The Deterioration of Stainless Steel Regeneratively Cooled Thrust Chambers

Abstract

In designing regeneratively cooled thrust chambers, the heat transfer conditions are selected to avoid 'burnout' situations. Failure in engines using storable propellants during development, test, or operation seldom occurs by the burnout mechanism of design. Roughening, pinholing, tube cracking, or splitting are common occurences because of metal disintegration either on the combustion chamber side or internally within the tube due to two processes: (1) the combustion gases from nitrogen tetroxide and Aerozine-50 reacting with the stainless tubing (Type 347), and (2) the decomposition products of the Aerozine-50 degrading the interior of the tubes. A mechanism of tube deterioration is developed to give a chronology of the events occurring from initial tube carburization to final tube failure.

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Document Details

Document Type
Technical Report
Publication Date
Oct 15, 1969
Accession Number
AD0862109

Entities

People

  • J. K. Stanley

Organizations

  • The Aerospace Corporation

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Aerozine
  • Air Force
  • Chambers
  • Chemistry
  • Combustion
  • Combustion Chambers
  • Engines
  • Failure Mode And Effect Analysis
  • Films
  • Heat Transfer
  • Materials
  • Materials Processing
  • Materials Science
  • Mechanical Properties
  • Rocket Oxidizers
  • Rockets
  • Thrust Chambers

Readers

  • Combustion and Flow Dynamics.
  • Materials Science and Engineering.
  • Systems Analysis and Design