Equation Icon  ( )2 [ ∑ 2 2 2 W = K T --α--- -----δC------ (1 + σ )2 psζsJ0(ζs)-V C ρC CC πa4 (1 − σC )2 Δ2s s 2 ] s + 4a--(σ + 12S (1 − σ))2 . (9.72 ) h2