1) loss of ignition
点火失效，熄火
2) Ignition failure
点火失效
3) ignition and blowout limits
点火熄火边界
1.
A uniform and a local rich fueling designs of dome have been made,and tests for comparing the influence of the two designs on combustor lean ignition and blowout limits have also been carried out in an experimental annular combustor.
介绍了燃烧室主燃区设计中熄火特性与综合性能间的折衷考虑,设计了火焰筒头部均匀供油和局部富油供油方案,并在全环试验燃烧室上进行了两种方案对燃烧室贫油点火熄火边界影响的对比试验,分析和总结了火焰筒头部局部富油设计方案的点火熄火规律。
4) Kindle not a fire that you cannot extinguish.
不能熄火休点火。
5) extinction
[英][ɪk'stɪŋkʃn] [美][ɪk'stɪŋkʃən]
熄火
1.
The assumption of unity Lewis number in the flamelet model of turbulent combustion is examined and the influence of differential diffusion and radiation on the flamelet structure, nitric oxide emission and extinction limit is investigated.
对拉伸层流扩散火焰面进行了数值模拟,考察了在以往湍流燃烧的火焰面模型中,假定Lewis数等于1的可靠性,研究了不同分子扩散和火焰辐射对火焰面结构、氮氧化物排放和熄火临界的影响。
2.
In a pilot scale reverse flow reactor with a liter of catalyst, catalytic combustion of typical industrial waste gas contaminated with volatile aromatic compounds (VOC) was systematically investigated, and the "temperature run-away"in the case of too high feed concentration and the "extinction of reactor" in the case of low feed concentration were observed.
在流向变换催化燃烧小型中试装置上利用国产催化剂进行了含混合芳烃模拟工业废气的净化试验 ,重点考察了挥发性有机物 (VOCs)能够通过调整换向周期在既不“飞温”也不“熄火”的条件下保持很高的VOCs转化率的浓度变化范围 ,初步观察了由于VOCs浓度过高或过低所引起的“飞温”或“熄火”过
3.
Using the digital image processing technique and the laser tomography technique, a novel approach based on the turbulent intermittence was proposed here to describe the extinction process of turbulent flame.
对模型与试验中获得的临界熄火现象进行了对比 ,结果令人满意 。
6) extinguishment
[英][iks'tiŋgwiʃmənt] [美][ɪk'stɪŋgwɪʃmənt]
熄火
1.
The quenched samples of GAP/AN propellant after combustion extinguishment were obtained by a new quenching method.
采用一种新的方法得到中止燃烧以后的熄火样品 ,利用扫描电子显微镜和能谱分析研究了 GAP/AN推进剂熄火表面的结构和形貌。
2.
Only in this year,extinguishment has occurred several times,especially for a DG 670/140-8 boiler, DCS data recorded showed some phenomena not encountered before when it extinguished.
镇海发电厂一台DG 670/140-8锅炉在2005年7月12日发生的一次熄火事故,指出原因在于煤种与炉型的严重不匹配,造成2号角上一次风管内发生爆燃,并产生一次风管堵管的假象。
补充资料：催化点火
分子式：
CAS号：
性质：在催化反应器中，利用电热丝加热以点燃催化剂层，称为催化点火。如在乙醇氧化制乙醛时，为使电解银催化剂升温至550～630℃开始反应所进行的点火处理。点火圈安装在催化剂上表面约3～5cm处，点火时，电热丝因通电发红，进入反应器的原料气在电热丝上不完全燃烧产生蓝色火苗，逐渐使催化剂均匀受热，加热到一定温度后，原料气直接在催化剂上反应，此时可切断电热丝电源，催化层已被点燃。
CAS号：
性质：在催化反应器中，利用电热丝加热以点燃催化剂层，称为催化点火。如在乙醇氧化制乙醛时，为使电解银催化剂升温至550～630℃开始反应所进行的点火处理。点火圈安装在催化剂上表面约3～5cm处，点火时，电热丝因通电发红，进入反应器的原料气在电热丝上不完全燃烧产生蓝色火苗，逐渐使催化剂均匀受热，加热到一定温度后，原料气直接在催化剂上反应，此时可切断电热丝电源，催化层已被点燃。
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