基于引射旋流器的驻涡燃烧室燃烧特性研究

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中图分类号：TK16 文献标志码：B 文章编号：1671-5276（2025）03-0057-05

Research of Trapped Vortex Combustor Based on Ejection Swirler

GONG Cheng，LI Wenyu，HAO Yan， ZHAO Shufan，QIU Ming （China AerodynamicsResearch and Development Center，Mianyang 621O51，China）

Abstract：Inordertoexpandtheflamestabilizationscopeof trappedvortexcombustor（TVC），thepaperstudies thefectofa newejectionswirlerontheperformanceofswirltrappedvortexcombustor.Theradialejectionslotisinstalledattheoutletof the swirlertoenhancethemasstransferbetween the primarycombustion stageandmaincombustionstage.Thenumericalsimulation resuts showthattheradial V-shaped ejectionslothasan efecton hightemperature gas division for primarycombustion stage， andtheuniquestructureoftheejectionswirlerisconducive to themixing ofoilgas of maincombustion stageandhigh temperaturegasofprimarycombustion.Whenonlyprimarycombustionstageissuppliedwithoil，theevidenthightemperature zoneofrearejectionswirlercansignificantlyimprovetheflamestabilization，which indicatesthattheejection TVChaseven betercombustion featuresindiferentworkingconditions.Atlowspeedflowintake，comparedwithconventionalTVC，the efficiency is increased by 21.81% ，and the high speed air intake efficiency is increased by 11.89%

Keywords：trapped vortex；ejection swirler；combustor；numerical simulation；combustion effciency

0 引言

1高通流驻涡旋流燃烧室

驻涡燃烧室作为新一代具有军用前景的火焰稳定性能良好的燃烧室[1-4]，其主燃级油气混合差、驻留时间短、火焰偏长等缺陷导致其未广泛运用[5]。（剩余6827字）