Methods for Prediction of Steel Temperature Curve in the Whole Process of a Localized Fire in Large Spaces

Table 2

Value for 𝜂.

Building area (m^2)	Building height (m)
	6	9	12	15	20
500	0.60	0.65	0.70	0.80	0.85
1000	0.50	0.55	0.60	0.70	0.75
3000	0.40	0.45	0.50	0.55	0.60
6000	0.25	0.30	0.40	0.45	0.50