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). t1 t2. : q = -λ∙ ∂t/∂n = - λ∙ ∂t/∂x = - λ∙ (tc2 - tc1)/(xc2 - xc1)∙ q = λ∙ (tc2 - tc1)/(xc2 - xc1)∙ Dt/Dx. q = λ/δ∙(t1 t2) = λ/δ∙Δt, R =δ/λ - [(2∙)/], : q = (t1 t2)/R. , F τ : Q = q∙F∙τ = (t1 t2)/RF∙τ. : tx = t1 (t1 t2)∙x/ δ. (9.17)
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3.
. 3- . t1 t2, λ1, λ2, λ3, δ1, δ2, δ3. : q = λ1/δ1∙(t1 t1), q = λ2/δ2∙(t1 t2), q = λ3/δ3∙(t2 t2), , , : q = (t1 t4)/(δ1/λ1 + δ2/λ2 + δ3/λ3) = (t1 t4)/Ro, : Ro = (δ1/λ1 + δ2/λ2 + δ3/λ3) . : t1 = t1 q∙(δ1/λ1). t2 = t1 qδ2/λ2).
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