“蓝天”、“白云”的理论分析

Theoretical Analysis of Blue Sky and White Cloud

本文用电偶极子物理模型和米氏散射理论对蓝天和白云自然现象进行了理论分析,并进行了数值计算。理论分析和数值计算结果表明,气体分子对阳光的散射是产生蓝色天空的主要原因,而云的颜色是由云的厚度,颗粒的大小,以及成份共同决定的。

Based on the electric dipole mode and the Mie - scattering theory, the natural phenomena of blue sky and white cloud are analyzed and counted theoretically. The theoretical and numerical results show thai the scattering of the sunlight by gas molecules is the main cause of blue sky, and the color of cloud depends on the thickness of the cloud, the size of the gas particles and the gas components.