Two-Dimensional Temperature Field Distribution Reconstruction Based on Least Square Method and Radial Basis Function Approximation

Table 3

Error analysis of hotspot temperature error .

Reconstructed temperature distributions	Temperature values of hotspots (°C)				The hotspot temperature error (%)
	Models	LSA	RBF	The modified algorithm
					LSA	RBF	The modified algorithm
One-peak symmetrical	1976.47	1929.23	1923.11	1940.56	2.39	2.70	1.82
Two-peak asymmetrical	1953.68	1853.26	1874.56	1891.63	5.14	4.05	3.18
	1940.22	1821.48	1865.13	1877.39	6.12	3.87	3.24
Three-peak asymmetrical	1870.01	1726.77	1785.49	1805.50	7.66	4.52	3.45
	1835.36	1671.28	1760.29	1773.37	8.94	4.09	3.38
	1961.58	1758.95	1893.12	1904.81	10.33	3.49	2.90