1) back vortex
背涡
1.
It is found that in swept cylinder/plate and swept wing/plate conditions there exists a new kind of 3 D steady vortex system back vortex, wh.
研究发现后掠圆柱及后掠机翼在一定条件下存在一类既不同于马蹄涡也不同于卡门涡的空间稳定发展的三维旋涡系即背涡。
2) Notoplana humilis
薄背涡虫
1.
Embryonic Development of the Polyclad Notoplana humilis;
多肠目薄背涡虫的胚胎发育
2.
Structure and NADPH-d Histochemical Study on the Reproductive System of the Polyclad Notoplana humilis
多肠目薄背涡虫生殖系统结构及一氧化氮合酶组化研究
3.
Histological Studies on Gametogenesis of the Polyclad Notoplana humilis
多肠目薄背涡虫生殖细胞发生的组织学研究
3) background vorticity
背景涡量
1.
“Curved vortex belts” are found,and the physical mechanism for the amplification of background vorticity is also investigated.
采用拟谱方法求解ＮＳ方程，直接模拟了两个反向平行涡管的重联过程，考察了各种扰动方式对涡重联的影响，发现了“弧形涡带”现象，着重分析了背景涡量增长的物理机制。
4) turbine back pressure
涡轮背压
5) back eddy flows
背涡流
1.
The result showed that the ranges of the upward flows and back eddy flows decreased as the increase of input and output Permeability strongly,But the effect of Permeability of internal structure and Permeability of direction y and z are not very clear.
结果显示,上升流和背涡流的规模和大小随通透系数增加而减小;来流方向上,礁体迎流面、出口面的通透系数变化对上升流和背涡流规模和大小影响较为显著,而内部结构的变化则作用不明显;礁体上方与侧方的开口对上升流和背涡流的影响也不显著。
6) asymmetric vortices
非对称背涡
1.
The pressure fluctuation on both sides along the axis of the cylinder were compared to the cross-section vortices structure, which educed by the measurement of mean pressure based on the physical model of asymmetric vortices.
在亚临界流动范围内,通过尖拱细长旋成体在无侧滑状态下的脉动压力测量,对大迎角下细长旋成体非对称背涡结构沿轴向的压力脉动特征进行了研究分析,揭示了压力的脉动幅度与频率沿旋成体轴向的变化规律及其与背涡结构之间的对应关系,并对压力脉动特征沿轴变化的原因进行了初步探讨。
补充资料：背对背
背靠背。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条