Compact microwave re-entrant cavity applicator for plasma-assisted combustion
- Department of Electrical and Computer Engineering, Michigan State University, East Lansing, Michigan 48824 (United States)
- Department of Mechanical Engineering, Michigan State University, East Lansing, Michigan 48824 (United States)
The design and experimental operation of a compact microwave/rf applicator is described. This applicator operates at atmospheric pressure and couples electromagnetic energy into a premixed CH{sub 4}/O{sub 2} flame. The addition of only 2-15 W of microwave power to a premixed combustion flame with a flame power of 10-40 W serves to extend the flammability limits for fuel lean conditions, increases the flame length and intensity, and increases the number density and mixture of excited radical species in the flame vicinity. The downstream gas temperature also increases. Optical emission spectroscopy measurements show gas rotational temperatures in the range of 2500-3600 K. At the higher input power of {>=}10 W microplasma discharges can be produced in the high electric field region of the applicator.
- OSTI ID:
- 22053561
- Journal Information:
- Review of Scientific Instruments, Vol. 80, Issue 5; Other Information: (c) 2009 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0034-6748
- Country of Publication:
- United States
- Language:
- English
Similar Records
Flow and combustion characteristics of a two dimensional spouted bed
Advanced Combustion Systems for Next Generation Gas Turbines