spinning projectile meaning in Chinese
旋转弹头
Examples
- The interaction flow field over high - speed spinning projectile with lateral jets is simulated secondly . comparison with nonspinning case shows spinning changes the flow structure and base flow of projectile with lateral jets
为研究高速旋转对侧喷流绕流场的影响，进行了高速旋转弹丸侧喷三维干扰湍流流场的数值模拟。 - With attack angle , two types of unsteady flowfield over high - speed spinning projectile without and with lateral jets are successfully simulated respectively by dual - time stepping method . the two results of flowfield show unsteady and periodically after one period of spinning
在高速旋转弹丸底喷流-侧喷流共同干扰流场的计算中，发现高速旋转对底喷流动的影响没有对侧喷流动的明显。 - The complicated aerodynamics characteristic of spinning projectile with lateral jets and with attack angle is studied detailedly . the formation and changes are analyzed including magnus force , normal force , yawing moment , pitching moment and pressure center
系统分析了旋转侧喷弹丸复杂的空气动力学特性，分析了马格努斯力系数、法向力系数、偏航力矩系数、俯仰力矩系数和压力中心等参数的产生机理和变化规律。 - The aerodynamics characteristic of spinning projectile with lateral jets has constitutionally difference in formation from that without jet , and it waves periodically . these characteristics are very important for the study of aerodynamics of projectile with lateral jets
与光弹体相比，旋转侧喷弹丸的空气动力特性不仅在形成机理上发生了本质变化，而且在数值上表现出复杂的波动形式，这些特点将对旋转侧喷弹丸空气动力研究带来直接和深远的影响。 - Three dimensional interaction flowfield over high - speed spinning projectile with lateral jets is numerically simulated in this dissertation firstly . complicated shocks wave patterns is analyzed . several factors concerned such as high - speed spinning , attack angle , base bleed and so on , are studied
本文首次完成了高速旋转弹丸侧喷三维干扰湍流流场的数值模拟，分析了弹丸侧喷流场复杂的波系结构，研究了高速旋转、攻角、底喷等因素对弹丸侧喷流场的影响规律，深入分析了旋转侧喷弹丸的空气动力学特性。