000 01809nab a2200205 4500
005 20260520000842.0
008 260224s2009 xxu
245 0 0 _aInfluence of boundary conditions on sub-millimeter combustion
260 _a
_b
_cjul./ago. 2009
270 _a15/06/2010 ; 14/06/2010
300 _a9 p. ; 3549-3557
520 _aTranscripción del resumen del autor. Growing interest in small-scale, portable energy systems such as fuel cells has necessitated the development of small-scale fuel processing or reforming systems. Many fuel reforming systems require reliable heat sources as in some cases temperatures in excess of 600°C maybe required. Sub-millimeter combustors can provide such a heat source; however, a broader set of design rules are needed for constructing systematically engineered heat sources. In this article, experimental observations and computational fluid dynamics modeling results are presented for stable and steady confined flame structures within an alumina sub-millimeter combustor. Influence of inlet flow and thermal boundary conditions are evaluated through a parametric study. The inlet flow rates and relative gas composition, the thermal boundary conditions that include thermal conductivity of the walls, convection of heat to and from the walls, and radiation of heat energy through the walls all determine the position, structure, and temperature of the reacting fluid and combustor walls. The model shows the importance of radiative heat transfer in the formation of the steady-state flame structures within the microcombustor.
581 _a4
773 0 _tEnergy & fuels
_g23
942 _cARTICULO
100 1 _aPrakash, Shaurya
_942641
100 1 _aAkberov, Roald
_942642
100 1 _aAgonafer, Damena
_942643
999 _c171009
_d171009