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The Importance of H...
The Importance of High-Frequency, Small-Eddy Turbulence in Spark Ignited, Premixed Engine Combustion
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Ting, David S-K (författare)
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Checkel, M. David (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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(creator_code:org_t)
- 1995
- 1995
- Engelska 15 s.
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Ingår i: SAE Technical Paper Series. - 0148-7191.
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Abstract
Ämnesord
Stäng
- The different roles played by small and large eddies in engine combustion were studied. Experiments compared natural gas combustion in a converted, single cylinder Volvo TD 102 engine and in a 125 mm cubical cell. Turbulence is used to enhance flame growth, ideally giving better efficiency and reduced cyclic variation. Both engine and test cell results showed that flame growth rate correlated best with the level of high frequency, small eddy turbulence. The more effective, small eddy turbulence also tended to lower cyclic variations. Large scales and bulk flows convected the flame relative to cool surfaces and were most important to the initial flame kernel.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Annan maskinteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Other Mechanical Engineering (hsv//eng)
Nyckelord
- Flame Speed
- LDV
- Turbulence
- Flame Propagation
Publikations- och innehållstyp
- kon (ämneskategori)
- ref (ämneskategori)
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