1) oil-air ratios of extinguish
熄火油气比
2) lean blowout
贫油熄火
1.
By using flame propagation theory,2D two-phase turbulent combustion model,EBU-Arrhenius model,PSI-Cell model and ADINA software,the velocity,temperature and pressure fields at different flight conditions are calculated for an aeroengine when lean blowout occurs in the combustor.
应用火焰传播理论、二维两相紊流燃烧的k-ε模型、EBU-Arrhen ius模型、颗粒群轨道模型和AD INA软件,计算出了某型在研航空发动机在不同飞行状态下的主燃烧室贫油熄火时的流场、温度场和压力场;计算值与试验结果比较吻合,证实了数值模拟的合理性和可行性。
2.
The lean blowout fuel air ratio and flame photo were obtained.
对有两种头部的燃烧室进行了冷态流场的数值模拟,用粒子动态分析仪(PDA)测量了两种头部的速度场和喷雾场,结合慢车工况的贫油熄火试验结果进行了分析。
3.
Experiment results exhibited that the increasing of fuel air ratio in dome had a good effect on fuel-air ratio at lean blowout,and showed that the design was promising with low fuel air ratio at lean blowout and acceptable smoke number.
对有三旋流器的单头部燃烧室进行了燃烧性能的实验研究,进行了慢车工况的贫油熄火过程及大工况的冒烟性能的研究。
3) lean blow-out
贫油熄火
1.
A new high temperature rise combustor design with a three-swirler and hybrid injector to improve the smoke emission and lean blow-out characteristics was presented.
高温升燃烧室头部燃烧组织方案设计,以改善高温升燃烧室的贫油熄火边界及冒烟性能。
4) rich extinction
富油熄火
5) governor shutoff
调速器熄火[断油]
6) 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 。
补充资料：油气比
| 油气比 gas-oil ratio 油井生产时，油和气同时从井中排出，采出每吨原油所带出的天然气体量(立方米)。又称气油比。中国习惯称为油气比。在地下油层条件下，原油中溶解有一定数量的天然气，天然气溶于石油中可以导致石油体积的膨胀，比重和粘度降低，降低流体液柱压力，使油井更易自喷，有利于石油开采。当油层压力(原油的饱和压力)降低到某一界限时，所溶解的天然气开始从原油中逸出。油层压力和油气比是油井自喷能力的主要指标。如油层驱动方式为水压驱动时，在开采过程中，全部气体都呈溶解状态处于石油中，油气比相当于溶解于石油中的气量。 |
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