Research Article

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

Figure 7

The pressure rise versus flow rate when α = 0.01; a = 0.2; d = 0.8; ϵ = 0.3; λ 1 = 0.4; Da = 0.5; ϕ = .
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