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Plasma technologies are a promising way of addressing a number of challenges in combustion, ranging from stabilization and flame-holding for hypersonic vehicles, to enabling low-emissions propulsion and power. Whereas most works in the…

Plasma Physics · Physics 2023-06-13 Carmen Guerra-Garcia , Colin A. Pavan

In this work, evolution of parameters of nanosecond repetitively pulsed (NRP) discharges in pin-to-pin configuration in air was studied during transient stage of initial twenty discharge pulses. Gas and plasma parameters in the discharge…

Plasma Physics · Physics 2022-07-20 Xingxing Wang , Adam Patel , Alexey Shashurin

Paper presents a review of modern works on the gasdynamic flow control using a heat release in highly nonequilibrium pulsed plasma. The major attention is paid to the effects based on ultrafast (on nanosecond time scale at atmospheric…

Fluid Dynamics · Physics 2021-03-17 Andrey Yu. Starikovsky , Nickolay L. Alexandrov

This paper presents a flame-height correlation for laminar to transition-to-turbulent regime diffusion flames. Flame-height measurements are obtained by means of numerical and experimental studies in which three high definition cameras were…

We study theoretically the emission and lasing properties of a single nanoshell spaser nanoparticle, or plasmonic nanolaser, made of an active core (gain material) and a plasmonic metal shell. Based on an analytical framework coupling…

Nanosecond discharges are characterized by a shift in energy branching toward the excitation of electronic levels and dissociation, making them particularly attractive for plasma chemistry. Understanding the spatiotemporal structure of…

Plasma Physics · Physics 2025-02-10 Konstantinos Kourtzanidis , Svetlana M. Starikovskaia

Flame propagation through a non-volatile solid-fuel suspension is studied using a simplified, time-dependent numerical model that considers the influence of both diffusional and kinetic rates on the particle combustion process. It is…

The characteristics of atmospheric-pressure microdischarges excited by nanosecond high-voltage pulses are investigated in helium-nitrogen mixtures, as a function of the parameters of the excitation voltage pulses. In particular, cases of…

Plasma Physics · Physics 2019-09-04 Zoltan Donko , Satoshi Hamaguchi , Timo Gans

The plasma dry reforming reaction of methane with carbon dioxide is investigated in a nanosecond repetitively pulsed discharge, a type of plasma that offers one of the highest non-equilibrium and performance characteristics. The…

Plasma Physics · Physics 2021-05-06 Cesare Montesano , Marzia Faedda , Luca Matteo Martini , Giorgio Dilecce , Paolo Tosi

We study the effect of the electromagnetic environment on the resonance frequency of plasmonic excitations in dimers of interacting metallic nanoparticles. The coupling between plasmons and vacuum electromagnetic fluctuations induces a…

Mesoscale and Nanoscale Physics · Physics 2017-10-11 Charles A. Downing , Eros Mariani , Guillaume Weick

This study numerically explores the flow physics associated with nanosecond pulsed plasma actuators to control shock-wave induced boundary-layer separation. By using two actuators, parallel and canted with respect to the main flow…

Fluid Dynamics · Physics 2018-12-04 Kiyoshi Kinefuchi , Andrey Y. Starikovskiy , Richard B. Miles

The possibility that the type of discontinuous flow changes as the conditions gradually (continuously) change is investigated in connection with the problems arising when the results of numerical simulations of magnetic reconnection in…

Plasma Physics · Physics 2013-12-13 L. S. Ledentsov , B. V. Somov

Premixed flames propagating within small channels show complex combustion phenomena that differ from flame propagation at conventional scales. Available experimental and numerical studies have documented stationary/non-stationary and/or…

Fluid Dynamics · Physics 2016-08-02 Mohsen Ayoobi , Ingmar Schoegl

The propagation and energy coupling of intense laser beams in plasmas are critical issues in laser-driven inertial confinement fusion. Applying magnetic fields to such a setup has been evoked to enhance fuel confinement and heating, and…

An influence of a high-voltage (3-17 kV) 20 ns pulse on a weakly-ionized low-pressure (0.1-10 Pa) capacitively-coupled radiofrequency (RF) argon plasma is studied experimentally. The plasma evolution after pulse exhibits two characteristic…

The evolution of pulsed discharge behavior inside a preformed air bubble in water from the first to subsequent pulses was experimentally investigated using a synchronized needle to bubble system. A positive nanosecond high-voltage pulsed…

Plasma Physics · Physics 2026-03-24 Yang Xia , Siyuan Liu , Zhanqiang Liu , Weishan Zhang , Zhihua Qi

The effects of nanosecond pulsed non-equilibrium plasma discharges on ignition characteristics and low-temperature chemistry or LTC of DME/O2/Ar mixtures are numerically investigated in a plane-to-plane geometry at a reduced pressure of 76…

Plasma Physics · Physics 2018-03-20 Yao Zhang

In this paper we investigate the resonant electron-plasmon interactions in a drifting electron gas of arbitrary degeneracy. The kinetic corrected quantum hydrodyanmic model is transformed into the effective Schr\"{o}dinger-Poisson model and…

Plasma Physics · Physics 2021-02-24 M. Akbari-Moghanjoughi

Nanosecond Surface Dielectric Barrier Discharge (ns-SDBDs) are a class of plasma actuators that utilize a high-voltage pulse of nanosecond duration between two surface-mounted electrodes to create an electrical breakdown of air, along with…

Fluid Dynamics · Physics 2020-10-19 Lalit K. Rajendran , Bhavini Singh , Pavlos P. Vlachos , Sally P. M. Bane

Nonequilibrium plasmas generated by spark discharges induce chemical, thermal, and flow dynamic effects that are beneficial in many applications such as plasmalysis, plasma-assisted combustion, and plasma flow control. Among the flow…

Plasma Physics · Physics 2025-02-12 Edouard Roger , Pierre Mariotto , Christophe O Laux
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