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Advances in detonation driving techniques for a shock tube/tunnel

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Abstract

Early works on the detonation driven shock tube are reviewed briefly. High initial pressure detonable mixture can be used in backward-detonation driver when the buffer tube is attached to the end of the driver for eliminating the excessive reflected peak pressure. Experimental data showed that an improvement on attenuation of the incident shock wave generated by the forward driver can be obtained, provided the diameter of the driver is larger than that of the driven section and an abrupt reduction of cross-section area is placed just beyond the diaphragm. Also, it is clearly verified by a numerical analysis. An additional backward-detonation driver is proposed to attach to the primary detonation driver and on condition that the ratios of initial pressure in the additional driver to that in the primary driver exceed the threshold value, the Taylor wave behind detonation wave in the primary detonation driver can be eliminated completely.

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Authors and Affiliations

  1. Laboratory of High Temperature Gas Dynamics, Institute of Mechanics, Chinese Academy of Sciences, Beijing, 100080, China

    H. R. Yu, H. Chen & W. Zhao

Authors
  1. H. R. Yu
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  2. H. Chen
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  3. W. Zhao
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Correspondence to H. R. Yu.

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Communicated by K. Takayama.

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Yu, H.R., Chen, H. & Zhao, W. Advances in detonation driving techniques for a shock tube/tunnel. Shock Waves 15, 399–405 (2006). https://doi.org/10.1007/s00193-006-0041-2

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  • DOI: https://doi.org/10.1007/s00193-006-0041-2

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