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|Scopus||Web of Science®||Altmetric|
|Title:||Quasi-one-dimensional model of hydrogen-fueled scramjet combustors|
|Citation:||Journal of Propulsion and Power, 2009; 25(6):1220-1225|
|Publisher:||Amer Inst Aeronaut Astronaut|
|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.|
|Appears in Collections:||Mechanical Engineering publications|
Environment Institute publications
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