Because of the increased fuel-film effect and dropped combustion temperature, sparkignited (SI) gasoline engines always expel large amounts of HC and CO emissions during the cold start period. This paper experimentally investigated the effect of hydrogen addition on improving the cold start performa
The spark ignition of nitrous oxide-hydrogen mixtures
β Scribed by J.W. Linnett; D.M. Nutbourne
- Publisher
- Elsevier
- Year
- 1948
- Weight
- 446 KB
- Volume
- 3
- Category
- Article
- ISSN
- 1062-2896
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A mathematical model is presented to simulate the evolution with time of a spark channel into a combustion wave. The model considers the phenomena associated with electrical breakdown and arc phases, the plasma conductivity and realistic transport coefficients at high temperatures, and a detailed ch
Experimental measurements of the minimum ignition energy for two-phase reactive mixtures involving a liquid fuel (n-heptane, JP4), using a Q-switched Nd-YAG laser operating at 1064 nm, are reported in this study. Ignition energies were measured for many different mixtures. We find that the minimum i