Direct Injection of Hydrogen, Oxygen, and Water in a Novel Two Stroke Engine.
This short communication proposes novel two stroke engine burning hydrogen in oxygen in presence of large amounts of steam as residual gases. This engine has a bowl-in-piston combustion chamber, exhaust valves only and it uses direct injection of hydrogen, oxygen and water. Diesel-like compression i...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English English |
| Published: |
2011
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| Online Access: | http://psasir.upm.edu.my/id/eprint/23312/1/Direct%20Injection%20of%20Hydrogen.pdf |
| _version_ | 1825925328987488256 |
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| author | Aris, Ishak Boretti, Alberto Osman, Azmi |
| author_facet | Aris, Ishak Boretti, Alberto Osman, Azmi |
| author_sort | Aris, Ishak |
| collection | UPM |
| description | This short communication proposes novel two stroke engine burning hydrogen in oxygen in presence of large amounts of steam as residual gases. This engine has a bowl-in-piston combustion chamber, exhaust valves only and it uses direct injection of hydrogen, oxygen and water. Diesel-like compression ignition combustion is achieved by injecting the oxygen and the hydrogen in the surrounding steam close to a continuously operated glow plug. The operation of the engine is simulated by commercial softwares. The water injection enables acceptable metal temperatures and reduced heat losses. First computational results show brake efficiencies above 55% achieved with mass of water injected about twice the mass of oxygen and hydrogen mixture and operation with a significant amount of exhaust gas recirculation. It seems reasonable to guess efficiencies of the fully optimised and developed engine approaching the 60% mark, 20% higher than those of the state-of-the-art H2ICEs designed for operation with air using the spark-ignition engine concept as well as of those projected for Diesel engines operating with exhaust energy recovery. Worth of mention is also the much higher power density following the two stroke operation. |
| first_indexed | 2024-03-06T07:56:30Z |
| format | Article |
| id | upm.eprints-23312 |
| institution | Universiti Putra Malaysia |
| language | English English |
| last_indexed | 2024-03-06T07:56:30Z |
| publishDate | 2011 |
| record_format | dspace |
| spelling | upm.eprints-233122015-10-08T04:19:16Z http://psasir.upm.edu.my/id/eprint/23312/ Direct Injection of Hydrogen, Oxygen, and Water in a Novel Two Stroke Engine. Aris, Ishak Boretti, Alberto Osman, Azmi This short communication proposes novel two stroke engine burning hydrogen in oxygen in presence of large amounts of steam as residual gases. This engine has a bowl-in-piston combustion chamber, exhaust valves only and it uses direct injection of hydrogen, oxygen and water. Diesel-like compression ignition combustion is achieved by injecting the oxygen and the hydrogen in the surrounding steam close to a continuously operated glow plug. The operation of the engine is simulated by commercial softwares. The water injection enables acceptable metal temperatures and reduced heat losses. First computational results show brake efficiencies above 55% achieved with mass of water injected about twice the mass of oxygen and hydrogen mixture and operation with a significant amount of exhaust gas recirculation. It seems reasonable to guess efficiencies of the fully optimised and developed engine approaching the 60% mark, 20% higher than those of the state-of-the-art H2ICEs designed for operation with air using the spark-ignition engine concept as well as of those projected for Diesel engines operating with exhaust energy recovery. Worth of mention is also the much higher power density following the two stroke operation. 2011 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/23312/1/Direct%20Injection%20of%20Hydrogen.pdf Aris, Ishak and Boretti, Alberto and Osman, Azmi (2011) Direct Injection of Hydrogen, Oxygen, and Water in a Novel Two Stroke Engine. International Journal on Hydrogen Energy, 36 (16). 10100- 10106. ISSN 0360-3199 10.1016/j.ijhydene.2011.05.033 English |
| spellingShingle | Aris, Ishak Boretti, Alberto Osman, Azmi Direct Injection of Hydrogen, Oxygen, and Water in a Novel Two Stroke Engine. |
| title | Direct Injection of Hydrogen, Oxygen, and Water in a Novel Two Stroke Engine. |
| title_full | Direct Injection of Hydrogen, Oxygen, and Water in a Novel Two Stroke Engine. |
| title_fullStr | Direct Injection of Hydrogen, Oxygen, and Water in a Novel Two Stroke Engine. |
| title_full_unstemmed | Direct Injection of Hydrogen, Oxygen, and Water in a Novel Two Stroke Engine. |
| title_short | Direct Injection of Hydrogen, Oxygen, and Water in a Novel Two Stroke Engine. |
| title_sort | direct injection of hydrogen oxygen and water in a novel two stroke engine |
| url | http://psasir.upm.edu.my/id/eprint/23312/1/Direct%20Injection%20of%20Hydrogen.pdf |
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