高等传热学 ∂20 a20 ax2+ y2=0 y=0, 0=f0(x) 0=01+02+03+04 y=H, 日=fi(x) x=0, 0=po(y) X=6, 0=p1(y) a201,a201 a202,0202 8x F+ dy2 =0 0x dy2 =0 y=0, 01=0 y=0, 02=0 y=H, 01=0 y=H, 02=0 x=0, 01=0 x=0,02=p00y) X=6, 01=p10y) x=6, 82=0 a203,a203 dy2 -0 a204, 0x2+ 204-0 dy y=0, 03=0 y=0, 04=f6(x) y=H, 03=fi(x) y=H, 84=0 X=0, 83=0 x=0, 04=0 X=6 02=0 X三6， 04=0高 等 传 热 学 𝜕 2𝜃 𝜕𝑥 2 + 𝜕 2𝜃 𝜕𝑦 2 =0 𝑦 = 0, 𝜃 = 𝑓0(𝑥) 𝑦 = 𝐻, 𝜃 = 𝑓1(𝑥) 𝑥 = 0, 𝜃 = 𝜑0(𝑦) 𝑥 = 𝛿, 𝜃 = 𝜑1(𝑦) 𝜃 = 𝜃1 + 𝜃2 + 𝜃3 + 𝜃4 𝜕 2𝜃1 𝜕𝑥 2 + 𝜕 2𝜃1 𝜕𝑦 2 =0 𝑦 = 0, 𝜃1 = 0 𝑦 = 𝐻, 𝜃1= 0 𝑥 = 0, 𝜃1= 0 𝑥 = 𝛿, 𝜃1 = 𝜑1(𝑦) 𝜕 2𝜃2 𝜕𝑥 2 + 𝜕 2𝜃2 𝜕𝑦 2 =0 𝑦 = 0, 𝜃2 = 0 𝑦 = 𝐻, 𝜃2= 0 𝑥 = 0, 𝜃2= 𝜑0(𝑦) 𝑥 = 𝛿, 𝜃2= 0 𝜕 2𝜃3 𝜕𝑥 2 + 𝜕 2𝜃3 𝜕𝑦 2 =0 𝑦 = 0, 𝜃3 = 0 𝑦 = 𝐻, 𝜃3= 𝑓1(𝑥) 𝑥 = 0, 𝜃3= 0 𝑥 = 𝛿, 𝜃3= 0 𝜕 2𝜃4 𝜕𝑥 2 + 𝜕 2𝜃4 𝜕𝑦 2 =0 𝑦 = 0, 𝜃4 = 𝑓0(𝑥) 𝑦 = 𝐻, 𝜃4= 0 𝑥 = 0, 𝜃4= 0 𝑥 = 𝛿, 𝜃4= 0