Recent advances in ultrafast-laser-based spectroscopy and imaging for reacting plasmas and flames

AK Patnaik, I Adamovich, JR Gord… - Plasma Sources Science …, 2017 - iopscience.iop.org
Reacting flows and plasmas are prevalent in a wide array of systems involving defense,
commercial, space, energy, medical, and consumer products. Understanding the complex …

Coherent anti-Stokes Raman scattering and spontaneous Raman scattering diagnostics of nonequilibrium plasmas and flows

WR Lempert, IV Adamovich - Journal of Physics D: Applied …, 2014 - iopscience.iop.org
The paper provides an overview of the use of coherent anti-Stokes Raman scattering
(CARS) and spontaneous Raman scattering for diagnostics of low-temperature …

Measurements and kinetic modeling of energy coupling in volume and surface nanosecond pulse discharges

K Takashima, Z Yin, IV Adamovich - Plasma Sources Science and …, 2012 - iopscience.iop.org
Nanosecond pulse discharge plasma imaging, coupled pulse energy measurements, and
kinetic modeling are used to analyze the mechanism of energy coupling in high repetition …

Numerical simulation of nanosecond-pulse electrical discharges

J Poggie, I Adamovich, N Bisek… - … Sources Science and …, 2012 - iopscience.iop.org
Recent experiments with a nanosecond-pulse, dielectric barrier discharge at the stagnation
point of a Mach 5 cylinder flow have demonstrated the formation of weak shock waves near …

Formation and propagation of ionization waves during ns pulse breakdown in plane-to-plane geometry

K Orr, X Yang, I Gulko… - Plasma Sources Science …, 2020 - iopscience.iop.org
Ionization wave development during ns pulse breakdown in nitrogen between two parallel
plate, dielectric-covered electrodes is studied by ps electric field induced second harmonic …

Nanosecond pulse surface discharges for high-speed flow control

I Adamovich, J Little, M Nishihara… - 6th AIAA flow control …, 2012 - arc.aiaa.org
The paper provides an overview of recent progress in the use of surface dielectric barrier
discharges sustained by repetitive, high-voltage, nanosecond duration pulses for high …

Numerical investigation of a pulsed reaction control jet in hypersonic crossflow

WA Miller, PR Medwell, CJ Doolan, M Kim - Physics of Fluids, 2018 - pubs.aip.org
This paper presents a numerical study on the flow structures developed when a pulsed
reaction control jet is operated in a hypersonic crossflow with a laminar boundary layer …

Electric field distribution in a non-self-sustained RF discharge with ionization generated by ns discharge pulses

S Raskar, K Orr, X Yang… - Plasma Sources Science …, 2022 - iopscience.iop.org
Electric field in a capacitively coupled, non-self-sustained RF discharge nitrogen plasma
with external ionization generated by high-voltage ns pulses has been measured by ps …

Picosecond CARS measurements of nitrogen rotational/translational and vibrational temperature in a nonequilibrium Mach 5 flow

A Montello, M Nishihara, JW Rich, IV Adamovich… - Experiments in …, 2013 - Springer
Abstract Picosecond Unstable-resonator Spatially Enhanced Detection Coherent Anti-
Stokes Raman Scattering (USED-CARS) is used for the measurement of nitrogen Q-branch …

Hypersonic flow over a cylinder with a nanosecond pulse electrical discharge

NJ Bisek, J Poggie, M Nishihara… - Journal of Thermophysics …, 2014 - arc.aiaa.org
A computational study of Mach 5 airflow over a cylinder with a dielectric barrier discharge
actuator was performed. The actuator was pulsed at nanosecond time scales and it rapidly …