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Shock Tube

As part of an investigation into the explosive dispersal of fine particles, a shock tube was constructed using a combination of existing and new parts. The initial build consisted of the integration of an existing driver and modular driven section components into a permanent setup. This included the development of all structural support components, gas distribution and venting infrastructure, instrumentation, and control design. A high-speed data acquisition system and schlieren video system were integrated. Care was taken to ensure that existing channel modules and optical components would be compatible. The shock tube is a double-diaphragm design and has been run successfully with a variety of diaphragm materials including polyester films and stamped aluminum to enable a wide range of operating pressures. The support structure was built from strut channel, which has enabled (relatively) easy modifications and moving. The shock tube has sat in four different laboratories and undergone major revisions, extending capabilities. These have included the addition of a separate gas mixing chamber, driven section extensions, vacuum performance upgrades, a new optical module, driver isolation, and associated gas piping and instrumentation upgrades.

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