强激光与粒子束, 2004, 16 (12): 1518, 网络出版: 2006-05-15   

激光对运动圆柱体加热的几何学研究

Geometrical aspects of laser heating the flying cylinder
作者单位
国防科学技术大学,光电科学与工程学院,湖南,长沙410073
摘要
当激光无论从地面或是从空中辐照运动的圆柱体时,都涉及到入射激光相对于圆柱体的辐照方式.在一定假设下,导出了激光对抛射圆柱体表面加热时圆柱表面热加载功率密度分布公式,并结合一理想情况,针对光束入射角度因子、光斑中心的偏移、光斑形状的变化进行了解析计算分析.分析表明,即使圆柱体本身不做自转,圆柱体表面的光强分布中心也会发生偏移,分布也会发生变化,尤其沿圆柱体轴向的分布变化较大,必须结合实际加以细化研究.
Abstract
The irradiating style of laser relative to the flying cylinder has to be considered whether the laser is from land or air. With specific assumptions, the analytical expressions of heating power area density distribution on the side of the cylinder is deduced. According to an ideal scenario, analytical deduction is carried out on the incidence angle factor, the excursion of the light spot center and the deformation of the light spot shape. The analysis shows that even if the cylinder does not spin, the light intensity center would wander on the side of the cylinder and the light intensity distribution would vary, especially that along the axial direction would vary greater. It requires detail study on the procedure combined with reality later.

马厉克, 陆启生, 赵国民, 江厚满. 激光对运动圆柱体加热的几何学研究[J]. 强激光与粒子束, 2004, 16(12): 1518. MA Li-ke, LU Qi-sheng, ZHAO Guo-min, JIANG Hou-man. Geometrical aspects of laser heating the flying cylinder[J]. High Power Laser and Particle Beams, 2004, 16(12): 1518.

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