mach angle
英 [mɑːk ˈæŋɡl]
美 [mɑːk ˈæŋɡl]
网络 马赫角
双语例句
- When there is one trim angle of attack, there probably exists a critical Mach number M_ ( cr).
当有一个平衡迎角时，可能有一临界Mach数Mcr，当M∞>Mcr时，平衡迎角处是动稳定的； - The correlated data are used for diffusion factors from 0 to 1 0 and Mach numbers from 0 to 1 6.The compression work or the total pressure ratio of a compressor is determined through the use of cascade element performance data concerning deviation angle.
所用数据适用于扩散因子大于0小于1，而马赫数在0到1.6之间的情况。压气机的加功量或增压比由其基元叶栅的落后角确定。 - In this paper, the Mach number control system in NF-6 wind tunnel is introduced, especially in detail for the compressor rotary speed control sub-system, the compressor stator vane control sub-system and the second throat control sub-system. angle.
笔者介绍了NF6风洞马赫数控制系统的组成、特点及运行方式，对转速控制子系统、压缩机静叶角控制子系统、二喉道栅指控制子系统等进行了较为详细的介绍。 - The results presented by this model agree well with those of solving unsteady Euler equations. This model greatly reduces the limitations of the classical piston theory on flight Mach number, airfoil thickness, and angle of attack.
通过与非定常Euler方程的比较，证明该气动力模型具有较高的数值精度，放宽了原始活塞理论对翼型厚度、迎角、马赫数的限制。 - When incident angle is more little than critical value, along wall develop-ment stem wave appear half wave period structure and model Mach stalk affect.
在入射波系的人射用小于某一临界值时，沿墙发展的Stem波呈现着半波周期型地稳定发展和推进，形成了较为典型的Mach茎效应。 - Base pressure models were analyzed and main factors influencing base pressure were found, i.e. pressure and Mach number at plug exit, plug exit angle and secondary mass flow rate.
为了工程计算的需要，首先分析了已有的底部压强计算模型，找出了影响底部压强的主要因素，即塞锥出口截面的压强、马赫数，塞锥出口倾角和底部二次流流率； - It is shown that the results of dynamic derivatives in pitch, yaw and roll depend nonlinearly on Mach number and angle of attack, and the effect of reduced frequency is very small.
试验所得的阻尼导数包括俯仰、偏航、滚转及滚转引起的偏航动导数随马赫数和攻角的变化表现出明显的非线性，而减缩频率的影响并不显著。 - The biggest lift drag ratio 3.36 considering viscous effects is obtained at Mach 6 when a proper base conical shock wave angle is chosen.
在设计点附近选取合适的半基准圆锥激波角并考虑粘性影响时，可得到乘波体最大升阻比为3.36； - Plane cascade tests were carried out for the cascade under four inlet flow angles and three outlet isentropic Mach numbers, and the important parameters such as surface pressure on blade, outlet flow angle and cascade losses were measured.
对喷嘴叶栅进行了四个进口气流角、三个出口等熵马赫数条件下的平面叶栅吹风试验，测取了型面压力分布、出口气流角以及叶栅损失等重要气动特性参数。 - The main factor that determines the shock shock angle and the pressure behind the Mach stem is also analysed here.
论文也分析了影响Χ角和Mach杆后压力的主要因素。 - Considering the variation of the Mach number and the incident angle, the model can actually reflect the operating condition of the high-speed fan/ compressor, and enhance the ability of predicting the fan/ compressor off-design performance.
该双激波模型考虑了来流马赫数和攻角变化，较真实地反映了高马赫数风扇/压气机的实际工作状况，扩展预测风扇/压气机非设计点性能的能力。 - The boundary layer edge conditions and the resistance and lift force coefficient in different Mach number and different angle of attack are worked out. Results of the method are in good agreement with the aerodynamics rules.
从而得到了边界层的外缘参数，计算出了弹丸在不同马赫数和不同攻角下的阻力系数和升力系数，分析结果符合空气动力学的基本规律。 - In this document, are discussed the effects of mach number, angle of attack, pitch and side bank angle speeds and blade azimuth position on the airflow stall boundary of articulated rotor of helicopter, and are obtained the formulae for determination of airflow stall boundary.
本文分析了直升机铰接式旋翼气流失速边界受马赫数、攻角、俯仰和侧倾角速度、桨叶方位角位置的影响，得出了确定气流失速边界的公式。 - The numerical results show that the diffuser meets the design requirements on exit Mach number, total pressure coefficient and exit angle.
数值计算结果表明，出口马赫数、总压恢复系数和出气角均达到了设计要求。 - The designed fixing angle, surface pressure of blade under varing working conditions, the iso-entropy Mach number and the variation of waves structure with air intake's flow angle are obtained through experiments.
实验测量得到了设计安装角及变工况下叶片表面压力、叶片表面等熵马赫教及波系结构随叶栅进口气流角的变化，并对叶栅内部及出口流场进行了纹影照相。 - It presents the influences of ejection parameter, freestream Mach number, boattail angle and length of model, geometric size of jet hole, as well as model rotary speed on drag reduction rate.
给出喷射参数、来流M数、模型船尾角、船尾长、排气口直径、模型转速等参数对底排减阻率的影响。 - New Derivation of Relationship between Mach Angle and Mach Number
马赫角与马赫数关系的点源推导法 - The numerical results of supersonic inlet show that the complex wave structures achieved by numerical simulation are reasonable, and the far-field Mach number and the angle of attack affect the inlet performance obviously.
对超音速进气道数值模拟结果显示，得到的流场复杂波系结构是合理的，来流马赫数和攻角变化显著影响着进气道性能。 - Steady flow fields are also calculated to analyze flow field structure for the same cascade with different inlet Mach numbers and incidence angle.
对于同一叶栅进行了定常流场的计算与分析，比较了平面叶栅在不同进口马赫数、不同攻角下的定常流场。 - This method is applied to the aerodynamic optimization design of airfoil, defining the lift-drag ratio as the goal function, when Mach number is 0. 7 and the angle of attack is 3 °.
用此方法进行了翼型的气动优化设计，目标函数为来流马赫数为0.7、攻角为3°时升阻比最大。 - Secondly, the effects of initial temperatures, initial pressure, incoming flow Mach number and incoming flow deflection angle on the detonation wave structure were investigated.
其次，考察了初始来流温度、初始压力、来流Mach数和来流偏折角对流场特性和爆轰波结构的影响。 - A simple device, that can form continuously changed Mach number flow only by adjusting the wedge angle, was designed availing the theory of shock wave reflection.
利用消波反射波系的基本原理，设计了一种只需要调节楔板角度就可以实现马赫数连续变化。 - Secondly, with Model A as a base, the performance of inlets with sidewalls on different locations ( degree of sidewall shade) under different Mach number and sideslip angle were studied.
其次，选取了ModelA作为基准进气道，就不同侧板位置（即侧板遮挡度）进气道在不同马赫数以及不同侧滑角飞行条件下的性能展开了研究。 - The ballistic flight used gliding flight is a way to increase the range of rocket, but because of the constraint conditions included the flight Mach number, running time of engines and the angle of emission, make the ballistic characteristics of ballistic flight become very complex.
采用滑翔弹道飞行是一种增加火箭弹射程的方法，但由于受到飞行马赫数、发动机工作时间和发射角度等条件的约束，使得滑翔弹道的弹道特性变得很复杂。