Hypersonic efficient mixing spray pipe

Abstract

The invention relates to a hypersonic efficient mixing spray pipe, which comprises a hypersonic oxidant spray pipe 1, periodically-arranged vanes 2 and a fuel spray pipe array 3, wherein a primary gas flow expands and accelerates through a molded surface of the hypersonic oxidant spray pipe 1 and is subjected to rectification and guidance through the periodically-arranged vanes 2, a secondary gas flow is sprayed via the fuel spray pipe array 3 at exit positions of the hypersonic oxidant spray pipe 1, the primary gas flow and the secondary gas flow are efficiently mixed to generate laser light-emitting medium along with a chemical pump reaction, and laser is extracted through a resonant cavity. The hypersonic efficient mixing spray pipe has the advantages that the hypersonic oxidant spray pipe is simple in processing, the hypersonic oxidant spray pipe is subjected to infinitesimal processing through the periodically-arranged vanes and the fuel spray pipe array, and the mixing efficiency improved.

Description

technical field [0001] The invention belongs to the field of chemical laser devices, in particular to a hypersonic high-efficiency mixing nozzle used for combustion-driven hydrogen fluoride or deuterium fluoride chemical lasers. Background technique [0002] The hydrogen fluoride or deuterium fluoride chemical laser is mainly composed of a fluorine atom generator (also called a combustion chamber), a hypersonic mixing nozzle, an optical cavity and a vacuum system. The rationale is: [0003] Chemical combustion produces fluorine atoms [0004] NF 3 +D 2 →F+DF+N 2 +NF(NF 2 ) [0005] pump reaction [0006] F+H 2 →HF(v)+H v=1-4 [0007] lasing laser [0008] HF(υ)+hv→HF+2hv [0009] This is accompanied by the energy transfer reaction and dissociation recombination reaction, as well as the reaction equations of the quenching and relaxation processes, which will not be described here. [0010] Fluorine atoms are produced by high-temperature pyrolysis of fluorine compo...

AI Technical Summary

Problems solved by technology

Therefore, the throat of the hypersonic nozzle should not be large or small. If the throat is too large, the mixing effect will not be good. If the throat is too small, it will be easily blocked and deformed, which will affect the working performance.

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