Numerical investigation on the CH4/CO2 nanosecond pulsed dielectric barrier discharge plasma at atmospheric pressure

Abstract

Paper published as part of the special topic on Chemical Physics, Energy, Fluids and Plasmas, Materials Science and Mathematical Physics ARTICLES YOU MAY BE INTERESTED IN Boltzmann equation studies on electron swarm parameters in Townsend breakdown of copper vapor plasma using independently assessed electron-collision cross sections AIP Advances 9, 035041 (2019);

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“…The one-dimensional model used in this work is regular and well known (Bai et al, 2019, Bleecker et al, 2003, Braun et al, 1992, De Bie et al, 2011, Gogolides et al, 1994, Herrebout et al, 2001, Koelman et al, 2017, with the implemented geometry following the design of commonly studied experimental DBD reactors (De Bie et al, 2015, 2011, Nozaki and Okazaki, 2013, Scapinello et al, 2017. In cylindrical coordinates, the calculation domain for the plasma and gas phase has…”

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“…As the applied voltage amplitude increases, the peak value of the discharge current density also increases and the peak of the discharge current density occurs earlier. 30 The lower side of the dielectric layer is connected to the positive pole of the power supply, and the upper side of the dielectric layer is grounded.…”

“…The simulation model consists of the homemade one-dimensional plasma model and the two-dimensional combustion model based on software CHEMKIN-PRO. In previous studies, the plasma model has been implemented and validated for various NPDBD plasmas in different gas compositions. − Figure shows the schematic of the NPDBD plasma-assisted combustion system used in this work. The descriptions of the NPDBD plasma model and the planar shear flow combustion model are presented in Sections and 4.2, respectively.…”

Numerical investigation on the heterogeneous pulsed dielectric barrier discharge plasma catalysis for CO2 hydrogenation at atmospheric pressure: Effects of Ni and Cu catalysts on the selectivity conversions to CH4 and CH3OH

“…[1] Developing a highly efficient CO 2 conversion technology is one crucial approach to alleviate the increasing energy crisis and achieve the goal of "carbon neutral". Direct CO 2 decomposition, [2,3] dry reforming of CH 4 , [4][5][6][7] CO 2 hydrogenation, [8][9][10][11] electrochemical reduction process, and solar thermochemical conversion of CO 2 with H 2 O [12] have been studied by many research groups. Among them, CO 2 hydrogenation is a promising solution to convert CO 2 into value-added chemicals, such as alcohols and hydrocarbons, because of the lower thermodynamic limitation.…”