A COMPARISON BETWEEN SWIVELLING NOZZLES WITH SPLIT LINES UPSTREAM AND DOWNSTREAM OF THE THROAT

Abstract

Successful firings with a new type of swivelling nozzle for solid propellant rocket motors is reported. The dividing line (split line) separating the swivelling part from the fixed part of the nozzle is downstream of the throat. This nozzle is compared here with a conventional one with the split line upstream of the throat. The main advantage of the new nozzle is the vectoring amplification factor of 1.5 which can be achieved. Other advantages claimed appear to be marginal and to apply to special applications only. The main disadvantage is the fact that the exit cone or part of it is turned into the supersonic exhaust stream. The movable cone and its leading edge are subject to very severe corrosion.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1963
Accession Number
AD0339867

Entities

People

  • F. C. Jessen
  • M. T. Peters

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Actuators
  • Amplification
  • Barometric Pressure
  • Bending Moments
  • Gases
  • Government Procurement
  • Governments
  • Hydraulic Actuators
  • Hydraulic Pressure
  • Leading Edges
  • Materials
  • Metals
  • National Security
  • Rocket Propulsion
  • Rubber Seals
  • Stainless Steel
  • United States

Readers

  • Combustion and Flow Dynamics.
  • Systems Analysis and Design

Technology Areas

  • Hypersonics
  • Hypersonics - Hypersonic Flow