Abstract
The contact surface tailoring conditions normally used for shock tubes do not apply to shock tubes with different driver and driven section diameters. A theoretical model is presented that predicts the contact surface tailoring condition for a convergent shock tube, designed to have a larger driver cross-section area than the driven section. The tailoring condition previously developed for shock tubes with uniform driver and driven diameters can be recovered from this model. Representative on- and off-model performance is verified experimentally in a high-pressure convergent shock. Tailoring conditions calculated with the model are also given for commonly used driven gases (Ar, N2 and air) and He–N2 driver mixtures as a function of driver/driven area ratio.
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Communicated by H. Olivier.
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Hong, Z., Davidson, D.F. & Hanson, R.K. Contact surface tailoring condition for shock tubes with different driver and driven section diameters. Shock Waves 19, 331–336 (2009). https://doi.org/10.1007/s00193-009-0212-z
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DOI: https://doi.org/10.1007/s00193-009-0212-z