Research Article

An Exact Solution for a Boundary Value Problem with Application in Fluid Mechanics and Comparison with the Regular Perturbation Solution

Figure 1

The pressure rise versus flow rate when a = 0.2; b = 0.6; d = 0.8; ϵ = 0.3; λ 1 = 0.8; Da = 0.6; ϕ = .
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