氣動力擾動 的英文怎麼說

中文拼音 [qìdònglìrǎodòng]
氣動力擾動 英文
ad aerodynamic disturbance
  • 氣 : Ⅰ名詞1 （氣體） gas 2 （空氣） air 3 （氣息） breath 4 （自然界冷熱陰晴等現象） weather 5 （氣味...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 擾 : Ⅰ動詞1 （擾亂; 攪擾） harass; trouble 2 （客套話 因受人款待而表示客氣） trespass on sb s hospital...
  • 擾動 : excitation; turbulent motion; turbulence; destabilization; [物理學] perturbation motion; [地質學]...
  1. Moreover, addition movement of the airframe can result from aerodynamic or propulsion noise.

    此外氣動力或發動機擾動也會造成彈體的附加運動。
  2. Deng x g, zhuang f g, mao m l. on low mach number perfect gas flow calculations [ r ], aiaa paper 99 - 3317

    鄧小剛.粘性超聲速復雜氣動力干擾的數值模擬[ d ] : [博士學位論文] ，中國空氣動力研究與發展中心， 1991
  3. Experiment study of aerodynamic interactions of projectile with jet from its forebody

    彈丸前體噴流的氣動力干擾實驗研究
  4. Research on the aerodynamic interaction between the rotors and components of rotorcraft have been a very important aspect and a very challenging subject in rotorcraft aerodynamics

    旋翼干擾空氣動力學問題一直是旋翼飛行器空氣動力學的研究熱點和難點之一。
  5. Firstly, a representative wind and wave model, which could both simulate the main characteristics of wig over sea waves and be suitable for numerical calculation, is presented. the model completely considers the fully nonlinear effect of wave surface on the wavy air flow, separates the disturbance of wave surface from the wing - air wave interaction flow, and overcomes the numerical calculation difficulties due to the large difference of dimensions between wing and water waves

    首先針對機翼在風浪中的非定常非線性氣動力問題，提出了一個既能夠反映風浪場主要特徵又適合於數值計算的風浪場模型，該模型完整地考慮了波浪表面對氣流場的全非線性影響，使波面對流場的擾動分離出來，消除了機翼和波浪幾何尺度上的巨大差異帶來的數值計算上的困難。
  6. Three dimensional interaction flowfield over high - speed spinning projectile with lateral jets is numerically simulated in this dissertation firstly. complicated shocks wave patterns is analyzed. several factors concerned such as high - speed spinning, attack angle, base bleed and so on, are studied

    本文首次完成了高速旋轉彈丸側噴三維干擾湍流流場的數值模擬，分析了彈丸側噴流場復雜的波系結構，研究了高速旋轉、攻角、底噴等因素對彈丸側噴流場的影響規律，深入分析了旋轉側噴彈丸的空氣動力學特性。
  7. Although a dual - mode scramjet ' s configuration is simple and mainly consists of inlet, combustor and wake nozzle, its working process is complicated, especially in the combustor, involving a lot of subjects, including hypersonic aerodynamics, combustion chemistry, etc. the inner flow of a combustor is three - dimensional and complicated, including the interaction of shock wave, deflagration, vortex and boundary layer, and so on

    它涉及到高超聲速空氣動力學、燃燒化學、擴散傳質等多門學科；其內部的實際流動是復雜的三維流動過程，充滿著激波、膨脹波、燃燒波、各種渦系、附面層及其相互之間的干擾，因此，燃燒室問題是整個發動機研究的關鍵所在。
  8. The aerodynamic parameters are calculated under dynamic condition. according to the position and the posture of the bomb, the parameters are calculated every short interval until it leaves the interfere area

    本文採用了在動態條件下求解航彈氣動力的方法，每隔很短的一個時間間隔就根據彈體的位置和姿態重新計算其氣動力參數，直至航彈脫離機翼、機身的干擾區。
  9. It is difficult to replicate hinge moment accurately and rapidly because surplus torque affect dynamic performances of load simulator system badly with large intensity and continuous variation derived from variable velocity of rudder system

    這種干擾作用具有強度大、隨舵機速度不同連續變化的特點，它的存在嚴重影響了負載模擬器的動態性能，使得加載系統難以準確、快速地復現空氣動力鉸鏈力矩。
  10. The paper introduces the basic principle of the inducement type ventilation in the province of aerodynamics : disturbed characteristic of high - speed cascade can effectively leads quiescent air around it and drive air flow, compares and analyzes the traditional ventilation type and inducement ventilation type applied in underground garage in the facets of airflow organization, practicability and economy, coming to the conclusion that the inducement type ventilation is applied to the underground garage in the facets of economy, practicality and high efficiency

