NDLI: Global reference atmospheric models, including thermospheres, for mars, venus and earth

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Global reference atmospheric models, including thermospheres, for mars, venus and earth

Content Provider	NASA Technical Reports Server (NTRS)
Author	Keller, Vernon W. Justus, C. G. Justh, Hilary L.
Copyright Year	2006
Description	This document is the viewgraph slides of the presentation. Marshall Space Flight Center's Natural Environments Branch has developed Global Reference Atmospheric Models (GRAMs) for Mars, Venus, Earth, and other solar system destinations. Mars-GRAM has been widely used for engineering applications including systems design, performance analysis, and operations planning for aerobraking, entry descent and landing, and aerocapture. Preliminary results are presented, comparing Mars-GRAM with measurements from Mars Reconnaissance Orbiter (MRO) during its aerobraking in Mars thermosphere. Venus-GRAM is based on the Committee on Space Research (COSPAR) Venus International Reference Atmosphere (VIRA), and is suitable for similar engineering applications in the thermosphere or other altitude regions of the atmosphere of Venus. Until recently, the thermosphere in Earth-GRAM has been represented by the Marshall Engineering Thermosphere (MET) model. Earth-GRAM has recently been revised. In addition to including an updated version of MET, it now includes an option to use the Naval Research Laboratory Mass Spectrometer Incoherent Scatter Radar Extended Model (NRLMSISE-00) as an alternate thermospheric model. Some characteristics and results from Venus-GRAM and Earth-GRAM thermospheres are also presented.
File Size	11822789
Page Count	18
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20060048492
Archival Resource Key	ark:/13960/t15n16387
Language	English
Publisher Date	2006-01-01
Access Restriction	Open
Subject Keyword	Lunar And Planetary Science And Exploration Earth Atmosphere Thermosphere Venus Atmosphere Aerocapture Planetary Environments Atmospheric Models Incoherent Scatter Radar Mars Reconnaissance Orbiter Reference Atmospheres Mars Atmosphere Aerobraking Design Analysis Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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