基于引射旋流器的駐渦燃燒室燃燒特性研究

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中圖分類號(hào)：TK16 文獻(xiàn)標(biāo)志碼：B 文章編號(hào)：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高通流駐渦旋流燃燒室

駐渦燃燒室作為新一代具有軍用前景的火焰穩(wěn)定性能良好的燃燒室[1-4]，其主燃級(jí)油氣混合差、駐留時(shí)間短、火焰偏長(zhǎng)等缺陷導(dǎo)致其未廣泛運(yùn)用[5]。（剩余6827字）