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영어

In this present paper, we investigate an analysis of slip and Joule heating with radiation on MHD peristaltic blood flow with porous medium through a coaxial asymmetric vertical tapered channel under the approximations of long wavelength and low Reynolds number. An influence of various governing parameters such as Porous parameter (Da), Magnetic field (M), Prandtl number (Pr), Eckert number (Ec), heat source/sink parameter (γ), Brinkman number (Br) and radiation parameter (N) were discussed and illustrated graphically through a set of figures. It is noted that the temperature distribution increases by increase in N, Da, Br and M and also we observe that the temperature distribution decreases by an increase in Pr, β and γ. It can be seen that the temperature profile is found almost parabolic in nature. We notice that the heat transfer coefficient decreases in the portion of the channel x ε [0, 0.58] and then increases in the range x ε [0.58, 1] by increase in N, Br and M and also we notice that the heat transfer coefficient gradually increases in the portion of the tapered channel x ε [0, 0.58] and then it is slowly decreases in the rest of the channel x ε [0.58, 1] by increase in Pr, β, Da and γ.