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

Table 7

Error between numerical simulation and BP neural network training.

Current Frequency (Hz)	Current Density (A/m^2)	Air Gap (mm)	Outer Wall Temperature (°C)			Inner Wall Temperature (°C)
			Simulation	Prediction	Error	Simulation	Prediction	Error
1200	6×10^7	30	883	862.5	2.3%	164	163.29	0.43%
1500	6×10^7	30	1043	1036.5	0.62%	183	185.35	1.3%
1000	5.5×10^7	30	640	638.2	0.28%	132	130.67	1%
1000	6.5×10^7	30	900	894.5	0.61%	167	163.40	2.1%
1000	7×10^7	30	1070	1079.3	0.87%	184	180.71	1.8%