## THERMAL SCIENCE

International Scientific Journal

### ELECTROMAGNETIC HYDRODYNAMIC FLOW AND HEAT TRANSFER OF A CASSON NANOFLUID FE3O4-BLOOD IN A POROUS MEDIUM

**ABSTRACT**

Magnetohydrodynamic fluid-flows attract a lot of attention in the extrusion of polymers, in the theory of nanofluids, as well as in the consideration of biological fluids. The considered problem in the paper is the flow and heat transfer of nanoand micro-polar fluid in inclined channel. Fluid-flow is steady, while nano- and micro-polar fluids are incompressible, immiscible, and electrically conductive. The upper and lower channel plates are electrically insulated and maintained at constant and different temperatures. External applied magnetic field is perpendicular to the fluid-flow and considered problem is in induction-less approximation. The equations of the considered problem are reduced to ODE, which are analytically solved in closed form. The influence of characteristics parameters of nano- and micro-polar fluids on velocity, micro-rotation and temperature fields are graphically shown and discussed. The general conclusions given through the analysis of graphs can be used for better understanding of the flow and heat transfer of nano- and micro-polar fluid, which have a great practical application. Fluids with nanoparticles innovated the modern era, due to their comprehensive applications in nanotechnology and manufacturing processes, while the theory of micro-polar fluids explains the flow of biological fluids and various types of liquid metals and crystals.

**KEYWORDS**

PAPER SUBMITTED: 2023-05-16

PAPER REVISED: 2023-06-18

PAPER ACCEPTED: 2023-06-27

PUBLISHED ONLINE: 2023-08-05

**THERMAL SCIENCE** YEAR

**2023**, VOLUME

**27**, ISSUE

**Issue 6**, PAGES [4461 - 4472]

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