Method and apparatus for intermittent combustion

Details Method and apparatus for intermittent combustion Method and apparatus for intermittent combustion

1975-04-16

1976-05-04

Favors, Edward G.

Combustion

Combustion bursts or flare-ups in pulses or serial pattern

60 3977, F23C 302

Patent

active

039543803

ABSTRACT:
A pulse-action detonation combustion chamber enables the speed-, temperature- and pressure-modulated flow of the combustion products at a peak temperature of up to 4000.degree.C, pressure up to 30 atm and speed up to 1000 m/s with a repetition frequency of impulses of up to 100 c/s. The combustion chamber comprises a combustion chamber proper is in the form of a tube closed at one end, manifolds are provided for the supply of fuel, oxidizer and a non-combustible material respectively, an ignition arrangement and means for cooling the fuel and oxidizer supply manifolds. The chamber can be filled with fuel in an amount sufficient to develop detonation due to the measures preventing the fuel from being prematurely ignited. Such premature ignition may take place because of the contact of the fresh fuel with the hot combustion products expelled by such fuel. The prevention of the premature ignition is achieved due to the formation of a zone of a cooled non-combustible material separating the fresh fuel from the combustion products of the preceding detonation combustion cycle.

REFERENCES:
patent: 2911957 (1959-11-01), Kumm
patent: 3143160 (1964-08-01), Rydberg
patent: 3263418 (1966-08-01), Lange et al.
patent: 3449913 (1969-06-01), Grebe

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