燃烧区
- 名combustion zone;combustion region
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基于渣油气化炉冷态流场测试与停留时间分布测试以及工业现象,提出了渣油气化的三区模型,即燃烧区、回流区、二次反应区。
A 3-region model for residual oil gasifier is suggested . This model is based on the test and measurement of jetting velocity and residence time distribution as well as commercial operation . The three regions are combustion region , secondary reaction region , and recirculation chemical reaction region .
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平焰燃烧主要燃烧区冷态轴向速度场的PIV研究
PIV research on axial speed field in flat-flame burning leading combustion region of cold model test
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N2O的脱除随一级燃烧区过量空气系数的增大而增大。
The N_2O reduction efficiency increased as the excess air ratio increases in the primary combustion zone .
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试验发现,随再燃比的增加和再燃区过量空气系数的减少,CO和N2O的脱除效果增强;过高或过低的一级燃烧区过量空气系数均不利于CO的脱除;
It is found that CO and N_2O reductions increased with increase in the reburn fuel fraction and decrease in the reburn zone excess air ratio .
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利用TM图像,结合区域实测、地质和区域能源分布资料,分析了煤田煤层自燃的光谱特征,对煤田地火燃烧区进行定位;
According to the TM image in Baicheng of Xinjiang as well as the information of geology and mineral resources , the coal self-combustion zone in the Baicheng coalfield was delineated .
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煤层上部烟气中的SO2浓度沿炉排移动方向亦先升高后降低,在炉排中部剧烈燃烧区达到最大。
The SO2 concentration in the combustion gas above the coal bed also firstly rises , thendeclines along the traveling grate and reaches maximum near the midpoint of the grate .
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为了使负荷变化过程中加热炉内空气过剩系数Bu保持在最佳燃烧区范围内,先后产生了多种交叉制约方案。
There have been some cross limit control methods to hold the air-fule ratio in the optimum area when the load of heat furnace changes abruptly .
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主燃烧区氧浓度较低,在靠近喷口不远处氧气就会耗尽,而炉内CO浓度较高,有利于降低氮氧化物的生成。
The concentration of oxygen in the main combustion zone is quite low , and it is consumed entirely quite close to the nozzles , in addition , concentration of carbon monoxide is quite high , both are favorable for lowering the production of NOx .
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Culick教授物理模型的基础上,考虑了燃烧区边界的移动。
Culick , but the motion of the Combustion Zone boundary is considered .
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以及各层二次风份额(R2i%)及悬浮空间燃烧区(FCZ)的温度分布与炉内N2O浓度分布的关系。
We also studied the relationship between the N_2O concentration distribution and every layer 's secondary air ratio ( R_ 2i % ) and the temperature distribution in FCZ .
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稳定燃烧区的最小发热率约为0.5W;
The minimal total heat release rate is about 0.5 W in the stable flame zone ;
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利用热力学方法研究了天然气自热式催化转化反应,确定了以CH4/H2O/O2为原料的情况下,自热反应进行的必要条件及计算方法,同时建立了燃烧区温度(TB)的计算方法。
By studying the autothermic catalytic reforming of natural gas based on thermodynamics , the necessary conditions and computing method of the autothermic reaction can be gained , and the computing method of the temperature of burning zone ( T B ) in the reactor is set up .
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将焚烧炉划分为加热干燥区、热解区、残炭燃烧区、挥发分燃烧区、辐射传热区,使建立的热力模型比Essenhigh模型更接近实际过程。
Some fields , such as drying by heating , devolatilization , char burning , volatiles burning , radiative heat transfer were divided in waste incinerator , thus making thermodynamic model more approaching to the actual process than Essenhigh model .
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圆筒加热炉燃烧区内管壁过热点的定位研究
Study on Orientation of Combustion Hot Spot for Fired Cylindrical Furnace
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矿井火灾燃烧区热阻力的研究
Study on Thermal Drag in the Combustion Zone of Mine Fire
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自热转化工艺燃烧区热力学探讨
Research of Thermodynamics on the Burning Chamber of Auto - thermal Reforming
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对煤田高温燃烧区灭火方法及灭火工程的验收程序效果提出了合理化建议。
Put forward rationalization proposals on fire-fighting methods and a fire-fighting engineering acceptance procedure .
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研究发现,主燃烧区的模化是网络模型建立的关键。
It is found in the work that the models for the primary combustion zone are important .
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速燃期内高温富碳燃烧区的形状与着火前一时刻喷雾场的形状相吻合;
The shape of rich soot combustion area at high temperature coincides with the share of spray area before ignition .
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燃烧区的温度最高,温度梯度大;
In the process of combustion , the temperature in the burned area is higher than that in the unburned area .
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火灾规模大小、燃烧区与水雾喷嘴的相对位置变化对灭火效果的影响,都可以归结为喷雾强度作用的结果。
The influences of fire scale and nozzles position on fire extinguishing performance may be summed up in effect of spray intensity .
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燃料物流通过至少一个燃烧区内与氧化剂喷入侧相邻的燃料喷入侧喷入。
A fuel stream is injected through at least one fuel injection side adjacent to the oxidant injection side in the combustion zone .
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本文算出了不同大小的雨滴的下落过程,并能估计出多大的雨滴可落入燃烧区。
It can determine the drop process of different kindsraindrop size and can estimate the raindrop size which can fall into the fire region .
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在燃烧区沿气化工作面移动的基础上,建立了周期性简谐式波动的气化炉温度场。
On the basis of the burning area moving along the gasification working face , the simple harmonic temperature field in gasification stove is established .
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建立了一个考虑燃烧区的管式固体氧化物燃料电池数学模型。
A model was developed to simulate the operation of a tubular solid oxide fuel cell with combustion zone at the steady and transient operation states .
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一个人的心跳率在一定的范围内,可以更快速减肥。这个范围叫”脂肪燃烧区“。这是个颇具争议的话题。
The highly disputed " fat burning zone " refers to the target heart rate range that is supposed to help a person lose weight faster .
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实验结果表明,三区流化床改为双区方案是可行的,在原三区的基础上适当提高流化指数可满足燃烧区和气化区热交换的要求,且能减少煤气和烟气的掺混;
Experiments showed that it is feasible to reform three areas in fluidized bed to both areas , which is helpful to operating and decreasing the investment of fluidized bed .
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一般可分为燃烧区、新鲜空气补充区、烟气流区、过渡区和火焰后面的惰化区五区。
The fire zones are generally divided into five zones : flame zone , high temperature thermal plumes zone , fresh air supplement zone , transitional zone and " inert zone " .
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在细水雾作用于固体火灾过程中,由于细水雾对火灾核心燃烧区的窒息作用,氧气含量相对不足,燃烧不充分,燃烧生成物中含有较多的一氧化碳,但一氧化碳含量在安全界限以下。
Combustion products contain more carbon monoxide in the process of fire suppression as water mist has asphyctic effect on the core of fire combustion zone which burns inadequately without enough oxygen .
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指出随着炭黑含量的增加,推进剂燃速也增加,平台或麦撒燃烧区向高压移动;
It is shown that with the content of CB raised , the burning rate of the propellant is increased and their plateau ( or mesa ) zone translate into higher pressure ;