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Laser-induced ignition of methane and biogas near the lean flammability limit
| Content Provider | Semantic Scholar |
|---|---|
| Author | Peters, Nathan D. Morrow, Henry Akih-Kumgeh, Ben |
| Copyright Year | 2015 |
| Abstract | Interest in fuel flexible combustion systems necessitate characterization of various fuels with respect to their combustion properties, such as ignition energy requirements. In this work we study laser ignition of methane and biogas near their lean flammability limits. A high energy Nd:YAG laser at 532 nm is used to induce breakdown and ignition of fuel/air mixtures. Plasma formation, flame initiation, quenching, and successful flame propagation are captured using high speed Schlieren imaging and laser interferometry. Minimum pulse and minimum ignition energies are determined for a range of equivalence ratios, also permitting the determination of flammability limits. These measurements offer insight into differences in bio and methane ignition such as the higher energy requirements for biogas. The results and discussions advance our understanding of ignition requirements for various fuel/air systems. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.icders.org/ICDERS2015/abstracts/ICDERS2015-254.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
