Abstract
The use of pressure waves to replace the chemical kinetic driven detonation waves in the design and analysis of the pulse detonation engine is examined. External to the detonation chamber, the pressure waves exhibit no appreciable hysteresis effect. The high velocities (thousands of meters per second) associated with the pressure waves resulting from the detonation process enables the neglect of recombination effects. The net result is the ability to design the internal flow path of a pulse detonation based device using non-reacting computational fluid dynamics yielding a significant savings in computational time, resources, and complexity relative to previous CFD efforts incorporating chemical reacting detonation models and sufficiently refined grids to capture detailed detonation phenomena.
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