    摘要介紹了誘導式通風利用空氣動力學中高速噴流的擾動特性，能夠有效地誘導周圍靜止的空氣，帶動空氣流通的基本工作原理，就傳統通風方式和誘導通風方式，在地下車庫應用中的氣流組織、實用性、經濟性等幾個方面做了比較，分析認為，誘導式通風因其經濟、適用、高效的特性適合在地下車庫應用。
  11. On the basis of looking up a lot of referenced works, the phenomenon that lateral jet injected into the external air stream surrounding an intercepting missile is analyzed. the effects of jet interaction on forces and moments are described by interaction amplification factor, and the algorithm to calculate the interaction amplification factor is presented, then the motion model and the dynamics model of interceptor are established according to the previous analysis

    根據大量參考文獻的結論，分析了側向噴流射入攔截彈外流的流場特徵，以干擾放大因子來描述干擾效應對力和力矩的影響，給出了放大因子的計算方法，進一步建立了噴流側向力和空氣動力作用下的導彈運動學和動力學模型。
  12. According to earth - bound and space - bound observations, the black drop is confirmed to be a mere optical illusion caused by the earth s atmospheric turbulence and insufficient resolution of small telescopes

    根據世界各地及衛星的觀測，黑滴現象是由於地球大氣層的擾動及部分望遠鏡的解像力不足而產生的光學假象，並非由金星的大氣層造成。
  13. Along with development of tiltrotor vehicle ’ s research some theoretical productions have been appeared in some project ( aerodynamic behavior of rotor, kinetic behavior of rotor, rotor / wing aerodynamic interactions, etc. ). in order to carry on further research and experimentation of these project, national - defence science and technology helicopter rotor kinetic lab of our school begin to building tiltrotor model bench. base on need of this bench, this paper study / design pitch control system on it

    隨著對傾轉旋翼飛行器的深入研究，傾轉旋翼的氣動特性、動力學特性、旋翼/機身間的氣動干擾等課題方面已有一定的理論成果出現。為了對這些課題進行深入研究和試驗驗證，我校直升機旋翼動力學國防科技重點實驗室著手建造了傾轉旋翼模型實驗臺。
  14. The analysis of the results from the numerical simulation shows fairly good effect and it concludes the method can be effectively used to solve the different problems of the similar fields

    本文的主要工作是為對空載發射導彈提供發射初始彈道數據，重點和難點在於機?彈氣動干擾力的數值計算。
  15. This paper provides a powerful method for the compatibility design of aircraft with external store, a missile, by calculating fast, conveniently and effectively the relative trajectory and relative attitude of the store with respect to aircraft during the separation process

    此外，為了有效擊中目標，需要掌握投放初始階段外掛物姿態和運動軌跡數據。因此，研究機載發射過程中的彈機氣動干擾力，考慮其對導彈發射后的彈道模擬初始參數的影響十分必要。
  16. In this paper, the backward simulation was summarizd at home andabroad, the characteristics of shell nosing were introduced, the theory and scheme of backward simul - ation of shell nosing was constructed, the determined methods of the boundary conditions were put forward in backward simulation for the processes of shell nosing

    論述了推力矢量控制技術是提高空空導彈性能的核心技術，介紹了常用的三類推力矢量裝置，著重討論了燃氣舵式和擾流片式推矢裝置的特點、設計方法、性能及其優缺點.在此基礎上，研究了適用於氣動力/推力矢量復合控制的變結構控制系統及其開關函數的切換條件和飛行控制系統框圖.最後綜述了推力矢量裝置在第四代空空導彈上的應用情況
  17. This paper refers the figures and dates of some missiles in domestic and foreign, builds the aerodynamic date, engineer and rudders mathematic model, analyses the phenomenon of side jet interaction with external flow, builds a side jet model with append factor which conforms to the actual situation, and founds nonlinear mathematic model of this missile

    本文參考了國內外各型導彈的形狀和數據，建立了導彈空氣動力和力矩模型、發動機模型和作動器模型，並且研究了在側噴直接力控制時，側噴與外流場的干擾效應，建立了更加符合實際情況的帶有附加增益的側噴模型。
  18. Soling this problem can deblur the atmospheric turbulence - degraded image and improe the capability of object identification which is good for late stage works such as object feature extraction and recognition

    該問題的解決能夠克服大氣湍流擾動帶來的圖像降質和提高目標圖像的分辨能力，以便於后續的目標特徵提取和識別等處理。
  19. The accuracy of the parameters is improved by linking the aerodynamic calculation and ballistic calculation

    將氣動力的計算與彈道計算聯系起來，提高了在干擾流場下氣動力計算的精度。
  20. The unstructured meshes of the global flowfield are made. 3. the program to solve the six - freedom - of - degree dynamics equation and the kinematics equation of the missile are worked out

    由於非均勻流場的氣動力干擾作用，其氣動力與外掛物單獨飛行時有較大的不同，獲取分離過程中的氣動力數據是解決這一問題的關鍵和難點。
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