Power plants – Reaction motor – Liquid oxidizer
Patent
1997-10-31
1999-08-24
Freay, Charles G.
Power plants
Reaction motor
Liquid oxidizer
60749, 110322, F02K 310
Patent
active
059410639
ABSTRACT:
This is to claim the invention of the twin-plate flameholders that can be applied to the afterburner and reheater of the jet engines as well as the industrial burners and incinerators. The claimed flameholder features a certain overlap between the two plates and a slit at the overlap portion. It turns out that a small portion of the air and fuel flows through the slit between the two plates will result in significant modification in the aerodynamic flow structure and local fuel distribution to enhance the capability of flameholding. Hence the performance of the claimed FLAMEHOLDER is much better than the conventional ones in terms of the combustion efficiency, flame ignition and blowout limits, and operation range of the combustion devices. The inclined angle of the twin-plate flameholder can be adjusted by a turning mechanism, this provides the benefit to adjust the inclined angle of the twin-plate flameholders under different operation conditions. Furthermore, a series of the twin-plate flameholders can be linked together with a control mechanism so that these flameholders can be rotated in the same or opposite direction. Finally, the claimed mechanism can be utilized in the industrial burners and incinerators to enhance their combustion performance and to discharge the ash or incidental clog.
REFERENCES:
patent: 2908136 (1959-10-01), Arnoldi
patent: 2911791 (1959-11-01), Blackman, Jr. et al.
patent: 4802337 (1989-02-01), Caruel
patent: 5768886 (1998-06-01), Wang et al.
Lai Wei-Hsiang
Wang Muh-Rong
Freay Charles G.
National Science Council
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