NDLI: Demonstration of launch vehicle slosh instability on pole-cart platform

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Demonstration of launch vehicle slosh instability on pole-cart platform

Content Provider	NASA Technical Reports Server (NTRS)
Author	Pei, Jing Rothhaar, Paul
Copyright Year	2015
Description	Liquid propellant makes up a significant portion of the total weight for large launch vehicles such as Saturn V, Space Shuttle, and the Space Launch System (SLS). Careful attention must be given to the influence of fuel slosh motion on the stability of the vehicle. A well-documented slosh danger zone occurs when the slosh mass is between the vehicle center of mass and the center of percussion. Passive damping via slosh baffle is generally required when the slosh mass is within this region. The pole-cart hardware system, typically used for academic purposes, has similar dynamic characteristics as an unstable launch vehicle. This setup offers a simple and inexpensive way of analyzing slosh dynamics and its impact on flight control design. In this paper, experimental and numerical results from the pole-cart system will be shown and direct analogies to launch vehicle slosh dynamics will be made.
File Size	1338871
Page Count	19
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20160006033
Archival Resource Key	ark:/13960/t5s80cp4h
Language	English
Publisher Date	2015-06-22
Access Restriction	Open
Subject Keyword	Launch Vehicles And Launch Operations Damping Dynamic Characteristics Launch Vehicles Baffles Center of Mass Liquid Rocket Propellants Saturn 5 Launch Vehicles Flight Control Spacecraft Launching Motion Stability Liquid Sloshing 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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