Modeling analysis for the optimization of diamond deposition in a stagnation-flow flame reactor

D. W. Hahn, M. N. Bui-Pham, E. Meeks

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


The successful utilization of premised oxygen/acetylene flames in the chemical vapor deposition of diamond has led to an interest in scaleable configurations, realized in this work using a stagnation-flow reactor. Through a computational model that incorporates detailed gas-phase kinetics, molecular transport, and surface chemistry, the roles of process variables such as flame stoichiometry, rate of strain, and the use of flow diluents are explored. For parameterization, we have characterized diamond deposition using the surface fluxes of atomic hydrogen and methyl radical, and have correlated the modeling results with experimental data from a scaled-up stagnation-flow reactor. Flame temperature, stoichiometry, and diluent addition were found to have a strong effect on diamond deposition, enabling optimization of the diamond deposition rates with a constraint on diamond film quality. Modeling results are presented, and the utility of the flame model in conjuction with an experimental diamond deposition study is demonstrated.

Original languageEnglish (US)
Pages (from-to)175-199
Number of pages25
JournalCombustion science and technology
Issue number1-6
StatePublished - 1997
Externally publishedYes


  • Diamond deposition
  • Optimization
  • Stagnation-flow

ASJC Scopus subject areas

  • General Chemistry
  • General Chemical Engineering
  • Fuel Technology
  • Energy Engineering and Power Technology
  • General Physics and Astronomy


Dive into the research topics of 'Modeling analysis for the optimization of diamond deposition in a stagnation-flow flame reactor'. Together they form a unique fingerprint.

Cite this