Estimation of Contact Conductance Between Two Dissimilar Metal …
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Fig. 1 Computational domain
The governing equation for region-1 are:
∂
∂x
K a
∂ T ai
∂ x
= ρ a C pa
∂ T ai
∂τ
(1)
with boundary conditions:
−K a
∂ T 1
∂ x
= q(t) at x = 0; τ > 0
( 1 a )
K a
∂ T i
∂ x
= h
T i − T j
at x = L 1 ; τ > 0
(1b)
The governing equation for region 2:
∂
∂ x
K b
∂ T bj
∂ x
= ρ b C pb
∂ T bj
∂τ
(2)
With boundary conditions:
−K b
∂ T j
∂ x
= h
T j − T i
at x = L 1 ; τ > 0
( 2 a )
T 2 = constant at x = L 2 ; τ > 0
(2b)