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Mechanical Engineering Commons

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2008

LSU Master's Theses

Explosive device

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Full-Text Articles in Mechanical Engineering

Analysis Of Gas Dynamic Waves In Explosively Actuated Valves, Blaise H. Paul Jan 2008

Analysis Of Gas Dynamic Waves In Explosively Actuated Valves, Blaise H. Paul

LSU Master's Theses

A mathematical model is formulated for assessing quasi-one-dimensional gas dynamics occurring within axis-symmetric explosively actuated valves. The model describes complete valve operation and accounts for pressure-dependent explosive combustion within an actuator, compressible product gas flow within the actuator, through a small port, and into and within a gas expansion chamber. The gas dynamic waves induce piston motion at the terminal end of the expansion chamber which is needed for valve operation. The model is mathematically posed as an initial-boundary-value problem in terms of generalized coordinates to facilitate numerical computations on a domain that volumetrically expands due to combustion and piston ...