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Computation of nozzle flow in a N 2O/HTPB hybrid rocket motor

  • School of Astronautics

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Propellant performance of N 2O/HTPB were studied firstly. Vacuum specific impulse is bound up with a oxidizer-to-fuel ratio and expansion ratio. Numerical solutions of full Navier-Stokes equations with chemical reaction flow were obtained for a nozzle flow of the N 2O/HTPB hybrid rocket motor. Lower-Upper decomposition scheme and MUSCL-type and Van Leer approach were used. A chemical reaction model with 12 species and 16 elementary reactions was presented. The nozzle entrance condition was obtained by thermal calculation. The nozzle flow under optimum oxidizer-to-fuel ratio were calculated. which will be useful for the hybrid rocket motor design.

Original languageEnglish
Title of host publicationCollection of Technical Papers - 43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference
Pages3646-3653
Number of pages8
StatePublished - 2007
Event43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference - Cincinnati, OH, United States
Duration: 8 Jul 200711 Jul 2007

Publication series

NameCollection of Technical Papers - 43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference
Volume4

Conference

Conference43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference
Country/TerritoryUnited States
CityCincinnati, OH
Period8/07/0711/07/07

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