Propagation of shock and detonation waves in channels with U-shaped bends of limiting curvature |
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Authors: | S. M. Frolov V. S. Aksenov I. O. Shamshin |
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Affiliation: | (1) Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow, 119991, Russia;(2) Moscow Engineering Physics Institute (State University), Kashirskoe sh. 31, Moscow, 125080, Russia |
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Abstract: | Systematic experimental and theoretical studies of the propagation of shock and detonation waves in cylindrical tubes and planar channels with two U-shaped bends of limiting curvature were performed. It was demonstrated that U-shaped bends substantially facilitate detonation initiation in gases. The minimum shock wave velocity required to initiate the detonation of a stoichiometric propane-air mixture under normal conditions in a near-critical diameter tube with two U-shaped bends of limiting curvature was found to be ~800 m/s. |
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