabbed hold of special toggles on the trailing edges of the wings.

    一群地勤人員沖向去,抓住了機特殊套環。
  4. Numerical investigation of the effects of different leading - edge profiles on vortical flows over a double - delta wing

    尖頂襟長度對三角渦破裂影響
  5. The main popular theoretical method adopted to study end - plate connection is finite element technique under monotonic loading at present. this paper applies nonlinear ( material, geometry and contact ) finite element method to analyze the behaviors of connections under cyclic load at fist time. contact elements are set between end plate and column flange, screw cap and neighborhood plane, bolt bar and hole

    對于端板連接理論分析,目國內外研究主要局限在單向加載有限元分析范疇,本文首次採用三維非線性(包括材料、幾何與狀態非線性)有限元對端板連接進行了循環加載分析,端板與柱間、螺栓頭(帽)與相鄰板件間、螺栓桿與孔壁間都設置了反映邊界狀態接觸單元。
  6. The effects of trailing edge jets on the vortex breakdown of a delta wing

    噴流對三角影響
  7. Experimental analysis on oscillations of vortex breakdown location over delta wing

    三角渦破裂點脈動實驗分析
  8. The effects of vectored jet on leading edge vortex breakdown of 65 176 ; delta wing

    矢量噴流對65 176 ;三角渦破裂影響
  9. Effect of the apex flap on the leading edge vortex breakdown over a 70 176 ; delta wing

    尖頂襟對70 176 ;三角渦破裂影響
  10. 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 」型無尾布局氣動外形設計,闡述了該布局氣動設計思想,根據型無人機總體設計技術指標,進行了氣動外形設計,提出了兩種氣動布局方案:無尾氣動布局和「 w 」型無尾氣動布局,利用ug建模軟體和mgaero氣動分析計算軟體計算了兩種布局縱、橫向氣動性能,分析了掠角和身融合對氣動性能影響,計算結果表明, 「 w 」型氣動布局設計思想是正確,所設計「 w 」型無尾氣動布局方案氣動性能優越,超過了總體設計技術指標。
  11. Abstract : the effects of airfoil geometric parameters on wing " s spacial and polarized scattering characteristics have been systematically revealed. the results of the study indicated that the calculating value of diffraction from trailing edge by using the formula of the straight wedge is very far from experimental results for vertical polarization, and the contribution of thickness of the trailing edge to scattering must be considered in the calculation. the scattering peak of leading edge depends only on radius of airfoil for horizontal polarization. but for vertical polarization, it depends on maximum thickness and the location of maximum thickness. engineering formulas for evaluating all scattering peaks were given in the paper. it is important for the design of low - rcs wing

    文摘:系統地揭示了形幾何參數對機空間散射特性、極化散射特性影響規律.研究發現,在垂直極化狀態下用理論尖劈公式計算機繞射計算結果與實驗結果相差甚遠.提出在垂直極化狀態下機繞射計算必須將后厚度考慮在內見解.對於水平極化,散射波峰只與半徑有關;而對於垂直極化,散射波峰與形最大厚度以及最大厚度位置有關.給出散射波峰工程估算公式,為低雷達散射截面( rcs )機設計提供依據
  12. Firstly, the paper analyzes the basic airfoil profile in theory. its forepart adopts ellipse column shape and its back - end adopts plane shape. simultaneously, the 3d parametrizing model is set up

    首先,本文是從理論上對基準型進行了分析,段曲線部分採用橢圓柱結構,后部分採用平面結構,建立了飛機機三維參數化模型。
  13. Abstract : approximate methods for calculating aerodynamic heating rates on space shuttles are discussed. various methods are given for predicting the heating rate at axisymmetric stagnation points, general three dimensional stagnationpoints and the leading edge stagnation point of wings. numerous laminar and turbulent heating techniques for flat plates and cones are analyzed and compared. a brief review of some methods is presented to predict heating rate for winward centerline and lateral direction off the symmetry plane. the results show that the methods are simpler and can guarantee enought precision for predicting aerodynamic heating environment of space shuttles

    文摘:介紹了國內外預測航天飛機氣動加熱工程計算方法.給出了軸對稱、非軸對稱和機等各種外形駐點熱流密度計算,分析和比較了平板、錐體層流和湍流熱流密度計算各種方法,概述了航天飛機迎風面中心線和離開中心線橫向熱流密度計算.計算結果表明,本文方法用在航天飛機氣動熱環境初步設計中比較簡單並且有足夠精度
  14. Because these projectiles attain hypervelocity within the atmosphere and are subjected to enormous heating as well as aerodynamic loads, the survivability of the front region of projectile wing is very important for designer to consider

    由於這類彈丸在大氣中高速飛行,並受到劇烈氣動加熱及空氣動力負荷作用,因此,彈生存能力就成為彈丸設計中必須要考慮問題。
  15. The model is solved with the finite difference method, the simulation software is organized to simulate the transient thermal response of the front region of projectile wing such as those launched by electrothermal chemical guns

    採用有限差分法進行數值求解,並編制了較為通用模擬軟體,用於模擬諸如由電熱化學炮發射高超聲速穿甲彈彈瞬時熱效應。
  16. Leading edge and trailing edge means the function of the dimmer

    飛機螺旋槳和機后邊是最能夠反應調光器功能
  17. The receiver aircraft is fitted with a probe that extends out from the side of the fuselage or from the leading edge of the wing

    受油機裝備有一個從機身一側或者是機伸出探頭。
  18. The only evidence would be any recordings where radar approach states that they see nothing on radar ( no evidence ) and all the paint and fiberglass missing from the leading edge of my outer port wing ( still no evidence )

    唯一證據會是雷達接近地方任何記錄,在雷達上什麼也沒看見(沒有證據) ,也絲毫看不見我外面艙門機(也沒有證據)螺旋槳所失去油漆和玻璃纖維。
  19. According to the theory of boundary layer control and aerodynamics of delta wing at medium attack angle, the generation mechanisms of rolling, pitching, yawing moments, which are produced by coupling between the microactuator array and boundary layer near the leading edge, have been discussed

    首先,結合空氣動力學邊界層控制原理以及三角在中等攻角條件下氣動特徵,詳細討論了微致動器陣列通過與邊界層耦合產生三角翻滾、俯仰和偏航等力矩機理。
  20. Experimental investigation for the effects of vectored trailing - edge jets on the leading - edge vortex reakdown of a double delta wing

    雙三角剖面形狀對渦運動影響
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