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Type: Journal article
Title: Quasi-one-dimensional model of hydrogen-fueled scramjet combustors
Author: Birzer, C.
Doolan, C.
Citation: Journal of Propulsion and Power, 2009; 25(6):1220-1225
Publisher: Amer Inst Aeronaut Astronaut
Issue Date: 2009
ISSN: 0748-4658
Statement of
Cristian Birzer and Con J. Doolan
Abstract: A computationally efficient, quasi-one-dimensional, supersonic combustion ramjet (scramjet) propulsion model has been produced for use in hypersonic system design studies. The model solves a series of ordinary differential equations using a fourth-order Runge–Kutta method to describe the gas dynamics within the scramjet duct. Additional models for skin friction and wall heat transfer are also included. The equations are derived assuming an open thermodynamic system with equilibrium or simplified-chemistry combustion models. The combustion is also assumed to be mixing-limited rather than kinetically limited. This assumption allows simplification of the modeling and is justified when the model is compared against experimental results. Three test cases are used to validate the performance of the scramjet propulsion model: 1) a reflected-shock-tunnel hydrogen-fueled scramjet experiment, 2) a continuous-flow hydrogen-fueled scramjet ground test, and 3) a segment of the HyShot II flight test. The results show that the model simulates scramjet propulsion with a reasonable degree of accuracy.
RMID: 0020094594
DOI: 10.2514/1.43716
Appears in Collections:Mechanical Engineering publications
Environment Institute publications

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