지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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The ignition characteristics in a confined axisymmetric coflow $CH_4$ jet were investigated numerically with the Fire Dynamics Simulator(FDS). The $CH_4$ fuel stream was diluted with main combustion product gases, such as $O_2$, $N_2$, CO, $CO_2$, and $H_2O$, and the mixed fuel stream was heated up to the sufficient temperature where a supplying fuel stream can be ignited. For the calculation of chemical reaction in the simulation, a 2-step global finite chemistry model was considered. Boundary condition for confined wall was optimized by investigating the effects of wall temperature on the ignition characteristics of fuel stream. In addition, the effects of composition of diluents in the fuel stream and fuel stream temperature on the ignition of fuel steam were investigated. The ignition characteristics of $CH_4$ stream with diluents were very sensitive to the wall temperature, composition of diluents in the fuel stream and fuel stream temperature.
목차
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참고문헌 (14)
참고문헌 신청
D. T. Gottuk / 1999 / The Development and Mitigation of Backdraft: a Real-scale Shipboard Study / Fire Safety Journal 33:261~282
W. G. Weng / 2004 / Nonlinear Analysis of the Backdraft Phenomenon in Room Fires / Fire Safety Journal 39:447~464
C. M. Fleischmann / 1999 / Numerical and Experimental Gravity Currents Related to Backdrafts / Fire Safety Journal 33:21~34
W. G. Weng / 2003 / Critical Condition of Backdraft in Compartment Fires: a Reduced Scale Experimental Study / Journal of Loss Prevention in the Process Industries 16:19~26
R. Yang / 2005 / Subgrid Scale Laminar Flamelet Model for Partially Premixed Combustion and its Application to Backdraft Simulation / Fire Safety Journal 40:81~98
W. G. Weng / 2004 / Nonlinear Analysis of the Backdraft Phenomenon in Room Fires / Fire Safety Journal 39:447~464
C. M. Fleischmann / 1999 / Numerical and Experimental Gravity Currents Related to Backdrafts / Fire Safety Journal 33:21~34
W. G. Weng / 2003 / Critical Condition of Backdraft in Compartment Fires: a Reduced Scale Experimental Study / Journal of Loss Prevention in the Process Industries 16:19~26
R. Yang / 2005 / Subgrid Scale Laminar Flamelet Model for Partially Premixed Combustion and its Application to Backdraft Simulation / Fire Safety Journal 40:81~98
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