NDLI: Ssme single crystal turbine blade dynamics

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Ssme single crystal turbine blade dynamics

Content Provider	NASA Technical Reports Server (NTRS)
Author	Smith, Todd E. Moss, Larry A.
Copyright Year	1987
Description	A study was performed to determine the dynamic characteristics of the Space Shuttle main engine high pressure fuel turbopump (HPFTP) blades made of single crystal (SC) material. The first and second stage drive turbine blades of HPFTP were examined. The nonrotating natural frequencies were determined experimentally and analytically. The experimental results of the SC second stage blade were used to verify the analytical procedures. The analytical study examined the SC first stage blade natural frequencies with respect to crystal orientation at typical operating conditions. The SC blade dynamic response was predicted to be less than the directionally solidified blade. Crystal axis orientation optimization indicated the third mode interference will exist in any SC orientation.
File Size	4476561
Page Count	27
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19870016951
Archival Resource Key	ark:/13960/t3712zc0d
Language	English
Publisher Date	1987-07-01
Access Restriction	Open
Subject Keyword	Structural Mechanics Grain Boundaries Single Crystals Casting Cracks Turbine Pumps Turbine Blades Directional Solidification Crystals Resonant Frequencies Space Shuttles Fatigue Materials Space Shuttle Main Engine Optimization Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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