A Framework for Simulating Turbine-Based Combined- Cycle Inlet Mode-Transition | Zendy

Dzu K. Le | Zendy; Daniel Vrnak | Zendy; John W. Slater | Zendy; Emil Hessel | Zendy

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A Framework for Simulating Turbine-Based Combined- Cycle Inlet Mode-Transition

Author(s) -

Dzu K. Le,

Daniel Vrnak,

John W. Slater,

Emil Hessel

Publication year - 2012

Publication title -

nasa sti repository (national aeronautics and space administration)

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.2012-4144

Subject(s) - inlet , mode (computer interface) , turbine , transition (genetics) , computer science , mechanics , physics , thermodynamics , mechanical engineering , engineering , chemistry , operating system , biochemistry , gene

A simulation framework based on the Memory-Mapped-Files technique was created to operate multiple numerical processes in locked time-steps and send I/O data synchronously across to one-another to simulate system-dynamics. This simulation scheme is currently used to study the complex interactions between inlet flow-dynamics, variable-geometry actuation mechanisms, and flow-controls in the transition from the supersonic to hypersonic conditions and vice-versa. A study of Mode-Transition Control for a high-speed inlet windtunnel model with this MMF-based framework is presented to illustrate this scheme and demonstrate its usefulness in simulating supersonic and hypersonic inlet dynamics and controls or other types of complex systems.

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