## THERMAL SCIENCE

International Scientific Journal

### HYDROMAGNETIC FLOW OF A CARREAU FLUID IN A CURVED CHANNEL WITH NON-LINEAR THERMAL RADIATION

**ABSTRACT**

The study depicts the variations in the hydromagnetics flow of a Careau fluid in a semi permeable curved channel with convective boundary condition. Furthermore, Rosseland approximation is also considered to analyze the non-linear thermal radiation effects. Curvilinear co-ordinates system has been adopted for the mathematical modeling of the flow equations. The attained set of governing equation are then converted into non-linear dimensionless differential equations, by making use of similarity variables which are later treated by shooting method. In addition, the Newton‘s Raphson method is also incepted to improve the accuracy of the obtained numerical result. The velocity field and temperature distributions are affected by various involved parameter which are presented in graphs and in table form. It is noticed that the velocity profiles are influenced by the change in the Weissenberg number.

**KEYWORDS**

PAPER SUBMITTED: 2017-10-11

PAPER REVISED: 2018-01-21

PAPER ACCEPTED: 2018-02-03

PUBLISHED ONLINE: 2018-03-04

**THERMAL SCIENCE** YEAR

**2019**, VOLUME

**23**, ISSUE

**Issue 6**, PAGES [3379 - 3390]

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