Optimal Heat Transfer Coefficient Distributions during the Controlled Cooling Process of an H-Shape Steel Beam

Table 4

A comparison of the results for the three cases.

Case	Case  1		Case  2		Case  3
	Constant	Optimal	Constant	Optimal	Constant	Optimal
(W/m^2K)	1500	1227	1400	1091	1200	913
(W/m^2K)	1500	1745	1400	1705	1200	1579
(W/m^2K)	1500	1732	1400	1666	1200	1556
(W/m^2K)	1500	1479	1400	1445	1200	1166
(W/m^2K)	150	101	140	37	120	225
(°C)	201	144	204	130	180	104
Residual stress at web (MPa)