可变几何燃烧室技术发展

摘要

对航空发动机可变几何燃烧室的研究状况进行了总结,燃烧室中可变几何结构包括气流分配器、旋流器、掺混孔、火焰稳定器等.可变几何的概念提供了一种灵活控制燃烧室内部气流分配的可能性,为减少发动机尾气排放、提高燃烧效率、保持燃烧室工作的稳定性和可靠性提供了新的突破点.%The research status of variable geometry combustion chamber at home and abroad is summarized in this article.The structure of variable geometry in combustion chamber includes air splitter,swirler,dilution hole and flame stabilizer.The concept of variable geometry provides a flexible control of the possibility of internal airflow distribution in the combustion chamber,providing new breakthroughs in reducing engine exhaust emissions,improving combustion efficiency,and maintaining stable and reliable combustion chamber operation.