The mixing of fuel particles especially in the dense zone of CFB has a great effect on combustion .

循环流化床（CFB）床内燃料颗粒的扩散、混和，特别是复杂的密相 区 内的混和特性在很大程度上影响了 燃烧状况。

Study on compartmentalizing danger zone of coal spontaneous combustion at 2268 working face of Shizuishan No.2 Mine

石嘴山二矿2268综放采空 区 自燃危险 区域划分研究

The reflected spray distributes at squish zone and concave zone of combustion chamber big swirl of spray is obtained and expand to more domains .

反射后的油束分布在 燃烧室的挤流区和凹坑 区，形成大的油束涡流，并向较大范围扩展。

The highest soot formation rate appears at the circumferential swirl zone in the first combustion chamber and the high temperature zone in the upper half of the second combustion chamber .

一级 燃烧室的周向涡区和二级 燃烧室上半部的高温 区是Soot生成速率最大的部位；

In order to examine the effect of flow field within the recirculation zone on flame structure the characteristic velocity fields of methane / humid air flame in non-premixed combustion behind a disc bluff-body burner were experimentally studied by particle image velocimetry ( PIV ) .

为了寻找特性速度对火焰结构的规律性影响，使用粒子图像速度仪（PIV）测量圆盘形钝体后甲烷/湿空气非预混 火焰的回流 区速度场，得到火焰的平均速度场分布。

Combined with coal characteristics in goaf of fully mechanized top-coal caving determinant criteria and methods of hazard zone in goaf are determined by theory of coal spontaneous combustion zone .

本论文结合综放面采空区浮煤自然发火的特点，运用煤 自燃危险区域判定理论，确定了采空区自燃危险 区域的判定条件和方法步骤。

Methods to define the laneways loose zone of thick coal seam with enriched gas and spontaneous combustion is studied in the article and define the rational the length of sealed borehole .

研究了铜川矿务局下石节煤矿高瓦斯油气共生易 自燃厚煤层巷道松 动圈 的 范围，确定合理封孔长度。

Afterfiring zone Effects of Fuel Injection Timing and Combustion Chamber Geometry on Combustion Process and Emissions of Diesel Engine

（ 带式烧结机的）后烧 段喷油定时和 燃烧室形状对柴油机燃烧及排放的影响

The combustion control system is designed for heating zone . The design of double - cross amplitude limited is compared with normal serial combustion control in operation principle .

5对于控制系统中最重要的加热 段燃烧控制，设计了双交叉限幅燃烧控制系统，同传统串级比值 燃烧控制做了对比，并分析工作原理。

Numerical solutions for retouchment length and velocity-distributions-were obtained in the recirculating zone of the combustion chambers .

得到了 燃烧室内回流 区再附长度及速度分布的数值解。

When the burner is fitted with 8 inner secondary air blades there is no recirculation zone and the expansion angle is between 61.9 ° and 69.5 ° . This condition is unfavorable to the achievement of a stable combustion .

在具有8个内二次风叶片时，没有回流 区，扩展角在61.9°和69.5°之间，不利于稳定 燃烧。

Small change of α of main zone α of reburning zone and reburning fuel ratio affects UBC little through it affects combustion process .

主燃 区过量空气系数、再燃区过量空气系数和再燃燃料比例在小范围内变化虽然影响到 颗粒 的 燃烧 放热过程，但对飞灰含碳量的影响不大。

The results show that the fields of temperature and flow which take place in the tuyere zone of BF are beneficial to the pulverized coal combustion and the higher oxygen concentration is good for the earlier ignition and higher burn-out rate of pulverized coal .

结果表明，高炉风口产生的回旋 区流场及温度场有利于煤粉的 燃烧，而氧浓度大则有利于煤粉较早着火及较高的燃烬率。

Temperature distributions in the combustion zone are measured with thermocouples furthermore the influences of mixture speed and equivalence ratio on the combustion wave speed and the maximum combustion temperature in the packed bed are discussed .

通过热电偶测量燃烧 区的温度分布，讨论混合气流量和当量比对填充床内 燃烧波的传播速度和最高温度的影响。

By contrast we find that the length of recirculation zone is diminished appreciably on the humid air combustion condition . The flow velocities in the air main flows zone in the humid air combustion are lower than that of in no-humid air combustion .

通过对比分析发现加湿燃烧情况下回流区的长度减小：加湿燃烧空气主流 区的流动速度比不加湿 燃烧 的速度低；

When gob permeability is one even distribution zone quantity of air leakage is small and spontaneous combustion zone is close to the working face .

当渗透率均匀分布时 漏风量小， 自燃带靠近工作面。

In this paper a formula for calculating the combustion fraction in the fluidization zone has been derived on the principle of thermal equilibrium in the fluidization zone and the influence of the combustion fraction on heated surfaces in the fluidization zone has been analyzed .

本文根据沸腾 层热量平衡，导出沸腾 层 燃烧份额计算式，并分析了燃烧份额对沸腾层受热面的影响。

Based on heat balance in dense phase zone the relation of the circulation ratio . cycle ash temperature and combustion portion was calculated .

在密相 区热平衡基础上.对循环倍率、循环灰温度与 燃烧份额之间所关联的计算。

Methods to Define Laneways Loose Zone of Tick Coal Seam with Enriched Gas and Spontaneous Combustion Easy Money

高瓦斯油气共生易 自燃厚煤层巷道松动 圈范围的确定