High flow plug nozzle apparatus and method of using the same
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United States of America Patent
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Jul 28, 2020
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app pub date -
Jun 16, 2017
filing date -
Jun 16, 2017
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Abstract
The present disclosure relates to a method of operating a supersonic aircraft comprising the steps of: at takeoff, positioning a slidable plug-cowl assembly disposed within a nozzle and behind an engine in an aft position such that a front surface of a plug is aft of an exit plane of a cowl, to thereby reduce noise during takeoff and maintain engine efficiency; and after takeoff, re-positioning the slidable plug-cowl assembly to a forward position such that the front surface of the plug is not disposed aft the exit plane of the cowl.
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