NDLI: Analysis of a simplified frangible joint system

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Analysis of a simplified frangible joint system

Content Provider	NASA Technical Reports Server (NTRS)
Author	Renfro, Steven L. Fritz, James E.
Organization	The National Aeronautics and Space Administration (NASA)
Copyright Year	1994
Abstract	A frangible joint for clean spacecraft, fairing, and stage separation has been developed, qualified and flown successfully. This unique system uses a one piece aluminum extrusion driven by an expanding stainless steel tube. A simple parametric model of this system is desired to efficiently make design modifications required for possible future applications. Margin of joint severance, debris control of the system, and correlation of the model have been successfully demonstrated. To enhance the understanding of the function of the joint, a dynamic model has been developed. This model uses a controlled burn rate equation to produce a gas pressure wave in order to drive a finite element structural model. The relationship of the core load of HNS-IIA MDF as well as structural characteristics of the joint are demonstrated analytically. The data produced by the unique modeling combination is compared to margin testing data acquired during the development and qualification of the joint for the Pegasus vehicle.
File Size	792473
File Format	PDF
Alternate Webpage(s)	http://www.archive.org/details/nasa_techdoc_19960020705
Archival Resource Key	ark:/13960/t5hb00r80
Language	English
Publisher Date	1994-02-01
Publisher Institution	NASA (non Center Specific)
Access Restriction	Open
Subject Keyword	Electromagnetic Compatibility Electrical Impedance Electromagnetic Interference Magnetic Fields Alternating Current Permeability Standards Permittivity Joints (junctions) Lightning Direct Current Fiber Composites Electrical Resistivity Spacecraft Construction Materials Graphite-epoxy Composites Electromagnetic Shielding Reinforcing Fibers Standardization Data Bases Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text

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