ORCID Profile
0000-0001-5174-6003
Current Organisation
Centre National de la Recherche Scientifique
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Publisher: Elsevier BV
Date: 2023
Publisher: Elsevier BV
Date: 2019
Publisher: Elsevier BV
Date: 03-2017
Publisher: Elsevier BV
Date: 03-2017
Publisher: Elsevier BV
Date: 2017
Publisher: Elsevier BV
Date: 06-2019
Publisher: Springer Science and Business Media LLC
Date: 31-08-2020
Publisher: Elsevier BV
Date: 06-2018
Publisher: Informa UK Limited
Date: 28-10-2016
Publisher: AIP Publishing
Date: 11-2021
DOI: 10.1063/5.0066345
Abstract: Shock wave refraction theory and high-resolution numerical simulations were employed to predict the refraction pattern under superknock relevant conditions at slow–fast gas–gas interfaces which are characterized by a higher acoustic impedance in the incident phase than in the transmitted phase. First, our theoretical and computational methodologies were validated against results from the literature for planar shock–straight oblique interface interactions. Second, our framework was applied to planar shock-/cylindrical shock–cylindrical interface interactions. The theoretical regime diagram agrees well with the numerical predictions for the former configuration whereas significant discrepancies were observed for the latter. Numerical results show the formation of temperature and pressure peaks as the refraction structure transits from a free precursor refraction to a twin von Neumann refraction. This change in thermodynamic state can induce a significant reduction in ignition delay time, potentially leading to detonation onset.
Publisher: Informa UK Limited
Date: 28-10-2016
Publisher: Elsevier BV
Date: 08-2023
Location: United States of America
No related grants have been discovered for Josue Melguizo-Gavilanes.