Parameter Optimization and Prediction Model of Induction Heating for Large-Diameter Pipe

Table 9

Errors between the numerical simulation and regression model prediction.

Current Frequency (Hz)	Current Density (A/m^2)	Air Gap (mm)	Outer Wall Temperature T (°C)
			Simulation	Return	Error
1200	6×10^7	30	883	920.1	4.2%
1500	6×10^7	30	1043	1077.6	3.2%
1000	5.5×10^7	30	640	660.5	3.1%
800	6×10^7	30	683	710.1	4.0%
1000	6×10^7	40	626	643.2	2.7%