NDLI: Aerocapture inflatable decelerator (aid)

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Aerocapture inflatable decelerator (aid)

Content Provider	NASA Technical Reports Server (NTRS)
Author	Reza, Sajjad
Copyright Year	2007
Description	Forward Attached Inflatable Decelerators, more commonly known as inflatable aeroshells, provide an effective, cost efficient means of decelerating spacecrafts by using atmospheric drag for aerocapture or planetary entry instead of conventional liquid propulsion deceleration systems. Entry into planetary atmospheres results in significant heating and aerodynamic pressures which stress aeroshell systems to their useful limits. Incorporation of lightweight inflatable decelerator surfaces with increased surface-area footprints provides the opportunity to reduce heat flux and induced temperatures, while increasing the payload mass fraction. Furthermore, inflatable aeroshell decelerators provide the needed deceleration at considerably higher altitudes and Mach numbers when compared with conventional rigid aeroshell entry systems. Inflatable aeroshells also provide for stowage in a compact space, with subsequent deployment of a large-area, lightweight heatshield to survive entry heating. Use of a deployable heatshield decelerator not only enables an increase in the spacecraft payload mass fraction and but may also eliminate the need for a spacecraft backshell and cruise stage. This document is the viewgraph slides for the paper's presentation.
File Size	10487098
Page Count	32
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20070031992
Archival Resource Key	ark:/13960/t23c1189s
Language	English
Publisher Date	2007-05-23
Access Restriction	Open
Subject Keyword	Spacecraft Design, Testing And Performance Aerodynamic Drag Aeroshells Aerocapture Deceleration Soft Landing Spacecraft Heat Shielding Spacecraft Landing Inflatable Structures Aerodynamic Brakes Atmospheric Entry 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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