Effect of the Velocity Second Slip Boundary Condition on the Peristaltic Flow of Nanofluids in an Asymmetric Channel: Exact Solution

Figure 12

Variation of the pressure gradient at 𝑏=0.5, 𝑑=1, 𝑁_𝑡=0.5, 𝐵_𝑟=0.5, 𝜙=0.2, 𝑄=0.5, and 𝛾=𝛾₁=0.5 for (a) 𝛽₁=0.1, 𝑁_𝑏=0.8, 𝐺_𝑟=0.5, 𝑎=0.3, and 𝛽₂=−0.5,−1,−1.5,−2; (b) 𝛽₁=0.8, 𝛽₂=−2, 𝐺_𝑟=0.5, 𝑎=0.3, and 𝑁_𝑏=1,5,9,13; (c) 𝛽₁=0.8, 𝛽₂=−2, 𝑁_𝑏=0.8, 𝑎=0.3, and 𝐺_𝑟=0.5,0.6,0.7,0.8; and (d) 𝛽₁=0.3, 𝛽₂=−2, 𝑁_𝑏=0.8, 𝐺_𝑟=0.5, and 𝑎=0.2,0.3,0.4,0.5.

(a)

(b)

(c)

(d)