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Density and flux distributions in the lunar atmosphere due to point and line sourcesApart from the globally distributed ambient gases in the lunar atmosphere, localized gas sources, such as volcanos, may have a measurable effect on the process of shaping the lunar atmosphere. Analytic solutions were obtained for the spatial distributions of neutral gas densities and fluxes due to point and line sources at the lunar surface. Both density and flux profiles are strong functions of the distance from the source to the point of observation. The study also reveals that: (1) The location of the source may be identified from the density and flux profiles. (2) If the gas species is known, the temperature of the gas may be determined from the density gradient at a distance of several scale heights from the source. (3) The strength of the gas source may be determined by the magnitudes of density and flux.
Document ID
19720007187
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Yeh, T. T. J. (Bellcomm, Inc. Washington, DC, United States)
Chang, G. K. (Bellcomm, Inc. Washington, DC, United States)
Date Acquired
August 6, 2013
Publication Date
October 28, 1971
Subject Category
Space Sciences
Report/Patent Number
NASA-CR-124754
CASE-340
TM-71-2015-7
Accession Number
72N14837
Funding Number(s)
CONTRACT_GRANT: NASW-417
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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