Rotary detonation combustion chamber injection structure for restraining pressure back propagation and rotary detonation turbine engine

• Main Authors: SU LIANGJUN, LUO YUXI, ZHAO ZHIYUAN, HAN JIAJUN, GUAN CHEN, WAN CHENXIN, KANG GYEONG-WOO, WEN FENGBO
• Format: Patent
• Language: Chinese; English
• Published: 27.02.2024
• Subjects: BLASTING; COMBUSTION APPARATUS; COMBUSTION PROCESSES; GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS; HEATING; LIGHTING; MECHANICAL ENGINEERING; WEAPONS

The invention relates to the technical field of air suction type rotary detonation turbine engines, in particular to a rotary detonation combustion chamber injection structure for restraining pressure back propagation, which comprises a combustion chamber, a rotary detonation engine and a rotary detonation engine, the Laval injection channel is arranged at one end of the combustion chamber, the Laval injection channel comprises a plurality of groove bodies, and the groove bodies are obliquely arranged relative to the axis where the combustion chamber is located; the air injection cavity is formed in the end, away from the combustion chamber, of the Laval injection channel; the storage channel and the inner wall of the combustion chamber are arranged in a spaced mode, fuel is arranged in the storage channel, and a plurality of fuel injection holes are formed between the storage channel and the combustion chamber. The Laval injection channel is arranged at one end of the combustion chamber, and meanwhile the gr