high angle of attack angle 中文意思是什麼
high angle of attack angle
解釋
大迎角-
The shm ( single hole microblowing ) as a new perturbation active control technique has been applied to the slender body with different model noses at zero sideslip and high angle of attack
摘要在亞臨界流動范圍內，對具有不同頭部形狀的尖拱形細長旋成體在無側滑大迎角下進行單孔位微吹氣擾動控制實驗。 -
Flutter analysis of a high - aspect - ratio sandwich wing under large angle of attack
大展弦比飛機翼身結構不同剛度對結構響應的影響 -
This thesis regard internal property reorganization in the group of pangang as the research object, from chengdu seamless steel pipe limited liability company with chengdu iron and steel works inside exterior environment reorganizing in front and back commences, making use of to exceed the makel - bot with of five factors competition models and the method of factors analysis, after analyzing the reorganization of the business enterprise a profession for facing competes the situation. develop the development the business enterprise with the profession industry from the international local profession rival circumstance after analyzing the reorganization should the market position of the establishment with develop the strategy target. make use of the swot the analysis the method, to after the reorganization the development strategy of the business enterprise, from manage the angle proceeded the fixed position analyzes, for after the reorganization business enterprise development provided four kinds of developments strategy that eligibility choose : the brave development strategy, request the resources advantage, funds advantage, human resource advantage, technique advantage that new company make the most of new business enterprise in empress in reorganization, is an essential condition to increases to manage the level, quickly technique reforms, develop the high and additional worth product with new product production line, as soon as quikly change to strong and large business enterprise, realizes soon steel aircraft carrier dream ; dispersion strategy, the technology market quota with deal with produce high additional worth product, completely promote business enterprise brand image, extend high carry product of the exaltation product, is a necessary means to increases business enterprise performance, realizes business enterprise target ; defense strategy, adjusting the business enterprise organizes construction, reducing the intensive type in labor and the low additional worth product line, lower bad the property saves the deal, alleviating the business enterprise burden, attaining the casual wear go to battle, benefitting to the challenge that make frontal attack the rival ; withdraw strategy, compress the production of the high depletion and high cost product, simplify the production craft, controlling the cost of the end product in the lower level, is a valid path to increases business enterprise competition ability
本論文以攀鋼集團內部的資產重組為研究對象，從成都無縫鋼管有限責任公司與成都鋼鐵廠重組前後的內外部環境入手，運用邁克爾?波特的五力競爭模型及因素分析法，分析了重組后的企業所面臨的行業競爭態勢。從國際國內行業競爭對手情況和本行業發展動態分析了重組后企業應確立的市場地位和發展戰略目標。運用swot分析法，對重組后企業的發展戰略，從管理角度進行了定位分析，為重組后企業發展提供了可選擇的四種發展戰略：即大膽發展戰略，要求新公司充分運用重組后新企業的資源優勢，資金優勢，人力資源優勢，技術優勢，是提高管理水平，加快技術改造，開發高附加值產品和新產品生產線，盡快立於強勢企業之林，早日實現「鋼鐵航母」夢的必要條件；分散性戰略，提高產品的科技含量和生產高附加值的產品，全面提升企業品牌形象，擴大高端產品的市場份額，是提高企業效益，實現企業目標的必要手段；防禦性戰略，調整企業組織結構，削減勞動密集型和低附加值產品生產線，降低不良資產存量，減輕企業包袱，做到輕裝上陣，有利於迎擊競爭對手的挑戰；退出性戰略，壓縮高消耗、高成本產品的生產，降低低端產品的比例，精簡生產工藝，將最終產品的成本控制在較低水平，是提高企業競爭力的有效途徑。 -
