MULTIPLE JET VANE THRUST VECTOR CONTROL FOR THE NAAWS MISSILE

Authors
  1. Carrier, C.
  2. Lauzon, M.
Corporate Authors
Defence Research Establishment Valcartier, Valcartier QUE (CAN)
Abstract
All the experiments were conducted under hot flow conditions on subscale (70 mm), reduced-smoke rocket motors. The shrouded jet vanes, made of copper-infiltrated tungsten, were subjected to operating conditions estimated to be 50% more severe than the current generation. Lateral thrust, roll torque, and longitudinal thrust losses were measured as a function of jet vane deflection angle with a 6DOF static test stand, with a total of 14 motors being fired. This experimental program suggested that the vane must have a minimum t/c ratio of 20% to sustain the thermostructural loading. The results showed that high-performance shrouded JVTVC systems are sensitive to vane interaction effects under conditions of nonsymmetrical deflection of the vanes. It was also found that the use of a JVTVC system on a rocket motor entails a 10% reduction thrust efficiency. Finally, a poor agreement between the 2-D linear theory for supersonic flows and the experimental results was observed.
Keywords
Aerial warfare
Report Number
DREV-4566/89 —
Date of publication
15 Jun 1989
Number of Pages
38
DSTKIM No
89-02611
CANDIS No
60516
Format(s):
Hardcopy;Originator's fiche received by DSIS

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