Tunable pulse combustor

Details Tunable pulse combustor Tunable pulse combustor

1990-03-14

1991-05-14

Favors, Edward G.

Combustion

Combustion bursts or flare-ups in pulses or serial pattern

122 24, 432 58, F23C 1104

Patent

active

050151711

ABSTRACT:
An improved flame holder based tunable pulse combustor, and a processing system employing same. The processing system is for thermal, chemical, and physical processes which employ natural acoustic modes in a processing chamber to enhance the processing. An acoustically resonant processing chamber is provided as the processing vessel. A frequency tunable pulse combustor comprising a flame holder is positioned to excite natural acoustic modes in the processing chamber. Material introduced into the processing chamber is thereby subjected to acoustic pulsations while the material is being processed. The acoustic excitations in the system result in improved moisture removal and particle heating. Also disclosed are various embodiments of frequency and amplitude tunable pulse combustors which may be employed to excite the natural acoustic modes in the processing chamber, including axially translatable acoustic decoupler and flame holder configurations.

REFERENCES:
patent: 3276505 (1966-10-01), Huber et al.
patent: 4640674 (1987-02-01), Kitchen

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