Excess air ratio

A Study on the Characteristics of a Fuel Cell Engine with Different Excess Air Ratio

过量空气系数对燃料电池发动机输出特性的影响

The thermal efficiency will significantly increase with reduce of the excess air ratio .

降低过量空气系数，可有效提高取暖炉的热效率。

A method for determining excess air ratio and combustion efficiency with gas analysis

测定α和η的燃气分析计算法

Model Practice of Optimized Performances of Hydrogen Engine by Controlled Excess Air Ratio

最佳过量空气系数优化控制氢发动机性能的建模实现

Research of Excess Air Ratio of Sequential Injection CNG Engine

电控顺序喷射CNG发动机过量空气系数研究

Comparison of Calculation Formulas for Excess Air Ratio

过剩空气系数计算公式的比较

By thermal balance test , we make research on function relations between the thermal efficiency and the excess air ratio .

通过热平衡试验研究取暖炉热效率与过量空气系数的函数关系。

Both to add secondary air and to keep excess air ratio 1.1 can decrease NOx generation .

二次风的通入，过量空气系数保持在1.1都能降低NOx的产生。

In the same load , swirl intensity does not vary with excess air ratio changes .

在相同负荷下，旋流强度不随过量空气系数的改变而变化。

The N_2O reduction efficiency increased as the excess air ratio increases in the primary combustion zone .

N2O的脱除随一级燃烧区过量空气系数的增大而增大。

The best excess air ratio for the first firing cycle should be controlled within the transitional range .

NO瞬态排放随循环缸压在稀燃、过渡和浓燃区呈现出不同的变化规律，首循环最佳过量空气系数应控制在过渡区域。

The effects of environment temperature , excess air ratio , storage battery voltage on start speed and emissions are studied .

研究了环境温度，过量空气系数，蓄电池电压，点火提前角对单循环冷起动时，起动转速和排放的影响。

A new concept of achieving high temperature air by circulating fluidized bed combustion at high excess air ratio was proposed .

提出了借助循环流化床在高过剩空气系数下燃烧的技术提供高温空气的新构思。

With the increase of excess air ratio , the emissions of NO_x and N_2O increase .

随着空气过剩系数的增加，NOx和N2O的排放质量浓度均呈增加趋势；

Adopting high temperature of combustion air and relative large excess air ratio is an appropriate combustion mode for the furnace .

采用高温助燃空气和较大的过剩空气系数是一种较好的燃烧方式。

It shows that the excess air ratio should be as small as possible under the condition of reaching emission standards .

文章还详细分析了过量空气系数对热效率的影响，表明过量空气系数必须在保证排放达标的前提下尽可能的小。

The engine economical lean mixture range is extended , the engine operates normally at excess air ratio of 1.3 ;

发动机经济稀混合气区域加宽，能够燃烧过量空气系数为1.3的稀混合气；

The suggestions on increasing exergy efficiency of heater effectively controlling the excess air ratio and selecting heating agent are put forward .

根据分析结果，对提高加热炉（火用）效率、加强热媒炉过量空气系数控制及热媒的选择提出了建议。

Thesis did not illustrate and calculate the economic index directly , and had the amended excess air ratio to supervise combustion .

该部分内容没有对经济性进行直接的论述和计算，而是通过煤质修正的空气过量系数这个中间参数实现对锅炉经济燃烧的指导。

When the temperature is 700 ℃ and the excess air ratio is 0.6 , the yield of smoke is decreased to about 10 % .

反应高于700℃，PVC流化床气化生烟量明显减少，过量空气系数0.6时，生烟量减少到PVC质量的10%左右。

This paper has also discussed the influences of different ignition parameters , excess air ratio , and speed , intake pressure on the combustion process and flame stability .

分析了不同点火参数、过量空气系数、转速、进气压力等对燃烧过程及火焰稳定性的影响。

By comparing the curves , found with the increasing of excess air ratio , the burning rate of single hazardous wastes was speeding up .

通过比较发现随着过量空气系数的增加，燃烧速度加快。

Increase the excess air ratio would greatly reduce CO emission , but lead to higher NO concentration , while there is no clear effect on N2O emission .

提高过量空气系数能大幅度的降低CO排放，但却导致NO浓度的增加。过量空气系数对N20没有明显的影响。

Experimental results show that organic Cl-HCl conversion increases as temperature increasing , and organic Cl-HCl conversion nearly is not influenced by excess air ratio .

实验研究表明随着温度的升高有机Cl-HCl转化率增大，相同温度下，随着过量空气系数α的增大有机Cl-HCl转化率变化不大。

The excess air ratio should be kept within ( 1.25 ) - ( 1.30 ), and combustion temperature raised to about 1000 ° C to obtain better combustion effect .

为取得较好的燃烧效果，燃烧温度应提高到1000℃左右，过量空气系数应维持在1.25~1.30之间。

It gasified with high-temperature air / steam and low excess air ratio . High-temperature air gasification and high temperature steam reforming reaction take place inside the gasifier .

在高温空气／蒸汽和低空气过剩系数条件下，气化器内发生高温空气气化主反应和高温蒸汽重整副反应。

As for the excess air ratio which can not be directly measured in the actual engine air-fuel ratio system , this paper adopts a sliding mode observer for its estimation .

对于实际发动机空燃比系统中无法直接测量得到的混合气浓度，本文提出了采用了滑模观测器对其进行估计。

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 .

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；

The EGR rate can reach 80 % when the load is lower due to the higher excess air ratio , while the higher load can use the lower EGR rate about 28 % .

小负荷时，由于过量空气系数高，可以采用高达80%的EGR率；高负荷时，采用相对低的约28%的EGR率。

The results show that under lean burn conditions , i.e. when excess air ratio is larger than 1.2 , the simulation on combustion in LPG engine with reduced mechanism has reasonably high accuracy .

结果表明在过量空气系数大于1·2的稀燃条件下，应用简化机理对LPG燃烧进行模拟具有较高的精度，完全可以替代详细机理。