发卡涡,hairpin vortex
1)hairpin vortex发卡涡
1.The sweep down flow and “contra-hairpin vortex” in a turbulent boundary layer;湍流边界层中下扫流与“反发卡涡”
2.Mechanism of the large scale low-speed streaks (>20δ) found in logarithmic layer is experimentally investigated, by inducing a single synthetichairpin vortex into turbulent boundary layers.本文工作的主要目的是,通过向湍流边界层中引入单一人造发卡涡,对在湍流边界层中对数律区的大尺度低速条纹结构(>20δ)的产生机理进行探讨。
英文短句/例句
1.Effect of Induced Hairpin Vortex on Structures in Turbulent Boundary Layers人造发卡涡对湍流边界层相干结构的影响
2.There are horse shoe vortex around spur dikes and Karman vortices behind spur dikes.发现在丁坝的上游会形成马蹄涡 ,在丁坝的背风面会形成卡门涡 .
3.An analysis of the stability of Karman vortex street configurations关于卡门涡街形状稳定性的一点分析
4.turbo-ram rocket engine涡轮冲压式火箭发动机
5.centrifugal-flow jet engine离心式涡轮喷气发动机
6.axial flow turbojet轴流式涡轮喷气发动机
7.general aviation turbine engine通用航空涡轮发动机
8.direct-connected turbo-generator直接驱动式涡轮发电机
9.cross-compound turbine-generator交叉复式涡轮发电机
10.double-compound turbo jet双轴涡轮喷气发动机
11.supercharged turboprop增压涡轮螺旋浆发动机
12.turbo-compound aero-engine涡轮活塞式混合发动机
13.gas turbo-alternator燃气涡轮交流发电机
14.turbo charter for diesel generator柴油发电机涡轮增压器
15.mud driven turbine-alternator泥浆驱动的涡轮发电机
16.turboprop performance涡轮螺桨发动机性能
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18.geared turbogenerator齿轮传动涡轮发电机组
相关短句/例句
Karman Street卡曼涡街
3)Kaman-vortex卡曼旋涡
4)Kamen vortex卡门旋涡
5)Karman vortex street卡门涡街
1.The emission frequency of theKarman vortex street occurred in series from the blades and tongue is varing with the running condition.将流程泵叶轮叶片和压水室的隔舌看作旋涡发生体,在不同运行工况下在叶片后缘以及隔舌两侧串联发生的卡门涡街的发射频率是不同的。
2.The stability of theKarman vortex street verified by using point-vortex model when perturbed infinitesimally is however a “slow instability”as shown by the simulation when the street is to be perturbed by finite disturbances.经典的卡门涡街点涡模型只在一孤立情况下是线性稳定的。
3.When the cylinder impulsively starts from rest, the early stage flow, flow seperation process and vortex generation, the unsteady evolution of vortex street and the wake flow with bine progress are numerically sedated in detail in this paper, including the generation of symmetric vortex, the α-phenomenon as a result of secondary vortex andKarman vortex street.本文应用有限差分方法求解涡量－流函数形式的Ｎ－Ｓ方程，数值模拟了圆柱瞬时起动后流动分离，旋涡生成、脱落以及随时间推进涡街产生和长期非定常演化过程，包括对称涡的生成，二次涡形成的α结构及卡门涡街等。
6)Kármán vortex street卡门涡列
延伸阅读
发卡妇女用来别头发的卡子。
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