Research at the Explosion Dynamics Laboratories at Caltech over the past three years underudan ONR contract has examined many issues critical to Pulse Detonation Engine (PDE) development.udThese include: fundamental and applied studies of detonation initiation; detonation cell widthudmeasurements to characterize fuels, including JP10; visualization of the reaction zone structure ofudpropagating detonations; direct measurements and analytical modeling of impulse from a detonationudtube, including the effects of partial fill and exit geometry; studies of detonation diffraction; and theudstructural response of tubes to detonation loading, including fracture and failure. Each of theseudaspects of our program is discussed and key results are presented.
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