Swiss-Roll燃烧器催化剂结构的实验研究  

The Experimental Study of Catalyst Substrate Length in Micro-Scale Swiss-Roll Combustor

作　　者：杨帆[1] 钟北京[1] 

机构地区：[1]清华大学航天航空学院,北京100084

出　　处：《工程热物理学报》2011年第7期1245-1248,共4页Journal of Engineering Thermophysics

基　　金：国家自然科学基金项目资助(No.50676056;No.50721140648;No.50676050)

摘　　要：实验研究了装有Pt覆盖的多孔陶瓷的Swiss-Roll燃烧器的燃烧特性,分别得到了3种不同长度的催化剂基底的熄火极限,并测量3种情况下催化剂壁面及催化剂后部空间的温度。实验结果表明,3种情况中,催化剂基底长4.5mm的燃烧器可燃范围最大,所以此长度较适合此Swiss-Roll燃烧器。从温度数据可以看出来,催化剂后部空间存在反应,且受上游催化剂表面反应强度的影响。The combustion characteristics of catalytic Swiss-Roll combustor are studied experimentally in this paper.Flammable ranges of 3 different catalyst substrate lengths are determined. Temperatures of catalyst surface and the space downstream are measured.Results indicate that the flammable range of 4.5 mm length is the largest in 3 different lengths;this length is more suitable for the Swiss-Roll combustor used in this work.Temperature data show that there are reactions in the space downstream,while reactions in the space downstream has contacts with catalyst reaction upstream.

关 键 词：Swiss-Roll 燃烧特性 催化剂基体长度 正丁烷 PT 

分 类 号：O643.21[理学—物理化学]