Topic
Shock tube
About: Shock tube is a research topic. Over the lifetime, 6963 publications have been published within this topic receiving 99372 citations.
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TL;DR: In this paper, a comprehensive kinetic reaction mechanism was proposed to model the kinetics of the reactions involved in the oxidation of C1C4 hydrocarbons. But the mechanism is not suitable for the case of high temperature (800 to 1200 K) in the pressure range 1-10 atm.
Abstract: Ethane oxidation in jet-stirred reactor has recently been investigated at high temperature (800–1200 K) in the pressure range 1–10 atm and molecular species (H2, CO, CO2, CH4, C2H2, C2H4, C2H6) concentration profiles were obtained by probe sampling and GC analysis. Ethane oxidation was modeled using a comprehensive kinetic reaction mechanism including the most recent findings concerning the kinetics of the reactions involved in the oxidation of C1C4 hydrocarbons. The proposed mechanism is able to reproduce experimental data obtained in our high-pressure jet stirred reactor and ignition delay times measured in shock tube in the pressure range 1–13 atm, for temperatures extending from 800 to 2000 K and equivalence ratios of 0.1 to 2. It is also able to reproduce atoms concentrations (H,O) measured in shock tube at ≈2 atm. The same detailed kinetic mechanism can also be used to model the oxidation of methane, ethylene, propyne, and allene in similar conditions.
92 citations
TL;DR: Theoretical studies of rotational relaxation in para-hydrogen are presented in this paper, where rotational energy relaxation rates extracted from these calculations are compared with available experimental data and are shown to be in good qualitative agreement.
Abstract: Theoretical studies of rotational relaxation in para‐hydrogen are presented. By using a set of theoretically deduced state‐to‐state rotational rate constants the master kinetic equations and the relevant fluid mechanical equations are solved numerically. Calculations are performed over the range 100⩽T⩽1100 °K to simulate conditions for free jet expansion, shock tube, and sound absorption experiments. The over‐all rotational energy relaxation rates extracted from these calculations are compared with available experimental data and are shown to be in good qualitative agreement. The magnitudes and the temperature dependence of these rates depend critically on the degree and direction of the initial departure from equilibrium as well as the multilevel nature of the relaxation process. The apparent discrepancies in the measured rates from the different experiments are shown to be qualitatively self‐consistent in light of the present calculations.
91 citations
91 citations
TL;DR: In this article, the effect of plate curvature on blast response of aluminum panels was analyzed using a 3D Digital Image Correlation (DIC) technique coupled with high speed photography, and the results showed that panel C had the least plastic deformation and yielding as compared to other panels.
91 citations
TL;DR: In this article, a high speed liquid-solid impact based on particle velocity was studied, where the authors measured the shock wave velocity and pressure in high-speed liquid solid impact.
Abstract: Shock wave velocity and pressure in high speed liquid-solid impact based on particle velocity
91 citations