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Some studies of expansion rings in rocket motors

Citation

Kleiss, N. J. (1946) Some studies of expansion rings in rocket motors. Engineer's thesis, California Institute of Technology. http://resolver.caltech.edu/CaltechETD:etd-12242008-094536

Abstract

The purpose of this investigation was to investigate the stresses encountered for a semicircular expansion joint for a rocket motor. Information was desired to relate these stresses to the various parameters of the problem.

The stresses involved in this design were found to approximate those indicated by the exact membrane theory. The specimen having the lesser thickness was found to agree more closely with the exact membrane theory, and gave the lowest value of stresses.

An empirical method of membrane analysis, based on deformation profiles, was developed. This method is applicable for stresses slightly above the elastic limit and may be extrapolated for higher values.

The design tested was found to be inherently unsatisfactory on the basis of tests and theoretical considerations.

An alternative design was indicated which would have lower values of stress for a given value of deformation, and which could be designed strictly on the basis of theoretical calculations.

Item Type:Thesis (Engineer's thesis)
Degree Grantor:California Institute of Technology
Division:Engineering and Applied Science
Major Option:Aeronautics
Thesis Availability:Public (worldwide access)
Research Advisor(s):
  • Sechler, Ernest Edwin (advisor)
  • Dunn, Louis G. (advisor)
Thesis Committee:
  • Unknown, Unknown
Defense Date:1 January 1946
Record Number:CaltechETD:etd-12242008-094536
Persistent URL:http://resolver.caltech.edu/CaltechETD:etd-12242008-094536
Default Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:5133
Collection:CaltechTHESIS
Deposited By: Imported from ETD-db
Deposited On:15 Jan 2009
Last Modified:26 Dec 2012 03:15

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