-To +2.2T-T₂ = 40 2.2T₁- T₂ = 340 [2.2-1 0 0 340 -1 2.2 -1 0 2.2-1 T₂ 40 0-1 -1 2.2-1 T3 40 0 0 -1 2.2] [T4 440 T(0) = 300 K T(10) = 400 K d²T -h'T=-h'T dx² ex-hex=0 T=Ae+Be T=T+A+ Beλx 8 Ta T₁ = T∞ +A+B 8 T=T+AeL + Be¯L 8 (T-T)e-L-(T-T∞) A = a e-LeλL B = B= (T-T)-(T-T∞)e е e-LeλL T = 200 + 20.4671e V0.05x+79.5329e 0.05x T, KA 400 300 200 2 4 6 00 8 10 x, m dT dx dz =-0.05(200-T) dx 600 400 200 600 400 200 600 400 (a) (b) 200 0 2 4 6 8 00 (c) 10 -T+(2+h'Ax²)T-T+1=h'x²T 8 0 = d²T +h' (T∞ − T) dx²