Dual-rotational-flow inspirator
A technology of injector and double-swirl flow, which is applied in the direction of jet propulsion device, machine/engine, rocket engine device, etc., can solve the problems of insufficient atomization performance of injector, difficulty in ignition and flame stability of gas generator, etc., and achieve Strong anti-ablation ability, low manufacturing cost, and good atomization performance
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[0056] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in a variety of different ways defined and covered by the claims.
[0057] 1. Single nozzle and double swirl injector
[0058] The first preferred embodiment of the present invention is a single-nozzle dual-swirl injector, see for details Picture 12 . When the liquid fuel flow is small, that is, the liquid fuel flow is less than 400g / s, the single nozzle configuration is adopted; the single nozzle configuration is gas-liquid coaxial, which is beneficial to the spray atomization performance of non-volatile fuels such as kerosene, and the coaxial arrangement The gas cyclone forms a low-speed recirculation zone, which is beneficial to the flame stability of the combustion chamber.
[0059] The injector includes a top cover 1, a centrifugal nozzle 2, an upper bottom 3, a midsole 4, a gas cyclone 5, an injector cavity...
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