Based on the aerodynamic characteristics of space shuttle booster - like missile bodies at angle of attack from 0 to 180, the flying characteristics of high maneuver at 90 angle of attack and velocity consuming at 180 angle of attack are analyzed
摘要以新一代無翼式氣動布局導彈為背景，在大攻角氣動特性理論基礎上，分析了在導彈主動段、攻角在180范圍內變化的導彈飛行特性，得出了90內大攻角最大轉彎能力和180攻角附近最大降速效果的結論。 -
For example, high - lift ( low speed / high angle of attack ) performance may be required as well as low - lift ( high speed / low angle of attack )
例如高揚程（低速/高攻角）表現以及可能需要低揚程（高速/低迎角） -
For instance, the velocity distribution can be prescribed for the upper surface at a high angle of attack while simultaneously the velocity distribution can be prescribed for the lower surface at a low angle of attack
比如可指定的速度分佈在水面上的高攻角的同時，可以在指定的速度分佈在低角度下地面攻擊 -
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:通過風洞實驗研究了風向對兩個和三個鄰近建築風壓分佈的影響特性.實驗結果給出了在不同風向角下，作用於受擾建築上的平均和脈動風壓系數.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，建築物上的總體風壓系數不是很大，但在建築物表面上有時會產生局部較大的負壓系數.另外，在某些風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 -
The angle of attack and the sideslip angle are the two important measured quantities for the aircraft navigation / control aerodynamics analysis and structure analysis. for the different kinds of disturbance influence, now the sensors ca n ' t measure it accurately, in the high angle of attack, the error will add with the angle of attack increase
迎角和側滑角是飛機飛行導航控制、航電等方面重要的兩個測量量，由於受到各種干擾因素的影響，現代傳感器很難對其精確測量，在超大迎角飛行過程中，其測量誤差隨迎角增加而增加。 -
On the sensitivity of aircraft longitudinal flying qualities to aerodynamic derivatives at high angle of attack
飛機縱向飛行品質對大迎角氣動導數的敏感性研究 -
All models can predict the attached and little separation flows. for the high angle - of - attack separated flows with distinct history effects, the j - k and k - g models perform better than b - l model. for multi - body and multi - block mesh system, model k - g, which does not need the distance normal - to - wall, performs much better adaptability for complex geometries
所有模型都可以很好地模擬附體及和小分離流動;對于具有明顯上游歷程效應的大迎角分離流動， j一k和k - s模型的模擬能力較強;對于多體干擾和多塊網格系統， k - s模型無需計算網格單元至物面的垂直距離，具有較強的適應能力，且計算效果最佳。 -
With attack angle, two types of unsteady flowfield over high - speed spinning projectile without and with lateral jets are successfully simulated respectively by dual - time stepping method. the two results of flowfield show unsteady and periodically after one period of spinning
在高速旋轉彈丸底噴流-側噴流共同干擾流場的計算中，發現高速旋轉對底噴流動的影響沒有對側噴流動的明顯。 -
Then s - style high maneuver trajectory with high angles of attack is simulated by given control commands of angle of pitch
進行了俯仰平面s型軌跡機動飛行模擬，模擬結果說明了大攻角飛行的高機動特性。 -
Numerical investigation of three - dimensional steady jet - interaction phenomenology. ( 1 ) aerodynamics characteristic is calculated by using renolds - averaged navier - stokes equations discretitted in cell - centered finite volume framework and improved on baldwin - lomax turbulent model for the slender body at the high angle of attack
（ 1 ）採用三維積分形式n - s方程的中心有限體積離散方法，提出了改進的b - l湍流模型，進行了較大攻角彈體的氣動特性計算和結果分析。 -
The mechanism of two possible ways of thrust vectoring control : force and moment control are analyzed. the effects of thrust vectoring on aircraft supersonic performance, take - off and landing performance, low speed and high angle of attack performance are studied. the air combat effectiveness of thrust vectoring control and post - stall maneuvers are also analyzed
5 、分析了推力矢量的兩種應用方式：力控制和力矩控制的機理，研究了推力矢量對飛機超音速性能、起降性能、低速大迎角性能的影響，討論了推力矢量與過失速機動對空戰效能的影響。
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