NDLI: Sloshing of cryogenic helium driven by lateral impulse/gravity gradient-dominated/or g-jitter-dominated accelerations and orbital dynamics

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Sloshing of cryogenic helium driven by lateral impulse/gravity gradient-dominated/or g-jitter-dominated accelerations and orbital dynamics

Content Provider	NASA Technical Reports Server (NTRS)
Author	Long, Y. T. Hung, R. J. Zu, G. J.
Copyright Year	1996
Description	The coupling of slosh dynamics within a partially filled rotating dewar of superfluid helium 11 with spacecraft orbital dynamics is investigated in response to the environmental disturbances of (a) lateral impulses, (b) gravity gradients and (c) g-jitter forces. The purpose of this study is to investigate how the coupling of helium 11 fluid slosh dynamics driven by three cases of environmental force with spacecraft dynamics can affect the bubble deformations and their associated fluid and spacecraft mass centre fluctuations. The numerical computation of slosh dynamics is based on a rotational frame, while the spacecraft dynamics is associated with a non-rotational frame. Results show that the major contribution of orbital dynamics is driven by coupling with slosh dynamics. Neglecting the effect of slosh dynamics acting on the spacecraft may lead to the wrong results for the development of orbital and attitude control techniques.
File Size	1106819
Page Count	14
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19970021270
Archival Resource Key	ark:/13960/t8kd6ts98
Language	English
Publisher Date	1996-01-01
Access Restriction	Open
Subject Keyword	Fluid Mechanics And Heat Transfer Impulses Gravitation Vibration Attitude Control Cryogenic Equipment Fluid Dynamics Gravitational Fields Rotation Liquid Helium 2 Bubbles Gravitational Effects Cryogenics Liquid Helium Superfluidity 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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