查询词典 numerically

The computational fluid dynamics method is used to simulate numerically the two phase flow of gas and liquid in a demister with corrugated baffle. The demisting efficiency and pressure drop under various droplet diameters, gas velocities and plate spacings are provided. The effects of main design parameters on the demisting efficiency and pressure drop are analyzed.

用计算流体力学方法对波纹板除雾器内的气液两相流动进行了数值模拟，计算得到了不同液滴直径、进气速度与叶片间距下除雾器的除雾效率和压降，并分析总结了各参数对除雾效率和压降的影响规律。

On one hand, the optimal set membership state estimation algorithm by ellipsoids for linear systems is improved, and two numerically stable suboptimal algorithms are proposed.

一方面，对线性系统最优椭球集员滤波算法进行了改进，给出了两种数值稳定性比较好的次优算法。

The square root non-optimal algorithm can keep the shape-defining matrixes of the ellipsoids positive definite, so it is also numerically stable.

平方根非最优椭球集员滤波算法能使椭球形状矩阵保持正定性，因而它也具有较好的数值稳定性。

The transonic flutter characteristics are investigated for several wings, empennage and wing-body configuration, flutter critical speeds are numerically simulated.

以ONERA M6机翼和无后掠矩形机翼为算例，分别对它们的跨音速定常和非定常粘性绕流进行了数值模拟，计算结果和有关文献的结果进行了比较，吻合较好。

The mechanical behavior of ERF flowing in two parallel plane electrodes gap was studied and calculated numerically.

对ERF流体在极板间的流动规律进行了理论分析，并采用计算流体力学方法，对其在极板间的流动规律进行了计算机数字仿真的分析研究。

An investigation of propagation of hydrogen-oxygen mixture's detonation wave entering an abrupt expansion pipe was carried out experimentally and numerically.

对爆轰波进入不可燃突扩管道后的传播规律及压力分布进行实验研究、数值模拟和理论分析。

Numerically controlled engraving machine is a type of typical mechatronic product, which could be used for 3D graph or characters manufacture and have been using widely in the field of touring souvenirs, mark tablets, insignias and molds.

数字控制雕刻机是一种典型的机电一体化产品，可用于三维图形和文字的加工，在旅游纪念品、标牌、徽章、模具制作等行业中得到了广泛的应用，具有比较广阔的市场前景。

Opinion: Whilst Taiwan had enjoyed technological and pilot training advantage over the numerically superior Chinese air forces for many years, this edge has eroded and reversed in recent years with the advent of large numbers of Flankers and J-10 fighters, as well as the almost unnoticed evolution of the underrated J-8-II into a potent modern fighter.

观点：虽然台湾一直享有技术和飞行员培训的优势数值优于中国空军多年来，这一优势已经削弱和扭转近年来，随着大批Flankers和J - 10战斗机，以及近注意演变低估的J - 8 -二成一个强大的现代化的战斗机。

The flow-field around a hemisphere and a flat-nosed cylinder in the shock tube is simulated numerically by using non-equilibrium Navier-Stokes equations with an air chemical model of 5 species 17 reactions, and the catalytic rate constant of surface materials such as Pt, SIC:, Ni and a flight vehicle materials is determined by using the heat transfer rate of testing in the shock tube and the distribution of heat transfer rate along with the catalytic rate constants.

用5组分17个化学反应Durm-Kang空气化学模型和轴对称热化学非平衡Navier-Stokes方程，对激波管中球头和平头圆柱模型绕流流场进行了数值模拟，给出了驻点热流随催化速率常数变化的分布，并根据激波管实验测量的热流值确定了表面材料Pt、SiO2、Ni和某种飞船材料的催化速率常数，建立了数值分析高焓流动边界层催化特性的软件。

According to the principle and characteristic of the formation of standing wave, the authors have developed a standing wave demonstration tube, which consists of loudspeaker, sonic focusing vessel, organic glass and a little liquid driven by the high power DDS signal. The frequency and phase of the highly stabilized signal, which is produced by MCU, DDS, LPF, can be numerically adjusted.

根据驻波形成的原理及其特点，利用MCU，DDS，LPF等产生频率和相位可数控调节、频率稳定性较好的大功率DDS信号源，使用该功率信号驱动由扬声器、声波汇聚器、有机玻璃管和少量液体组成的驻波演示管。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。