1) sonic flow
音速流动，音速流，声流
2) subsonic flow
亚音速流动
1.
The four control orifices of upstream side and down stream side of the pneumatic servovalve at neutral position are subsonic flow when the supply pressure is less than 0.
2374MPa时,零位时的上游两个供气节流口和下游两个排气节流口均为亚音速流动;供气压力等于0。
3) supersonic flow
超音速流动
1.
Numerical simulation on lateral jet interaction in supersonic flows;
超音速流动中侧向喷流干扰特性的数值模拟
2.
Experimental investigation of the lateral jet interaction have been performed in supersonic flows to study the effects of jet pressures, angle of attacks, leeward side jet or windward side jet on the jet interaction characteristics.
在超音速流动中,进行了侧向喷流干扰特性的实验研究,研究了喷流压力、攻角、迎风侧及背风侧喷流对侧向喷流干扰特性的影响。
3.
In order to guarantee the convergence of the design in supersonic flow, Takanashi method could be modified by introducing some upwind based operator to the governing equation in hyperbolic parts.
以Takanashi提出的“正反迭代、余量修正”的原理为基础 ,针对其当机翼上表面存在较强的超音速流动时 ,解的收敛性不好的问题 ,对Takanashi方法进行改进 。
4) transonic flow
跨音速流动
1.
Application of all\|speed algorithm in turbulent transonic flows calculations;
全速解法在湍流跨音速流动中的应用
2.
Using the improved method we studied inviscid and viscous transonic flow in turbomachinery based on Euler and Navier Stokes equations.
计算结果表明，本方法是透平机械内部跨音速流动计算的强有力的手段。
3.
A transonic flow mathematic model based on standard k-εturbulence model was proposed to investigate the mixing flow behaviors of primary and secondary fluid in steam ejector.
为研究水蒸气喷射泵内部工作蒸汽与被抽气体的流动和混合行为,基于标准k-ε模型,建立了描述跨音速流动的数学模型。
5) subsonic flow
亚声速流，亚音速流
6) supersonic flow
超音速流
1.
Optimization of parameters in the shock wave system of the regular reflection for supersonic flow;
超音速流在正规反射激波系后的参数优化特性
2.
Based on the Krmn_Donnell theory of thin shells,the first order piston theory in aerodynamics and the Boltzmann superposition principles in viscoelasticity,a mathematical model of viscoelastic cylindrical shells in supersonic flow is set up.
基于薄壳的Krmn_Donnell假设、空气动力学中的一阶活塞理论和粘弹性力学中的Boltzmann叠加原理 ,给出了超音速流动中粘弹性圆柱壳的数学模型。
3.
To do that, the extended-SIMPLE algorithm(considering density-correction) is used in the range of all Mach numbers, especially for supersonic flows.
在研究过程中，将扩展SIMPLE算法(考虑密度修正)应用到全马赫数范围内、尤其是超音速流动中，计算中对激波处理采用了激波捕捉方法。
补充资料：“海盗“双发双座亚音速低空攻击机
Image:11727525629328069.jpg
“海盗“双发双座亚音速低空攻击机
“海盗”攻击机安装两台罗.罗公司的rb.168—1a“斯贝”101型涡轮风扇喷气发动机，进气口呈竖椭圆形。在尾喷口之后的机身尾锥，是一个蛤壳状开闭的减速板，上方是t形尾翼。其垂直尾翼前方有一根背脊与气泡双座座舱盖连成一线。机头是雷达罩锥体和一个空中加油杆。机身内部有一个放置式弹舱，可携带4颗454千克炸弹，两侧的后掠梯形中单翼下面，另有4个挂架，可挂炸弹、火箭、导弹或副油箱。
“海盗”有三大改型：“海盗”s.mk. ⅰ 舰载攻击机，“海盗” s.mk. ⅱ （ⅱa、ⅱb）、“海盗”s.mk. 50 出口南非的陆基型攻击机。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。