2) cavity flame holders
凹槽火焰稳定器
3) Flame holder
火焰稳定器
1.
An experimental study on initial spray field of edge blowing mixture curtain(EBMC) flame holder was conducted using a particle dynamics analyzer(PDA).
利用激光测雾仪(PDA)对尾缘吹气式火焰稳定器尾缘出口的初始雾化场进行了实验研究,在静止空气中测量了尾缘出口下游不同截面上的各点处的液滴直径、速度等参数,分析了雾化场结构,初步探讨了初始雾化场的特征。
2.
Experimental investigation on the drag of cavity flame holder was conducted by force measurement system.
6 kPa来流,采用等截面燃烧室构型,利用推力测量系统对不同结构尺寸的开式凹腔火焰稳定器的冷流阻力和热试阻力进行了研究。
3.
The results also showed that flow velocity of combustor and installation scheme of flame holders will extremely affect the ignition delay or occurring position of ignition.
3kPa条件下,采用高速摄影和连续激光高速纹影对等截面型开窗燃烧室内氢气射流自燃过程、火花塞点燃氢气过程和引导氢气火焰点燃煤油过程进行了观测,获得了燃烧室内着火过程中火焰和流场波系结构的动态演化过程;观察到了初始火焰区首先起始于燃烧室下游,并逆流传播实现发动机着火的过程;分析表明燃料能否着火、以及着火位置与燃料着火时间、燃烧室流速和火焰稳定器安装情况相关,多火焰稳定区延长了燃料驻留时间,使燃料更容易着火。
4) flameholder
火焰稳定器
1.
The detailed near-wake flow behind the EBMC flameholder and V-gutter flameholder was measured by using 2D cross-correlation on-line PIV in a low speed wind tunnel.
本文在低速风洞中 ,利用在线式互相关 PIV ( Particle Image Velocimetry)系统 ,对尾缘吹气式火焰稳定器及 V型火焰稳定器的近尾迹流动进行了测量 ,在瞬态场尾流结构分析的基础上 ,提出了稳焰机理的非定常观点 ,探讨了近尾迹流动结构中旋涡的交替生成和脱落在火焰稳定过程中起了重要的作用。
2.
Whether the slitted bluff body can be successfully used as flameholder in aircraft afterburner or not depends on its drag and flameholding ability, which requires less drag and better flame stabilization at high temperature and high speed.
在雷诺数Re 为470000 条件下利用RNG k–ε模型对开缝三角形钝体和不同V 形钝体火焰稳定器的尾迹进行数值模拟。
5) flame-holder
火焰稳定器
1.
Numerical optimization study on flame-holder layout for a ramjet combustor
某型冲压燃烧室火焰稳定器布局数值优化研究
2.
In order to investigate the performance of special evaporating V-gutterflame-holder at low pressure, ignition and flame stability of mixed gas at two phase was studied to dis-cover its wide rich, lean flameout when main stream velocity reached 90 m/s and the pressure was0.
飞机高空飞行时,加力燃烧室的进口压力降低,导致燃烧性能恶化,为了研究特种V型蒸发式火焰稳定器的低压性能,在主流速度为90m/s时,分别对压力为0。
6) annular flame holders
环形火焰稳定器
补充资料:凹模壁厚及凹模垫板尺寸
型腔壁部投影面积 壁 厚, 毫 米
F, 厘米2 h1 h2 h3 h4 h5
<5 15~20 30~40 <=10 15~20 30~40
>5~10 20~25 40~50 10~15 20~25 40~55
>10~50 20~30 50~60 15~20 20~30 55~65
>50~100 30~35 60~75 20~25 30~40 65~70
>100~200 35~40 75~85 25~30 40~50 70~75
>200 >40 >85 30~35 50~60 >80
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条