您要查找的是不是:
- A numerical procedure is presented for computing the steady inviscid supersonic flow past forebody of an airplane. 本文提出了一种计算定常、无粘超音速绕前机身流场的数值方法。
- The special experimental setup was constructed for observing the mixing processes of two supersonic flow. 摘要为观察超声速混合过程,设计制造了专用的实验装置。
- The shadowgraph and a single pulsed fuel injection system were used to study diesel transversely injected into a subsonic and supersonic flow. 改造普通油嘴,采用单次高压燃油喷射系统和阴影照相,首次研究了柴油射流柱在亚、超声速气流中横向非定常喷射问题。
- A method has been presented for calculating the aerodynamic characteristics of grid fin in subsonic and supersonic flow. 本文提出了计算栅格翼亚、超音速气动特性的计算方法。
- The dielectric strength is increased.At third stage, the supersonic flow in noz zle has influence on the dielectric strength. 在第三阶段中,主喷口扩张区与喉部之间存在超音速流,影响介质恢复强度;
- Since supersonic phenomena seldom occur naturally, the first studies of supersonic flow and flight were related to artifacts, from shells to turbines, rockets, and aircraft. 由于自然界难得产生超音速现象,所以超音速流动和飞机的早期研究同炮弹,汽轮机,火箭和飞机等人工产品有关。
- The supersonic flow past a flat plate is calculated by using the DSMC method and the hybrid DSMC/EPSM method. The results show the effectiveness of the hybrid DSMC/EPSM method. 运用混合算法模拟马赫数等于4时超声速平板绕流,并与DSMC结果进行比较,证明了DSMC/EPSM混合算法的有效性。
- Comparing the data of no flow with that of a given supersonic flow, it is the defocus and astigmatism aber-ration that increase obviously with the supersonic flow. 比较无流场和给定参数的超声速流场,激光穿越后产生的最明显的像差变化为离焦和低阶像散的增大。
- The region marching method for supersonic flow and the time iteration method for N-S equations and space marching method for PNS equations were introduced. 介绍了超声速流场的分区推进求解技术、流动的时间迭代和超声速流动的空间推进求解方法。
- The principle of supersonic flow meter and its fea-tures are given in the paper .And the applications and progress-es of supersonic flow meter are introduced . 本文阐述了利用声波进行流量测量的原理及特点,并介绍了超声波流量计的应用及应用进展。
- Witcomb notes that "you could write lots of equations for subsonic flow and lots for supersonic flow, but for transonic flow things got so complicated that nobody could write any equations for it. 惠特科姆指出,“人们能够写出许多关于亚声速流动的方程,写出许多关于超声速流动的方程,但是,对于跨声速流动,由于情况极其复杂,当时还没有人能够写出有关跨声速流动的任何形式的方程。
- The supersonic flow past a vertical plate and a flat plate are caculated by using the DSMC method and the hybrid DSMC/EPSM method. The results show the effectiveness of the hybrid DSMC/EPSM method. 运用混合算法模拟了马赫数等于5时超音速竖板绕流及马赫数等于4时超音速平板绕流,并将结果与DSMC算法的结果进行比较,证明了DSMC/EPSM混合算法的有效性,同时将EPSM算法与DSMC算法的效率进行了比较。
- The flow visualization technique using shear-sensitive liquid crystal is applied to the investigation of a Mach 2 internal supersonic flow with pseudo-shock wave (PSW) in a pressure-vacuum supersonic wind tunnel. 在一个压力-真空超声速风洞中,剪切应力敏感液晶流动可视化技术被应用来研究方管内马赫数2拟似冲击波(pseudo shockwave)的超声速流动。
- The low supersonic nozzles can produce steady low supersonic flow field with satisfied quality, double the allowable angles of attack and blockage limits and fill in the gaps in Mach number-attack angle range. 低超声速喷管可以在大堵塞的实验条件下,形成稳定的低超声速流场,消除风洞在大堵塞度实验时的马赫数空白区,从而使风洞的允许实验迎角和堵塞度范围增加一倍,并且能确保流场达到使用指标。
- Numerical simulations of supersonic flows over open cavities with a store are reported in the paper. 数值模拟了有外挂物存在的开式空腔的超音速流动。
- The supersonic swirling separator achieves supersonic flow by virtue of the expansion cooling effect of nozzle, and forms swirling flow to carry out the separation of water and heavy hydrocarbon. 超声速旋流分离器依靠喷管膨胀形成低温超声速流动,依靠超声速翼形成旋流实现水及重烃分离。
- Combustion with releasing heat effectively in supersonic flow is one of the most important, as well as the most difficult, technologies in researching and developing supersonic combustion ramjet. 本文针对超燃冲压发动机推进系统,发展了用于超音速燃烧的计算程序,用来进行碳氢燃料剪切流动过程超燃流场的数值模拟。
- At last, numerical simulation of subsonic, transonic and supersonic flow fields of nozzle are calculated.This method overcomes deflects of three-dimensional method of characteristics. 最后,对整个喷管的亚、跨和超音速对称和非对称流场进行模拟,克服了三维定常特征线法不能求解亚、跨音速的缺陷。
- Results show that the bubble element can well simulate the subsonic, transonic and supersonic flow problems, and it has excellent stability, convergence and unsteady flow prediction capacity. 计算表明,气泡单元具有良好的亚、跨、超音速流模拟能力,能准确捕捉激波,具有良好的稳定性、收敛性和非定常流动预测能力。
- numerical solution for inviscid supersonic flow 超声速无粘绕流数值解