Abstract
Gliding arc discharge (GAD) reactors are known for high energy efficiency and good chemical selectivity compared to non-thermal plasmas such as glow discharge, corona and dielectric barrier discharge. Reported literature identified that planar diverging GAD have non-uniform gas treatment (e.g. only 20% of gas processed by plasma depending on electrode configuration). Further requirement of minimum limit gas velocity to drag the arc results in lower gas residence time.
 This paper attempts to investigate the GAD performance and preliminary studies to overcome some of the identified drawbacks, by using only fluid mechanics without magnetic field (rotating gliding arc (RGA)) inside the plasma reactor developed in various research laboratories. This article discusses the applications of GAD and also focuses on bringing out the performance and comparing with the results from the existing non-magnetic rotating gliding arc reactors. The paper also summarizes results from literature in such reactor designs.
Highlights
Energy efficiency=Plasmas can be classified into thermal and nonthermal plasmas
Nonthermal plasma is extensively used in applications involving
Non- zone is confined to the flat region between the electrodes. Thermal plasmas such as glow discharge, corona & silent Due to these reasons, only fraction of gas is processed which discharge and dielectric barrier discharge (DBD) show is only 20% as reported in [10]. This leads to drop in amount limitations in terms of power and operating pressures [3,4]. of gas processed for a unit of plasma power spent and
Summary
Thermal plasmas are mainly used in applications involving enormous heat or temperature and. Thermal plasmas such as glow discharge, corona & silent Due to these reasons, only fraction of gas is processed which discharge and dielectric barrier discharge (DBD) show is only 20% as reported in [10]. This leads to drop in amount limitations in terms of power and operating pressures [3,4]. Of gas processed for a unit of plasma power spent and These disadvantages are overcome by gliding arc discharges reduces degree of chemical selectivity [3]. Gliding arc reactors and characterisation works of highlight the design and the existing non-magnetic i rotational gliding arc reactors
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