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    • 61. 发明公开
    • 불안정연소를 저감시키는 연료분사장치, 이를 구비하는 비행체 및 연료분사 제어방법
    • 用于降低燃烧不稳定性的燃油喷射器,具有该燃烧喷射的飞行器和燃料喷射控制方法
    • KR1020110082701A
    • 2011-07-20
    • KR1020100002563
    • 2010-01-12
    • 국방과학연구소
    • 황용석최종호최호진윤현걸임진식
    • F02C7/232F23R3/20F23R3/34F02K1/46
    • PURPOSE: A fuel injection device for reducing instable combustion, an aerial vehicle having the same, and a fuel injection control method are provided to stabilize combustion in a recirculation area and to relieve or prevent the vibration of a combustion flame. CONSTITUTION: A fuel injection device for reducing instable combustion comprises: a fuel injection unit(141) producing an air fuel mixture(151) by mixing fuel with influent air, and injecting the air fuel mixture; a flame stabilization unit(142) arranged on an injection path of the air fuel mixture to form a recirculation area of the air fuel mixture to stabilize a combustion flame of the air fuel mixture; and a secondary fuel injection unit injecting secondary fuel to the recirculation area to reduce the vibration of the combustion flame.
    • 目的:提供一种用于减少不稳定燃烧的燃料喷射装置,具有该燃料喷射控制方法的空中飞行器和燃料喷射控制方法,以稳定再循环区域中的燃烧并减轻或防止燃烧火焰的振动。 一种用于减少不稳定燃烧的燃料喷射装置,包括:燃料喷射单元,通过将燃料与流入空气混合而产生空气燃料混合物,并喷射空气燃料混合物; 火焰稳定单元(142),布置在所述空气燃料混合物的喷射路径上,以形成所述空气燃料混合物的再循环区域,以稳定所述空气燃料混合物的燃烧火焰; 以及二次燃料喷射单元,其将二次燃料喷射到再循环区域以减少燃烧火焰的振动。
    • 62. 发明公开
    • 가스 터빈 연소기
    • 气体涡轮搅拌机
    • KR1020100037630A
    • 2010-04-09
    • KR1020107003189
    • 2008-08-26
    • 미츠비시 쥬고교 가부시키가이샤
    • 데라다요시따까고니시데쯔오오마에가쯔요시
    • F23R3/36F23R3/28F02C7/22F23R3/34
    • F23R3/36F23D14/78F23D17/002F23R3/283F23R3/286
    • Provided is a gas turbine combustor of a low cost. A main nozzle (3) for the gas turbine combustor comprises a cylindrical center tube (4) having an oil fuel passage (6), in which an oil fuel flows, a cylindrical outer tube (5) arranged in the outermost circumference, and a support tube (8) arranged between the center tube (4) and the outer tube (5), and those tubes are made independent of one another. The support tube (8) has such an internal diameter as to form a clearance to become an insulating air layer (9) between itself and the outer circumference of the center tube (4). The support tube (8) includes a plurality of supporting portions (8c) formed on the axially upstream side and contacting the inner circumference of the outer tube (5) radially, a plurality of groove portions (7a) formed axially between the supporting portions (8c), and a cylindrical portion (8b) formed on the axially downstream side and having an external diameter equal to or smaller than that of the groove portions (7a). The space, which is formed by the outer tube (5) and the groove portions (7a), and the space, which is formed by the outer tube (5) and the cylindrical portion (8b), are used as the gas fuel passages, in which the gas fuel flows.
    • 提供了一种低成本的燃气轮机燃烧器。 用于燃气轮机燃烧器的主喷嘴(3)包括具有油燃料流动的油燃料通道(6)的圆筒形中心管(4),布置在最外周的圆柱形外管(5) 支撑管(8)布置在中心管(4)和外管(5)之间,并且这些管彼此独立。 支撑管(8)具有这样的内径以形成间隙,以在其自身与中心管(4)的外圆周之间成为绝缘空气层(9)。 支撑管(8)包括形成在轴向上游侧并且径向地与外管(5)的内周接触的多个支撑部分(8c),多个凹槽部分(7a)沿轴向形成在支撑部分 8c)和形成在轴向下游侧并且具有等于或小于槽部(7a)的外径的圆柱形部分(8b)。 由外管(5)和槽部(7a)形成的空间和由外管(5)和圆筒部(8b)形成的空间用作气体燃料通路 ,其中气体燃料流动。
    • 69. 发明公开
    • 다단연소를 이용한 초저 NOx 연소기
    • KR1020170047869A
    • 2017-05-08
    • KR1020150148486
    • 2015-10-26
    • 한국기계연구원
    • 잡반티엔안국영김민국황정재이상민이영덕
    • F23R3/02F23R3/16F23R3/34F23R3/42
    • 본발명은연소기(combustor)에관한것으로, 본발명에따르면, 농후연소(Rich Burn)와희박연소(Lean Burn)에따른연소방식을필요에따라전환하거나병행하여구현할수 없는데 더하여, 배기가스재순환(Flue Gas Recirculation ; FGR)을구현하기위하여추가적인구성을부가하여야함으로인해전체적인구성이복잡해지고비용이증가하는문제점이있었던종래기술의연소기들의문제점을해결하기위해, 다단연소방식으로구성되어단일의연소기에서농후연소(rich burn)와희박연소(lean burn)를선택적으로수행하는것에의해혼합특성을향상시켜 NOx를포함하는공해물질의발생을저감하고, 배기가스재순환(Flue Gas Recirculation ; FGR)을위한별도의구성이필요없이 FGR과같은효과를얻을수 있도록구성되어기존의연소방식에비해 NOx와같은공해물질을더욱저감할수 있는동시에, 적어도둘 이상의연소실중 하나의연소실의형상을벤츄리형태로형성하고, 공기주입구에선회를주는것에의해연소기구조를개선하여혼합특성및 적용의용이성을향상시킬수 있도록구성되는다단연소를이용한초저 NOx 연소기가제공된다.