亚音速

yà yīn sù
  • subsonic speed
亚音速亚音速
  1. CK-1飞机带翼梢小翼的亚音速升阻特性分析

    An Analysis of the Lift and Drag Effciency for the CK-1 Aircraft with Winglets at Subsonic Speed

  2. 他们以亚音速作高速飞行。

    They had flown at a high subsonic speed .

  3. 这比大多数亚音速飞机的飞行高度高20,000英尺。

    This is 20,000 feet higher than most subsonic airliners .

  4. 亚音速运转连续波COIL输出功率的经验公式

    The formula for estimating the output power of subsonic COIL

  5. 即使中国地区亚音速飞机排放的NOx增加一倍,这个影响仍然比较小。

    When subsonic aircraft NOX emission over China is doubled , its influence is still relatively small .

  6. 亚音速火焰喷涂Y2O3-HA生物涂层的研究

    Study on Subsonic Flame Sprayed Coating of Y_2O_3-HA

  7. 比音速稍慢的n.亚音速飞机

    flying at less than the speed of sound

  8. 由于中国地区亚音速飞机排放的NOx造成的NOx的增加不超过10pptv,而且臭氧增加小于0.4ppbv。

    The NOX increases by less than 10 pptv by virtue of subsonic aircraft NOX emission over China , and ozone changes less than 0.4 ppbv .

  9. CARET进气道亚音速气动特性研究

    Studies of a Caret Inlet at Subsonic Speeds

  10. 计算亚音速偏转操纵面机翼升力分布的ALGOL-60源程序

    The ALGOL Program for Calculating the Lift Distribution on Wings with Control Surface in Subsonic Flow

  11. 本方法是基于对FW-H方程的准确求解,并限制螺旋桨叶尖相对速度为亚音速。

    The blade tip speed is limited to subsonic . The formulation is based on the FW-H equation .

  12. 根据2000年亚音速飞机排放的NOx,利用三维全球化学输送模式(OSLOCTM2)研究亚音速飞机排放的NOx对中国地区NOx和臭氧的影响。

    A three-dimensional global chemistry transport model ( OSLO CTM2 ) is used to investigate the impact of subsonic aircraft NOZ emission on NOX and ozone over China in terms of a year 2000 scenario of subsonic aircraft NOX emission .

  13. 一是通过创造性地仿照亚音速客机机身布局方法,提出适用于SSA的机身布局方法,推出SSA乘客总数对机身布局的要求。

    At first , a fuselage arrangement technique applicable to SSA was derived from imitating subsonic airliner fuselage arrangement method in a creative way . The demand of the passenger total to fuselage arrangement was indicated .

  14. 采用亚音速偶极子格网法计算非定常气动力,用状态空间法计算翼面颤振速度,利用最佳控制理论进行最优控制设计,结构固有振动用谱变换Lanczos方法求得。

    The optimal control theory is introduced to design the control law . Natural vibration modes are obtained by spectral transformation Lanczos method . The FEM is used to simulate the wing structure .

  15. 针对开敞空间可燃气云爆燃(简称为UVCES)过程所产生的爆燃波为亚音速传播特点,对开敞空间可燃气云爆燃场进行数学求解。

    Aiming at the characteristic of deflagration wave occurring in course of UVCES transfers at a speed of sub sound , qualitative solution was gained .

  16. 模型发散动压的计算是利用NASTRAN的柔度法和自行开发程序的模态法进行的,两种方法均采用亚音速偶极子格网法气动力理论的定常部分进行气动力的计算。

    The divergence pressures of these models were calculated by the flexibility method of MSC / NASTRAN and the mode method developed by the authors , while the steady aerodynamics of the subsonic Doublet Lattice method is used for aerodynamic calculation in both the methods .

  17. 结合该流场计算方法,本文发展了一个新的基于FWH和Kirchhoff方程的直升机旋翼气动噪声的计算方法和模型。该模型可适合于直升机亚音速至跨音速状态的旋翼气动噪声计算。

    Then , a new model for the calculation of helicopter rotor aerodynamic noise is established based on the FWH and Kirchhoff equations , which is suitable for the calculations of subsonic and transonic rotor aerodynamic noise .

  18. 第二部分考虑了一维粘性单极定态QHD模型,在亚音速和一般的边界条件下,得到了强解的存在唯一性。

    In the second part , the steady-state viscous quantum hydrodynamic model in the one-dimensional space is studied . The existence and uniqueness of strong solutions with general boundary conditions is obtained under a " subsonic " condition .

  19. 亚音速飞机压力分布测量

    In flight measurement of static pressure on a subsonic transport aircraft

  20. 亚音速、跨音速轴流压气机叶栅尾迹特性的研究&平均流动模型

    Investigations of wake-characteristics of cascade of subsonic and transonic axial-flow compressor

  21. 亚音速风洞三元机翼升力洞壁干扰修正的数值计算方法&涡格法

    Vortex Lattice Method for the Calculation of Wind Tunnel Boundary Corrections

  22. 自由流紊流度对亚音速扩压器性能的影响

    Effects of free - stream turbulence on performance of subsonic diffuser

  23. 基于遗传算法的负弯度翼型亚音速多点设计

    Subsonic Multi-point Design of A Reflex Foil Based on Genetic Algorithm

  24. 亚音速气体喷射器的性能分析及其计算方法

    Analysis of Character and Calculating Method Concerning Subsonic Air Ejector

  25. 亚音速飞行器进气道内通道设计及性能计算

    Design and calculation of performance of a subsonic inlet duct

  26. 一种高亚音速弹用S弯进气道设计及其特性

    Design and Performance of S-shaped Inlet for High Subsonic Missiles

  27. 具有瞬变失速流态的亚音速扩压器性能预测方法

    A prediction method for transitory stall flows of subsonic diffuser

  28. 亚音速飞机排放物对地面紫外辐射的影响

    The Effect of Subsonic Aircraft Emission on UV Radiation at the Surface

  29. 机载布撒器翼身组合体亚音速气动特性计算

    Aerodynamic characteristics calculation of airborne dispenser wing body combinations in subsonic flow

  30. 亚音速-音速文丘里智能流量计

    The Intelligent Venturi Flowmeter with Subsonic Speed and Sonic Speed