无碰撞大气[Collisionless Atmosphere] - 达人(其实～我是卧底，来自外星)

2004/11/06 | 无碰撞大气[Collisionless Atmosphere]
类别(¤〖天文〗) | 评论(0) | 阅读(46) | 发表于 13:00: An atmosphere for which the mean free path is approximately equal to the pressure scale height H. Since
(1)

where n is the number density and is the cross sectional area of particles, it follows that
(2)

for a collisionless atmosphere. Therefore, from the ideal gas law,
(3)

where k is Boltzmann's constant,T is the temperature, m is the molecular mass, and g is the gravitational acceleration.; 0