LOCAL FLAME FRONT DISTURBANCE DEVELOPMENT UNDER ACCELERATION

被引:27
作者
TSURUDA, T
HIRANO, T
机构
[1] Department of Reaction Chemistry, Faculty of Engineering, The University of Tokyo, Bunkyo-ku, Tokyo
关键词
D O I
10.1016/0010-2180(91)90038-D
中图分类号
O414.1 [热力学];
学科分类号
摘要
The development of a local flame front disturbance in an accelerating gas flow was explored using high-speed schlieren photography. The movement of the local flame front was examined in detail, and, based on these results, the flow field around the disturbed flame front was inferred. From this, it was confirmed that in an accelerating flow field, the unburned gas penetrates into the burned gas region at a velocity about 30 times higher than the laminar burning velocity. Flame front acceleration generates intense shear flow layers across disturbed flame fronts.
引用
收藏
页码:66 / 72
页数:7
相关论文
共 15 条
[1]   EFFECTS OF MOLECULAR-DIFFUSION AND OF THERMAL-EXPANSION ON THE STRUCTURE AND DYNAMICS OF PREMIXED FLAMES IN TURBULENT FLOWS OF LARGE-SCALE AND LOW INTENSITY [J].
CLAVIN, P ;
WILLIAMS, FA .
JOURNAL OF FLUID MECHANICS, 1982, 116 (MAR) :251-282
[2]  
HIRANO T, 1984, PLANT OPER PROG, V3, P237
[3]  
KARLOVITZ B, 1953, 4TH S INT COMB, P60
[4]  
LEE JH, 1982, FUEL AIR EXPLOSIONS, P753
[5]  
Markstein G.H., 2014, NONSTEADY FLAME PROP
[6]   GASDYNAMICS OF VENTED EXPLOSIONS .1. EXPERIMENTAL STUDIES [J].
MCCANN, DPJ ;
THOMAS, GO ;
EDWARDS, DH .
COMBUSTION AND FLAME, 1985, 59 (03) :233-250
[7]  
ORAN ES, 1982, FUEL AIR EXPLOSIONS, P447
[8]  
SALAMANDRA GD, 1959, 7TH S INT COMB, P851
[9]  
Solberg DM, 1981, S INT COMBUST, V18, P1607
[10]   THE INSTABILITY OF LIQUID SURFACES WHEN ACCELERATED IN A DIRECTION PERPENDICULAR TO THEIR PLANES .1. [J].
TAYLOR, G .
PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1950, 201 (1065) :192-196