What is it about?
A hydrogen peroxide/ABS plastic hybrid rocket was equipped with a Thrust Augmenting Nozzle. This nozzle injects hydrogen peroxide downstream of the throat to increase internal nozzle pressure and allows for higher thrust to be obtained and for an over expanded nozzle to be operated optimally at sea-level conditions. Test results and computer simulation results are compared. Details for the development of the test apparatus and analytical simulation are included.
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Why is it important?
This article includes novel hydrogen peroxide decomposition methods and a novel approach to creating an altitude compensating nozzle.
Perspectives
This publication did not prove the given test configuration to be flight ready, but rather demonstrated limitations likely to be encountered by one looking to implement a thrust augmenting nozzle. Critical insights are included to facilitate improvement on the set up and necessary changes needed for desired results.
Mark Heiner
Read the Original
This page is a summary of: Thrust Augmentation of an Additively Manufactured Hybrid Rocket System Using Secondary H2O2 Injection, August 2019, American Institute of Aeronautics and Astronautics (AIAA),
DOI: 10.2514/6.2019-3832.
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