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- nozzle inlet Mach number 喷管进口气流马赫数
- And this investigation has predicted the possibility of bending flutter at high subsonic inlet Mach number and low negative incidence. 本研究还预测到在高亚音进口M数,低负攻角条件下出现弯曲颤振的可能。
- The results indicate that the inlet Mach number and incidence have significant effects on the starting and ending positions of the viscous flow transition. 结果表明:来流马赫数和冲角对转捩起始点和结束点的位置,即转捩所占区域的大小有重要影响。
- The Effect of Inlet Mach Number to Stability Analysis in Compressible Boundary Layers of Blade Cascade Suction Surface 来流马赫数对叶栅吸力面可压边界层稳定性影响研究
- inlet Mach number 进口马赫数
- On basis of the modeling results, the effects of Mach number, attack angle and ramp angle on the inlet performance are analyzed. 根据此数学模型,分析了攻角和进口气流马赫数对进气道性能的影响,同时给出了斜板对进气道性能的影响。
- The model inputs include the fuel flow, the nozzle area, the altitude and Mach number, and model outputs include the rotor speed, the temperature and the air pressure. 模型的输入量包括燃油流量、喷口面积、高度及马赫数,输出量则包括高、低压转子的转速及各截面的温度和压力。
- When the serpentine inlet is running at the exit Mach number Ma(subscript e)=0.45, the total pressure recovery coefficient equals 0.90, and synthesis distortion equals 13.85%. 本研究的蛇形进气道在出口马赫数为0.;45时,总压恢复系数为0
- The critical length of the powder flow tube for the equal dliameter nozzle is determined by Mach Number check method and factors affecting the clogging of powder flow discussed by calculation of the numerical values. 采用马赫数检验法确定等直径管中气粉流的临界管长,并通过数值计算结果讨论各种因素对气粉流壅塞现象的影响。
- Influence of Mach Number on Tornado Corner Flow Dynamics. 数对龙卷角流动力学的影响。
- The computational results show that the thrust-vectoring angle is dependent on the freestream Mach number, nozzle pressure ratio(NPR), the position of the injection and secondary pressure ratio(SPR). 对时间的积分采用的是隐式近似因子分解法。 文中计算了外流马赫数、喷管压强比、次流总压与主流总压之比以及次流喷口位于不同位置时的矢量偏角的产生情况。
- The main flow is approximately dependent only on Mach number. 主流仍然近似地只同马赫数有关。
- It shows the indicated airspeed and the Mach number. 它显示了飞行速度和马赫数。
- The method for the unstart Mach number is described. 本文还提出了一种确定不起动马赫数的方法。
- At different attack angles, Mach numbers and ramp angles, the numerical calculations of inner and external flow field are performed for an adjustable mixed compression inlet. 摘要对某可调混压进气道在不同攻角、不同马赫数、不同斜板角度下进行了大量的数值计算。
- The relevance functions between total pressure recover coefficient and the parameters( Mach number, angle of attack, flow coefficient, angle of sideslip) for subsonic submerged inlet in turbojet and turbofan engine were investigated. 摘要根据某埋入式进气道试验数据建立了计算埋入式亚声速进气道总压恢复系数的经验公式,表现为关于马赫数、量系数、角、滑角的函数。
- An investigation on the ventral diverterless high offset S-shaped inlet is carried out at Mach numbers from 0. 针对腹下无隔道大偏距跨声速S弯进气道开展了高速吹风实验研究,并对得到的图谱和曲线进行了分析。
- The relevance functions between total pressure recover coefficient and the parameters (Mach number, angle of attack, flow coefficient, angle of sideslip) for subsonic submerged inlet in turbojet and turbofan engine were investigated. 摘要根据某埋入式进气道试验数据建立了计算埋入式亚声速进气道总压恢复系数的经验公式,表现为关于马赫数、流量系数、攻角、侧滑角的函数。
- An aircraft instrument that indicates speed in Mach numbers. 马赫表装于飞机上的一种以马赫数来显示速度的仪器
- For several given types of inlet boundary layer, a numerical investigation on flow field of bowed stator vanes under two inlet subsonic Mach numbers was carried out. 摘要给定不同型式的进口边界层,在两种不同亚音速条件下对一平面扩压静叶栅的弯叶片流场进行了数值模拟。