Counter-driver shock tube
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- Tamba, T., Nguyen, T.M., Takeya, K. et al. Shock Waves (2015) 25: 667. doi:10.1007/s00193-015-0594-z
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A “counter-driver” shock tube was developed. In this device, two counter drivers are actuated with an appropriate delay time to generate the interaction between a shock wave and a flow in the opposite direction which is induced by another shock wave. The conditions for the counter drivers can be set independently. Each driver is activated by a separate electrically controlled diaphragm rupture device, in which a pneumatic piston drives a rupture needle with a temporal jitter of better than 1.1 ms. Operation demonstrations were conducted to evaluate the practical performance.