The Space Shuttle era has made major advances in technology and vehicle design to the point that the concept of a single-stage-to-orbit (SSTO) vehicle appears more feasible. NASA presently is conducting studies into the feasibility of certain advanced concept rocket engines that could be utilized in a SSTO vehicle. One such concept is a tripropellant system which burns kerosene and hydrogen initially and at altitude switches to hydrogen. This system will attain a larger mass fraction because LOX-kerosene engines have a greater average propellant density and greater thrust-to-weight ratio. This report describes the investigation to model the tripropellant augmented core engine. The physical aspects of the engine, the CFD code employed, and results of the numerical model for a single modular thruster are discussed.


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    Tripropellant engine study

    Wheeler, D. B. / Kirby, F. M. | NTRS | 1978


    Payload Evaluation of a Tripropellant Carrier Rocket

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    Tripropellant Combustion Investigation

    Hu, P. / Song, L. / Wei, F. | British Library Conference Proceedings | 1996