| 三效催化剂快速老化方法与劣化强度的相关性研究 |
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| 引用本文： | 宁海洋,肖建华,王建昕.三效催化剂快速老化方法与劣化强度的相关性研究[J].汽车工程,2002,24(4):336-338,363. |
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| 作者姓名： | 宁海洋 肖建华 王建昕 |
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| 作者单位： | 清华大学,汽车安全与节能国家重点实验室 |
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| 摘 要： | 基于催化剂高温失活机理，分析了不同快速老化方法对催化剂劣化强度的影响，并在发动机台架上，分别利用国内外最常用的两种老化方法－－断油方法和ARL－102方法，对Pt-Rh三郊催化剂进行了１００h的快速老化试验，通过每老化２５h后的测试，考察了催化剂性能随老化时间的变化特性。文中还提出了考察三效催化剂劣化强度的评价指标。
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| 关 键 词： | 相关性 三效催化剂 快速老化方法 劣化强度 汽车发动机 汽油排放 |
A Study on Correlation between Three-way Catalyst Aging Method and Deactivation Degree |
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| Ning Haiyang,Xiao Jianhua & Wang JianxinTsinghua University,State Key Laboratory of Automotive Safety and Energy.A Study on Correlation between Three-way Catalyst Aging Method and Deactivation Degree[J].Automotive Engineering,2002,24(4):336-338,363. |
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| Authors: | Ning Haiyang Xiao Jianhua & Wang JianxinTsinghua University State Key Laboratory of Automotive Safety and Energy |
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| Abstract: | Based on the mechanism of catalyst deactivation at high temperature,the effect of accelerated aging method on deactivation was studied. An 100 h accelerated aging Pt-Rt Catalyst was carried out on egnine/dynamometer using fuel cut and ARL-102 method. The aging process of catalyst was investigated by performance evaluations done every 25h in the course of aging test and the evaluation method of deactivation degree for three way catalyst was also presented. |
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| Keywords: | Three-way catalyst Accelerated aging method Deactivation degree |
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