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Lift Characteristics of Asymmetric Exhaust Nozzles at HighFlight Speeds

Published online by Cambridge University Press:  04 July 2016

W. G. E. Lewis ,
R. J. Herd  and
M. V. Herbert
W. G. E. Lewis
Affiliation:
Engine Research Department, National Gas Turbine Establishment
R. J. Herd
Affiliation:
Engine Research Department, National Gas Turbine Establishment
M. V. Herbert
Affiliation:
Engine Research Department, National Gas Turbine Establishment
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Summary

If a supersonic nozzle is designed for less than complete expansion of the flow, some lift force can be produced without downwards deflection of the nozzle. A theoretical analysis has been made, by the method of characteristics, for a two-dimensional nozzle consisting of an upper wedge and lower parallel shroud. General trends of lift performance with the main variables have been obtained.

Type
Technical Notes
Information
The Aeronautical Journal , Volume 70 , Issue 671 , November 1966 , pp. 1036 - 1040
Copyright
Copyright © Royal Aeronautical Society 1966

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References

1.Lewis, W. G. E., Herbert, M. V. and Mcgarry, J. B. The Use of Jet Deflection to Extend the Cruise Range of a Supersonic Aircraft. ARC Paper No. 24309, July 1958.Google Scholar
2.Lewis, W. G. E. and Herbert, M. V. Ramjet Propulsive Efficiency in the Mach Number Range 4 to 7. Internal Publication, MoA, April 1959.Google Scholar