1) Vortex filament equation
涡线方程
2) non-linear equation of vortex
非线性涡度方程
3) whirling formation
涡动方程
1.
This article presents the whirling formation when the PDC bit is at the bottom of the well and the methods to decreasing the PDC whirling was brought forward.
通过对钻头的受力分析,应用等效质量的方法和粒子运动原理,建立了PDC钻头在井底的涡动方程,并提出了减小钻头涡动的方法。
4) the eddy equation
涡流方程
5) vorticity equation
涡量方程
6) vortex-stream function equations
涡量-流函数方程
1.
As recirculation zone formed by coastal water flow make pollutants accumulation so as to lead the environment deterioration,a 3-points high order compact(HOC) difference scheme was used in high accuracy numerical computation of the vortex-stream function equations and pollutants convection diffusion equation to study its formation mechanism and law of pollutants accumulation.
为研究回流区污染物堆积的机理及规律,采用高阶三点紧致差分格式对涡量-流函数方程和污染物对流扩散方程进行高精度数值求解,得到了污染物堆积与回流区岸线角度、排放点位置之间的定量关系。
补充资料：架空线状态方程式
架空线状态方程式
tension equation of overhead wire
，}okongx一on Zhuongtol于ongehengshl架空线状态方程式(tension叫uationoverhead wire)见架空线力学计算。
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