vortex time的例句大全

In this paper, the subsonic unsteady aerodynamic performance of a noncoplanar wing-tail combination can be computed on condition that the velocity potential function of unsteady vortex ring is taken as an elementary solution and the method of time history ( MTH) is used.

本文以非定常涡环速度势函数为基本解，应用时间历程方法，计算非共面机一尾翼组合体的非定常气动力性能。

Of particular significance to the theory in flow over bluff body and the experiment analysis methods was the definition of vortex shedding character dimension, which was first proposed by the researcher to analyze the time-dependent wake flow quantitatively.

首次提出旋涡脱落特征尺度来定量分析非稳态尾流，是一次意义重大的钝体绕流理论和实验分析方法上的创新。

Firstly, the characteristics of vortex signal at low flowrate are analyzed in time-domain and frequency-domain respectively. The source and representation of noise components are summarized.

通过对小流量时涡街信号进行时域和频域分析，总结有用信号、噪声的特征及形式。

According to distribution of pressure of blade surface at different time of outdoor units, it is shown that interaction between tip vortex and bellmouth is the major factor of unsteady fluctuation of blade surface and has large effect on discrete frequency noise of outdoor units.

室外机不同时刻叶片表面压力分布表明，叶尖涡与导风罩干涉是室外机中叶片表面非定常力脉动的主要原因，影响室外机离散频率噪声。

Based on this, the differences between the transient flow field and the time-averaged flow field and the characteristics of the vortex structures are analyzed.

在此基础上，分析了瞬时流场和时均化后的流场差别及旋涡结构特点；

Karman vortex in the time-averaged wake flow field wolves into a horseshoe-spoon-like three-dimensional structure.

卡门涡在尾迹平均流场中演化产生三维的类似于马蹄形-勺子形的流场结构。

The time-averaged velocity field of the wake and Karman vortex street flow field are considered as two kinds of the background flow field.

背景流场考虑为尾迹时间平均速度流场和Kármán涡街流场。

Vortex shedding and time mean pressure behind oscillating spoilers

振动扰流片旋涡脱落和时均压力实验研究

At the same time, the heat and mass balance of the small-scale solar absorption system which uses the dual chamber vortex generator is analyzed. A new generator model which has a tangential inlet is set up.

同时分析了采用本文所提出的双室涡旋发生器的小型太阳能吸收式制冷系统的热质平衡特性。

In order to investigate the effect of meso-scale topography on vortex self-organization, five numerical experiments, whose integral time is 72 hours, are performed using a f-plane quasi-geostrophic barotropic vorticity equation model with a topographic term.

用一个带有地形项的f平面准地转正压涡度方程，实施5组积分时间长度为72h的试验，研究了中尺度地形对涡旋自组织的影响。

the time lag effects of vortex behaviour during wing rock comparing with static condition was observed.

相对于静态而言翼摇滚过程中存在着旋涡特性的滞后效应；

Land of the Lost stars Will Ferreil as a scientist who is sucked into a space-time vortex and travels back to the age of the dinosaurs.

《失落的大陆》由威尔。法瑞尔领衔主演。作为一名科学家，他被吸进“时空”的漩涡，回到恐龙的年代。