In a reversal of current design trends the MIT concept increases the bypass ratio by minimizing expansion of the overall diameter of the engine and shrinking the diameter of the jet exhaust instead.
与现行设计趋势相反，麻省的概念通过最小化发动机总体直径的尺度以及相应缩小喷气排放直径来增加涵道比。
The inlet pressure of the jet pump can also be obtained by the pressure ratio, and it can be used for acquiring the productivity curve of an oil well.
这样，就可以计算出诊断喷射泵井工况所需要的压力比，流量比和泵效等工况参数，泵吸入口压力还可用来计算油井的产能曲线。
The process of jet mixing in the reactor was studied with tracer technique and the effects of the opening structure on the wall of the feed ring and the momentum ratio to the jet mixing were analyzed.
文中采用示踪法研究了四氯化钛氧化反应器内径向射流混合特征，探讨了射流环开孔结构和动量比等因素对射流混合效果的影响。
On the basis of analysing the experiments of atomized jet vacuum pump. it puts forward an empirical optimized working pressure formular for a definite area ratio in.
在分析液气射流泵的试验报告基础上，给出每一确定面积比的最优工作压力的经验表达式。
The mixing ratio of coaxial jets increases comparatively because of the synthetic jet actuators, and the mixing effects in coaxial jets also become more agreeable.
合成射流激励器的采用可使共轴射流截面掺混率比未加激励时 得到增加，增强了共轴射流的掺混效果。
But this effect of the main flow to the flow inside the hot jet tube disappears after the velocity ratio become larger than 0 05.
在射流管内，低流速比时存在有紊动区，当流速比大于0 0 5以后，射流管内温度已不受主流的影响。
Compared with the single-nozzle jet aerator, the variations of the entrainment ratio and efficiency with pressure ratio for quad-nozzle jet aerator are remarkable.
相对于单喷嘴射流器，四喷嘴射流器的流量比和效率随压力比的变化显著；
Results show that the effects of incoming Mach number and the nozzle geometry are pronounced, while the jet-momentum ratio has little affects on the gains defined here.
结果表明，马赫数和喷口布局对增益特性均有显著影响，但本文定义的增益因子却基本与动量比无关。
An image analysis method has been applied to study the effect of pulp ratio and the kind of fillers on printing quality of ink-jet printing paper.
利用图像分析方法研究浆料配比和填料的种类对喷墨打印纸的打印质量的影响。
The treatment can be used to describe the effect of cross angle and density ratio on the axial velocity decay in fully developed jet flow.
该法可较好地描述射流交叉角度、密度比对轴线上轴向速度的影响。
The time scale is obtained through the self correlation coefficient of the sound wave. It is clear that the time scale is inverse ratio to the jet velocity under the same gas velocity.
通过自相关系数测量火焰涡团的特征反应时间，结果表明：相同的燃气流量下，特征反应时间与射流速度成反比；
In the study of flow oscillation and discrete frequency noise of impinging jet, it is found that there is a critical pressure ratio for a given nozzle and a nozzle-to-plate distance.
为探索冲击射流离散频率噪声的产生机理，系统地研究了冲击射流离散频率噪声的特性。
In the model the exit area ratio, solid particle mass ratio, fuel enthalpy of combustion, jet gas molecular weight, chamber stagnation temperature, flight Math number etc. have been considered.
在该模型中考虑了底排出口面积比，排气固相颗粒质量比，燃料热值，燃气分子量，燃烧室总温，飞行马赫数等因素。
The jet trajectory distances estimated from the ratio of damping are very close to the testing result.
应用所得消能率估算挑距与模型实验结果基本符合。
The performance of steam-jet vacuum pump was investigated by changing the ratio of secondary to primary throat area, relative position of the steam nozzle and the taper of the mixing section.
计算并分析了第二喉管与工作蒸汽喷嘴喉管面积比、喷嘴出口截面与混合段入口截面间的距离等几何参数对喷射器操作性能的影响。
To study the effect of the intensity of the opposing jet more appropriately, a new parameter RPA is defined by combining the flux and the total pressure ratio.
这说明该参数可用于表征喷流强度，用以分析喷流对流场及传热量的影响。
If also use Optional Vector Thrust System, is over 1:1 Thrust Ratio, The Vector Thrust Jet Can Perform Any 3d and Hovering Fly!
也可以选用矢量系统和推力超过1：1的比例，矢量推力可以执行任何三维及悬停飞行！
If also use Optional Vector Thrust System, is over 1:1 Thrust Ratio, The Vector Thrust Jet Can Perform Any 3d and Hovering Fly!
也可以选用矢量系统和推力超过1：1的比例，矢量推力可以执行任何三维及悬停飞行！
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