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2021 Vol.26, Issue 3 Preview Page

Research Article

Study on Various Catalytic Conditions for the Ignition of Hydrogen/Oxygen Mixture

촉매의 조건에 따른 수소/산소 혼합 기체의 점화 특성 연구

Minsig Hwang1
,
Jongmin Shin1
,
Tae Seong Roh1
,
Hyoung Jin Lee1*
황 민식1
,
신 종민1
,
노 태성1
,
이 형진1*
1Department of Aerospace Engineering, Inha University
1인하대학교 항공우주공학과
*Corresponding Author
30 September 2021. pp. 42-50
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Abstract

A fundamental study was conducted to develop a combustor system using hydrogen catalyst reaction as an ignition source. Several variable conditions were selected to analyze the ignition characteristics using the catalyst; the main catalyst component, reduction temperature and reaction surface area of catalysts, and the equivalent ratio of the mixture gas. The platinum(Pt) catalyst was finally selected because of its excellent reactivity. The ignition performance was best when catalysts were reduced at 300°C. Moreover, the ignition performance was improved with a larger surface area and low equivalence ratio of mixture gas. XRD analysis and SEM photography were performed to identify the formation and crystallization of nano Pt particles. The analysis showed that Pt (111) crystals had the highest distribution at a reduction temperature of 300°C. Nano Pt particles were well-formed in the catalysts, but excessive heating degrades the catalysts' performance. This study identified the ignition characteristics of Pt catalysts, and successful catalytic ignition was observed in the designed experimental system.

Keywords
Hydrogen catalyst
Catalytic ignition
Nano Pt particle
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Information
  • Publisher :The Korean Society Combustion
  • Publisher(Ko) :한국연소학회
  • Journal Title :Journal of The Korean Society Combustion
  • Journal Title(Ko) :한국연소학회지
  • Volume : 26
  • No :3
  • Pages :42-50
  • Received Date : 2021-07-28
  • Revised Date : 2021-08-17
  • Accepted Date : 2021-09-10
  • DOI :https://doi.org/10.15231/jksc.2021.26.3.042
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