Fire hazards of small hydrogen leaks

  • N. R. Morton
  • , P. B. Sunderland
  • , B. H. Chao
  • , R. L. Axelbaum

Research output: Contribution to journalConference articlepeer-review

Abstract

This study examines the types of hydrogen leaks that can support combustion and the effects on stainless steel of long term hydrogen flame exposure. Experimental and analytical work is presented. Hydrogen diffusion flames on round burners were observed. Measurements included limits of quenching, blowoff, and piloted ignition for burners with diameters of 0.36 - 1.78 mm. Results are compared to measurements for methane and propane. A dimensionless crack parameter was identified to correlate the quenching limit measurements. Flow rates were 0.019 - 40 mg/s for hydrogen, 0.12 - 64 mg/s for methane, and 0.03 - 220 mg/s for propane. Hydrogen flames were found to be corrosive to 316 stainless steel tubing.

Original languageEnglish
JournalSAE Technical Papers
DOIs
StatePublished - 2007
Event2007 World Congress - Detroit, MI, United States
Duration: Apr 16 2007Apr 19 2007

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