DENSITY OF A NEUTRAL EXOSPHERE DERIVED FROM THE BOLTZMANN EQUATION. Technocal Report No. 230
Technical Report
·
OSTI ID:4840266
It is shown that the density of a planetary exosphere can be derived from the Boltzmann equation, provided the equation is modified to take into account the escape component. The solution was obtained through a perturbation method; the zeroth order solution is the barometric formula, which applies when escape is negligible. The solution gives only the total density (ballistic plus bound orbits); the kinetic approach used by Opik and Singer gives the separate components. (auth)
- Research Organization:
- Maryland. Univ., College Park
- NSA Number:
- NSA-16-019154
- OSTI ID:
- 4840266
- Report Number(s):
- AFCRL-1038; AD-266808
- Country of Publication:
- United States
- Language:
- English
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