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Hydrogen Addition F...
Hydrogen Addition For Improved Lean Burn Capability of Slow and Fast Burning Natural Gas Combustion Chambers
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- Tunestål, Per (författare)
- Lund University,Lunds universitet,Förbränningsmotorer,Institutionen för energivetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Combustion Engines,Department of Energy Sciences,Departments at LTH,Faculty of Engineering, LTH
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- Christensen, Magnus (författare)
- Lund University,Lunds universitet,Förbränningsmotorer,Institutionen för energivetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Combustion Engines,Department of Energy Sciences,Departments at LTH,Faculty of Engineering, LTH
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- Einewall, Patrik (författare)
- Lund University,Lunds universitet,Förbränningsmotorer,Institutionen för energivetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Combustion Engines,Department of Energy Sciences,Departments at LTH,Faculty of Engineering, LTH
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Andersson, Tobias (författare)
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- Johansson, Bengt (författare)
- Lund University,Lunds universitet,Förbränningsmotorer,Institutionen för energivetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Combustion Engines,Department of Energy Sciences,Departments at LTH,Faculty of Engineering, LTH
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Jönsson, Owe (författare)
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(creator_code:org_t)
- 2002-10-21
- 2002
- Engelska 13 s.
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Ingår i: SAE Special Publications. - 400 Commonwealth Drive, Warrendale, PA, United States : SAE International. - 0099-5908. ; 2002:1725, s. 21-32
- Relaterad länk:
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https://portal.resea... (primary) (free)
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://lup.lub.lu.s...
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https://doi.org/10.4...
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Abstract
Ämnesord
Stäng
- One way to extend the lean-burn limit of a natural gas engine is by addition of hydrogen to the primary fuel. This paper presents measurements made on a one-cylinder, 1.6- liter natural gas engine. Two combustion chambers, one slow and one fast burning, were tested with various amounts of hydrogen (0, 5, 10 and 15%-vol) added to natural gas. Three operating points were investigated for each combustion chamber and each hydrogen content level; idle, part load (5 bar IMEP) and 13 bar IMEP (simulated turbocharging). Air/fuel ratio was varied between stoichiometric and the lean limit. For each operating point, a range of ignition timings were tested to find maximum brake torque (MBT) and/or knock. Heat-release rate calculations were made in order to assess the influence of hydrogen addition on burn rate. Addition of hydrogen showed an increase in burn rate for both combustion chambers, resulting in more stable combustion close to the lean limit. This effect was most pronounced for lean operation with the slow combustion chamber.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Nyckelord
- Natural Gas
- CNG
- Hydrogen
- Hythane
- Spark Ignition
- Combustion
- Engine
Publikations- och innehållstyp
- kon (ämneskategori)
- ref (ämneskategori)
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