NDLI: An analytical study of reduced-gravity propellant settling

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An analytical study of reduced-gravity propellant settling

Content Provider	NASA Technical Reports Server (NTRS)
Author	Kramer, J. L. Bradshaw, R. D.
Organization	The National Aeronautics and Space Administration (NASA)
Copyright Year	1974
Abstract	A study was performed to define full-scale propellant reorientation flow dynamics for the D-1T Centaur fuel tank. A computer code using the Simplified Marker and Cell technique was modified to include the capability for a variable grid mesh configuration. The use of smaller cells near the boundary, near baffles and in corners provides improved flow resolution. The new program, structured in overlay, is more efficient in core usage and is suitable for larger size problems. Three Lewis Research Center drop tower model cases were simulated to verify program validity, two cases without baffles and one case with baffles and geometry identical to D-1T Centaur. Flow phenomena using the new code successfully modeled drop tower data. Flow trajectories off the baffles exhibited dependence on initial fluid location in relation to the baffle and on initial flow velocity. Two fullscale D-1T Centaur cases were then simulated using parameters based on the Centaur D-1T Proof Flight.
File Size	3828822
File Format	PDF
Alternate Webpage(s)	http://www.archive.org/details/nasa_techdoc_19740018124
Archival Resource Key	ark:/13960/t1gj07216
Language	English
Publisher Date	1974-02-01
Access Restriction	Open
Subject Keyword	Gas Turbines Platinum Temperature Measuring Instruments Thermocouples Equipment Specifications Performance Tests Product Development Test Equipment 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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