Peristaltic Flow of a Nanofluid under the Effect of Hall Current and Porous Medium

Figure 3

Variations of the axial pressure gradient 𝑑𝑝/𝑑𝑥 with 𝑥 for various values of Hall parameter 𝑚 (panel a), porosity parameter 𝑠 (panel b), amplitude of right wave 𝑎 (panel c), and local nanoparticle Grashof number 𝐵_𝑟 (panel d). The other parameters chosen are 𝐹=−2, 𝑦=0.1, 𝑑=1, 𝑀=1.2, 𝑎=0.1, 𝑏=0.5, 𝑁_𝑏=0.8, 𝑁_𝑡=0.5, 𝑠=0.5, 𝜙=0.2, 𝐺_𝑟=0.5, and 𝐵_𝑟=0.5 (panel a); 𝐹=−2, 𝑦=0.1, 𝑑=1, 𝑀=1.2, 𝑎=0.1, 𝑏=0.5, 𝑁_𝑏=0.8, 𝑁_𝑡=0.5, 𝑚=1, 𝜙=0.2, 𝐺_𝑟=0.5, and 𝐵_𝑟=0.5 (panel b); 𝐹=−2, 𝑦=0.1, 𝑑=1, 𝑀=1.2, 𝑁_𝑡=0.5, 𝑏=0.5, 𝑁_𝑏=0.8, 𝑚=1, 𝑠=0.5, 𝜙=0.2, 𝐺_𝑟=0.5, and 𝐵_𝑟=0.5 (panel c); and 𝐹=−2, 𝑦=0.1, 𝑑=1, 𝑀=1.2, 𝑎=0.1, 𝑏=0.5, 𝑁_𝑏=0.8, 𝑁_𝑡=0.5, 𝑚=1, 𝑠=0.5, 𝜙=0.2, and 𝐺_𝑟=0.5 (panel d).

(a)

(b)

(c)

(d)