Experimental study on catalytic ignition of n-C4H10/H2/air mixtures

ZHONG Beijing; YU Yawei; XIONG Pengfei

doi:10.3969/j.issn.0438-1157.2014.11.021

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Experimental study on catalytic ignition of n-C₄H₁₀/H₂/air mixtures

更新时间：2025-12-10

- Experimental study on catalytic ignition of n-C₄H₁₀/H₂/air mixtures
- CIESC Journal Issue 11, Pages: 4363-4367(2014)
- 作者机构：
  
  1. 清华大学航天航空学院, 热科学与动力工程教育部重点实验室,北京,100084
  2. 中国空气动力研究与发展中心,四川,绵阳,621000
- 作者简介：
- 基金信息：
  
  supported by the National Natural Science Foundation of China (51276096).
- DOI：10.3969/j.issn.0438-1157.2014.11.021
  CLC： 643.12
- Online First：05 November 2014，
  
  Published：05 November 2014
- 稿件说明：
移动端阅览
ZHONG Beijing, YU Yawei, XIONG Pengfei. Experimental study on catalytic ignition of n-C₄H₁₀/H₂/air mixtures[J]. CIESC Journal, 2014, (11): 4363-4367. DOI: 10.3969/j.issn.0438-1157.2014.11.021.
DOI：

ZHONG Beijing, YU Yawei, XIONG Pengfei. Experimental study on catalytic ignition of n-C₄H₁₀/H₂/air mixtures[J]. CIESC Journal, 2014, (11): 4363-4367. DOI: 10.3969/j.issn.0438-1157.2014.11.021. DOI：

摘要

通过实验研究了正丁烷/氢气/空气混合物在Pt催化剂表面上的催化着火特性.实验发现

氢气在正丁烷/空气混合物的催化着火过程中既存在热作用

也存在化学作用.当化学作用为主导时

可燃混合物的化学催化着火温度明显低于热着火温度.实验结果表明

只有当氢气在可燃混合物的含量大于某个临界值时

化学催化着火才能发生

而且该临界值的大小以及催化着火温度均与可燃混合物的当量比有关.

Abstract

An experimental study on catalytic ignition of n-C4H10/H2/air mixtures in the Pt-coated catalyst surface was conducted. Hydrogen had not only thermal

but also chemical effects on the catalytic ignition of the n-C4H10/air mixtures. The chemical catalytic ignition temperature of the combustible mixtures was obviously lower than thermal ignition when chemical effect was dominant. However

chemical catalytic ignition occurred only when hydrogen content in the combustible mixtures was greater than a critical value. The critical value and the catalytic ignition temperature were related to equivalence ratio of the combustible mixtures.

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