Impact of product gas composition on vibrational excitation and relaxation of N2, O2, and CO2 in pulsed microwave flame plasmas

Key Points

• Vibrational excitation and relaxation dynamics vary significantly with gas composition in flame plasmas, impacting overall efficiency.
• Analysis of N2, O2, and CO2 under pulsed microwave conditions shows that vibrational energies are influenced by specific molecular interactions.
• The study employs a molecular dynamics approach, utilizing computational simulations to illustrate energy transfer processes in plasmas.
• Results support the need for optimized gas compositions to enhance energy transfer in industrial applications of flame plasmas.