The Transition and Spread of a Chaparral Crown Fire: Insights from Laboratory Scale Wind Tunnel Experiments

Table 2

Summary of results for the maximum values for each experimental category.

Average from the maximum values in each experiment:
Wind condition	Wind at 1 m/s		No wind
Surface-to-crown	0.6 m	0.7 m	0.6 m	0.7 m
Flame height (cm)	245	119	159	184
Surface heat release rate (kW)	74	67	42	35
Crown heat release rate (kW)	526	503	328	243
Surface rate of spread (cm/s)	2.70	1.70	1.12	0.91
Crown rate of spread (cm/s)	3.58	2.45	1.08	1.03