I completed a simulation for Lab TD1002b.

	r (m)	0.01	0.02	0.03	0.04	0.05	0.06	0.07
Target Power (W)	W	T1	T2	T3	T4	T5	T6	T7
30	29.96	36.87	34.22	32.68	31.58	30.73	30.03	29.44
40	39.97	43.75	39.47	36.96	35.19	33.81	32.68	31.73

Theory		T1	T2	T3	T4	T5	T6	T7
Theory 40W		43.75	39.47	36.96	35.19	33.81	32.68	31.73
Theory 30W		36.87	34.22	32.68	31.58	30.73	30.03	29.44

Thickness is 0.01, and k(W/mK) is 125 for 30W and 103 for 40W.

45.00 . 30 W 43.00 40 W A 40 W Theory 41.00 * 30 W Theory 39.00 37.00 Temperature (C) 35.00 33.00 31.00 29.00 27.00 25.00 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 Location (m)