Advances in plasma-assisted ignition and combustion for combustors of aerospace engines

M Li, Z Wang, R Xu, X Zhang, Z Chen… - Aerospace Science and …, 2021 - Elsevier
The improvement of the ignition and combustion performance of aerospace engines under
extreme conditions such as high altitude, low temperature, low pressure, and high speed is …

Emission thermometry of microwave-assisted alkali-doped propellant combustion

K Zhu, SJ Barkley, TR Sippel, JB Michael - Combustion and Flame, 2023 - Elsevier
Recently, the application of high-power microwave fields to sodium-doped aluminized solid
propellants has been shown to increase the atmospheric burning rate by up to 60%. Two …

Two enhancements in microwave-assisted spark ignition and their causes

H Wu, Z Wang, C Liu, J Xu, X Cheng, JY Chen… - Combustion and …, 2023 - Elsevier
As a prospective ignition technique, microwave-assisted spark ignition (MAI) efficiently
enhances ignition with plasma absorbing microwave energy. This paper achieves MAI …

Simultaneous single-shot rotation–vibration non-equilibrium thermometry using pure rotational fs/ps CARS coherence beating

TY Chen, N Liu, CJ Kliewer, A Dogariu, E Kolemen… - Optics Letters, 2022 - opg.optica.org
We report the development of a simple and sensitive two-beam hybrid femtosecond/
picosecond pure rotational coherent anti-Stokes Raman scattering (fs/ps CARS) method to …

Resolved rotation–vibration non-equilibrium with rotational VIPA-CARS

SA Steinmetz, TY Chen, BM Goldberg, CM Limbach… - Optics Letters, 2022 - opg.optica.org
Simultaneous rotational and vibrational temperatures are measured in an N_2 plasma with
rotational coherent anti-Stokes Raman scattering (CARS) resolved with a virtually imaged …

Development of a fs/ps CARS system for temperature and species measurements in a dual-mode scramjet combustor

A Kim, CE Dedic, AD Cutler - AIAA SCITECH 2023 Forum, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-1933. vid A femtosecond/
picosecond coherent anti-Stokes Raman scattering (fs/ps CARS) system is developed for …

Velocity match between plasma and flame in microwave-assisted spark ignition

H Wu, Z Wang, X Cheng, J Xu, R Li, X Zhang… - Combustion and …, 2024 - Elsevier
As a prospective ignition technique, microwave-assisted spark ignition (MAI) can accelerate
flame and thus satisfy the demand for effective ignition. However, its acceleration …

Analysis of picosecond coherent anti-Stokes Raman spectra for gas-phase diagnostics

SP Kearney, DK Lauriola, HU Stauffer, P Hsu, N Jiang… - JOSA B, 2023 - opg.optica.org
We present a hybrid frequency-and time-domain solution, applicable to the case of
picosecond coherent anti-Stokes Raman scattering (CARS), for gas-phase diagnostics. A …

An efficient solution of the multi-term multi-harmonic electron Boltzmann equation for use in global models

JE Lynch, TR Sippel, S Subramaniam - Computer Physics Communications, 2024 - Elsevier
Solving the electron Boltzmann equation is an essential but costly step in simulating low-
temperature plasma kinetics. This work addresses the problem by introducing a solution of …

Microwave re-excitation of femtosecond laser tagging for highly flexible velocimetry

F Reinbacher, S Bidwai, JB Michael - Optics Letters, 2024 - opg.optica.org
Molecular tagging velocimetry is typically species specific and limited by excited
state/species lifetimes. We utilize laser-generated ionization, long-lived anions, and a time …