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The analytical inve...
The analytical investigation of premixed combustion in cylindrical micro-combustor
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Bidabadi, M (författare)
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Rahbari, A (författare)
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- Alizadehheidari, Mohammadreza, 1987 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2011
- 2011
- Engelska.
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Ingår i: Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science. - 2041-2983 .- 0954-4062. ; 225:4, s. 931-938
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Abstract
Ämnesord
Stäng
- In this study, an analytical model for heat recirculation in cylindrical micro-combustorsis presented, including the effects of heat transfer from the product gas stream in the reaction zoneand post-flame region to the reactant in the preheat zone, structural heat conduction through thecombustor walls and heat loss to ambient. Eventually, the explicit expression for the flame speedin non-adiabatic condition and the implicit expression for adiabatic condition are obtained in thisresearch. In addition, comparison is made between adiabatic and non-adiabatic flame speeds.It is demonstrated that the streamwise heat conduction through the structure of combustorplays an important role in the flame broadening in both adiabatic and non-adiabatic conditions.Moreover, it is shown that reducing the size of the combustor to a submillimetre scale extremelyincreases the surface-to-volume ratio, leading to the decrease in the flame speed and flamequenching.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Kemiska processer (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Chemical Process Engineering (hsv//eng)
Nyckelord
- heat recirculation effect
- analytical approach
- non-adiabatic flame speed
- micro-combustors
- adiabatic flame speed
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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