烟度
- 网络Smoke intensity;Bosch;fsn
-
基于PC实现二次仪表型消光式烟度计的数据实时采集
Realization of Real-time Data Acquisition of Traditional Instrument Smoke-meter
-
介绍了基于PID算法的恒温控制模块在不透光烟度计中的应用。
The application of thermostatic control module based on PID in opacimeter was introduced .
-
NOx和烟度均逐渐降低。
NO_xand smoke are gradually reduced .
-
柴油掺水乳化燃烧对NOx与烟度排放的影响
The Effects of Diesel Engine Burning Emulsified Diesel Oil with Water on NOx and Smoke Number
-
对于CO排放及消光烟度,十六烷值存在一个最佳值。
To improve the CO and opacity smoke emissions , the fuel cetane number exists an optimum .
-
作为车用发动机代用燃料,液化石油气LPG(Liquefiedpetroleumgas)可有效地缓和这一矛盾,在降低发动机烟度排放、改善发动机燃烧性能上有其独特的优势。
LPG ( Liquefied Petroleum Gas ), as an alternative engine fuel , can alleviate this conflict effectively .
-
作为最清洁的车用发动机代用燃料,氢气(Hydrogen)在提高内燃机经济性、降低发动机烟度排放等方面有其独特的优势。
Hydrogen , as an alternative engine fuel , has its unique advantages in improving the economy and reducing engine smoke emissions .
-
通过优化增压器匹配,改进型2增压器在降低扭矩点NOX浓度的同时使烟度大幅降低。
The Smoke number significant reduced at peak torque speed by optimizing the turbocharger .
-
结果表明,在柴油中添加石油磺酸钙清净分散剂,可以降低柴油机的排放烟度和CO含量,特别是烟度的降低幅度较大。
The results showed that the engine emissions of exhaust smoke and CO content decreased by adding fuel detergent in diesel fuel .
-
旧标准烟度卡烟度值Rb与新标准烟度值SF之间的关系
Relation Between Smoke Intensity Values on Old and New Rated Smoke Cards
-
试验结果表明,柴油机燃用乳化柴油能有效地降低NOx排放浓度,并对烟度排放亦有一定的抑制作用。
The conclusions were achieved that diesel engine burning emulsified diesel oil can effectively reduce NOx concentrations and have some inhibition for smoke number .
-
采用优化的多次喷射策略结合EGR,可以同时降低NOx和烟度。
Optimized multiple injections coupling with EGR can simultaneously reduce NOx and smoke .
-
烟度和NOx排放随乙醇掺合率增加而降低。
The Bosch smoke number and NO_x emission decreased with the increase of ethanol content in E-diesel .
-
减小供油提前角,NOx排放下降,排气烟度增加。
The exhaust smoke increases and NO_x decreases with the decrease of the fuel delivery advance angle .
-
在较高的甲烷溶解度时,NOx和烟度排放能够同时降低。
For the blended fuel with high CH4 concentration , both NOx and smoke emissions decrease simultaneously .
-
EGR影响高速直喷柴油机NOx和烟度排放机理的研究
Experimental Study on Effect of EGR on NO_x and Smoke Emission of a High Speed Direct Injection Diesel Engine
-
在试验中获得较好的动力性和经济性,较低的烟度和NOx排放量。
The better fuel power and energy economic performance , lower black smoke and NOx emission were obtained through testing .
-
7MPa,排气烟度也有所改善,仅NOx增加了3.2%。
Only the NO_x was increased by about 3.2 % .
-
常规进气添加Ar、N2和CO2时排气烟度均上升而NOx排放均下降。
When the ambient air is diluted with Ar , N2 or CO2 , the soot emissions increase while NOx emissions decrease .
-
结果表明,富氧进气后排气烟度、HC和CO排放显著降低而NOx排放增加明显。
The results show that with OEA , the soot , HC and CO emissions all decrease significantly while NOx emissions increase obviously .
-
供油提前角变化对柴油/甲醇混合燃料的排放有较大影响,推迟供油,混合燃料的烟度排放和CO排放增加,NOx排放与HC排放降低。
With the decrease of fuel supply advance angle , exhaust CO and smoke emissions increased , while exhaust HC and NO_x decreased .
-
EGR对运行在不同海拔地区增压柴油机的经济性和烟度的影响
Influence of EGR on the Economical Efficiency and Smoke of Turbocharged Diesel Engine with Different Altitude
-
随着乙醇掺入比例的增加,发动机的可见烟度和滤纸式烟度均有显著的降低,干碳烟(DS)的比排放量也呈下降趋势。
With the increase of blending ethanol , the OPAC , filter smoke number and brake emission of dry soot decreased distinctly .
-
在大负荷工况,CO浓度排放减少,HC浓度排放变化较小,NOx浓度排放增加,排气烟度降低明显。
At the high load conditions the CO emission decreases , the HC emission changes little , the NOx emission increases and the smoke drop obviously .
-
相同Ar、N2和CO2添加量,使用CO2后烟度增加幅度最小而NOx排放下降幅度最大。
With the same addition amount into intake air , the use of CO2 leads to the smallest increase of soot and largest decrease of NOx emissions .
-
试验结果及理论分析表明,ISO关于烟度测量中的这两项要求是不必要的。
According to the results of test and theoretical analysis , the authors consider that the two items of requirements of ISO for smoke measurement are unnecessary .
-
结果表明:延后喷油正时和(或)减少压缩比可以实现柴油机的低温燃烧,从而降低柴油机的NOx排放率,但柴油机的油耗率和烟度将受到影响;
Experiment results make it clear achieving low temperature combustion and reducing NOx emission from the diesel engine by reducing injection timing or / and compression ratio , but increasing fuel com-sumption and smoke ;
-
同时,随着进气氧浓度的增加,排气烟度、HC和CO排放显著降低,但NOx排放增加。
At the same time , with the increase of oxygen concentration in intake air , soot , HC and CO emissions significantly decrease while NOx emissions increase .
-
结果表明,在柴油中添加DMC,燃料十六烷值降低,发动机热效率提高,烟度减小。
The results show that the fuel cetane number and engine exhaust smoke decrease and engine thermal efficiency improves with adding DMC in diesel fuel .
-
对TR燃烧系统的性能实验表明TR燃烧系统具有良好的烟度排放特性,NOx排放在中小负荷低于原机排放,在高负荷则有所增加。
At the low and part load , NOx emission of TR combustion system is less than original diesel , but more at high load conditions .