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Flammability limits of ammonia-air mixtures.

Author(s) : KHAN A. S., KELLEY R. D., CHAPMAN K. S., FENTON D. L.

Summary

In an attempt to increase the level of understanding of ammonia combustion, the paper presents the results of a recent study of the flammability limits of ammonia-air mixtures. In the past, these studies have been conducted using a flame tube to determine the flammability limits of the gas. The study used the ASTM E 681-85 (ASTM 1985) standard method. Even though the flammability limits of ammonia have been established in the past, it was necessary to determine the limits using this relatively new method, since it is drastically different from any previously used method. A brief but complete literature review is provided, followed by a discussion of the flammability testing apparatus and experimental results. The measured upper and lower flammability limits in dry air were 27.35 and 15.15%, respectively. In air with a relative humidity of 100%, the upper and lower flammability limits narrowed to 15.95 and 26.55%, respectively.

Details

  • Original title: Flammability limits of ammonia-air mixtures.
  • Record ID : 1996-3252
  • Languages: English
  • Source: ASHRAE Transactions.
  • Publication date: 1995/06/24
  • Document available for consultation in the library of the IIR headquarters only.

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