| 1. | Mathematical simulation of automotive exhaust catalytic converter in exhaust system of cold - start engine
汽车尾气三效催化器排气系统冷启动阶段数值模拟 |
| 2. | The preparation , composition and processing technology of the catalyst were put introduced
研究表明，加装导流装置能有效改善三效催化器内流场的均匀性。 |
| 3. | Experiments on temperature field and conversion efficiency of three way catalyst under different engine operation conditions
发动机不同工况下三效催化器的温度场和转化效率试验 |
| 4. | The dosage of noble metals in twc of cng vehicle was greatly decreased , and higher purification efficiency for the exhaust was obtained
天然气汽车三效催化器中贵金属用量大大降低，保持了较高的废气净化效率。 |
| 5. | The effect of the properties of catalytic converter on the pressure drop and velocity distribution was analyzed using cfd code cfx4 . 3
通过数值模拟试验，分析了三效催化器的主要结构参数对压降和流速分布的影响。 |
| 6. | A new structure of three - way catalysts ( twc ) with combined flow guide device was presented and the simulated results of its influence on the flow distribution uniformity were given
摘要设计了一种组合式导流装置，并数值模拟了其对三效催化器内流场均匀性的影响。 |
| 7. | It was found that there are lower pressure drop and better distribution in the radically variable cell diameter converter and the inlet loss of catalytic converter may be neglected when the velocity in cell passage is low
结果发现，三效催化器微元通道孔径沿径向的不同组合可以达到既不增加压降、流速分布又均匀的效果，而且在所计算的轴对称三效催化器结构中，在通常的流量范围内其进口损失可以忽略。 |
| 8. | Engine , the fuel consumption decreases by about 19 . 1 % . on the other hand , the fuel consumption of quasi - homogenous mixture lean combustion decreases by about 6 . 5 % compared with homogenous lean mixture combustion . three - ways catalyst ( twc ) + optimizing afr technology is used to remove nox emissions in oxygen containing exhaust gas
本研究运用三效催化器+空燃比优化控制技术，利用三效催化器能一定程度降低nox排放的特点，控制发动机在优化空燃比下工作，将稀燃后排气中剩余不多的nox进一步催化。 |
