nozzle area ratio meaning in Chinese

喷管面积比
喷嘴面积比

And the affect of nozzle pressure ratio , nozzle area ratio and geometric defected angle on the performance parameters is also investigated . 4
研究了影响矢量喷管性能的因素，研究了压比、面积比以及几何偏角对矢量喷管性能的影响。
More than 200 different condition 3d viscosity steady flow fields in the thrust vectoring nozzle at different nozzle pressure ratio and different nozzle area ratio and different geometric defected angle is calculated by the program developed . and the related performance parameters are acquired by numerical simulation
利用该程序计算了某矢量喷管在不同的压比、面积比和几何偏转角下的200多种三维有粘流场，获得了矢量喷管的性能数据。
Cfd is also used to get the data of performance parameters of the nozzle at different nozzle pressure ratio , different nozzle area ratio and different geometric defected angle . the theory of function approximation is used to establish the transient model of thrust vectoring with the data calculated
本文通过cfd计算获得矢量喷管的性能参数，如流量系数、推力系数以及有效推力矢量角等与矢量喷管压比、面积比以及几何偏转角之间的关系数据，并利用函数逼近理论建立了矢量喷管的动态数学模型。