Power plants – Reaction motor – Liquid oxidizer
Patent
1995-09-29
1998-06-23
Freay, Charles G.
Power plants
Reaction motor
Liquid oxidizer
60749, 110322, F02K 310
Patent
active
057688869
ABSTRACT:
This invention is a twin-plate flameholder for an afterburner and reheater of jet engines as well as for industrial burners and incinerators. The flameholder features two plates with a certain overlap and a slit at the overlap portion. A small portion of the air and fuel flows through the slit between the two plates and results in a significant modification in the aerodynamic flow structure and local fuel distribution to enhances the capability of flameholding. Hence the performance of the flameholder is much better than conventional ones in terms of combustion efficiency, flame ignition, blowout limits, and operation range of the combustion devices. The inclined angle of the twin-plate flameholder can be adjusted by a turning mechanism to adjust the inclined angle of the twin-plate flameholder 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 ash or incidental clog.
REFERENCES:
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patent: 3765178 (1973-10-01), Hufnagel et al.
patent: 4072008 (1978-02-01), Kenworthy et al.
patent: 4592200 (1986-06-01), Benoist et al.
patent: 4730453 (1988-03-01), Benoist et al.
patent: 4751815 (1988-06-01), Moore
Lai Wei-Hsiang
Wang Muh-Rong
Freay Charles G.
National Science Council
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