In this paper laminar forced convection associated with the cross-flow of micropolar fluid over a horizontal heated circular cylinder is investigated. The conservation equations of mass, linear momentum, angular momentum and energy are solved to give the details of flow and thermal fields. The flow and thermal fields are mainly influenced by Reynolds number, Prandtl number and material parameters of micropolar fluid. The Reynolds number is considered up to 200 while the Prandtl number is fixed at 0.7. The dimensionless vortex viscosity is the only material parameter considered in this study and is selected in the range from 0 to 5. The study has shown that generally the mean heat transfer decreases as the vortex viscosity increases. The results have also shown that both the natural frequency of vortex shedding and the amplitude of oscillating lift force experience clear reduction as the vortex viscosity increases. Moreover, the study showed that there is a threshold value for vortex viscosity above which the flow over the cylinder never responds to perturbation and stays symmetric without vortex shedding. Regarding drag coefficient, the results have revealed that within the selected range of controlling parameters the drag coefficient does not show a clear trend as the vortex viscosity increases.

Article navigation

March 2007

Research Papers

# Laminar Forced Convection From a Circular Cylinder Placed in a Micropolar Fluid

F. M. Mahfouz

F. M. Mahfouz

Mechanical Power Department, Faculty of Engineering,

fmahfouz64@hotmail.com
Menoufia University

, Shebin-Elkom, Egypt
Search for other works by this author on:

F. M. Mahfouz

Mechanical Power Department, Faculty of Engineering,

Menoufia University

, Shebin-Elkom, Egyptfmahfouz64@hotmail.com

*J. Heat Transfer*. Mar 2007, 129(3): 256-264 (9 pages)

**Published Online:**June 21, 2006

Article history

Received:

July 17, 2005

Revised:

June 21, 2006

Citation

Mahfouz, F. M. (June 21, 2006). "Laminar Forced Convection From a Circular Cylinder Placed in a Micropolar Fluid." ASME. *J. Heat Transfer*. March 2007; 129(3): 256–264. https://doi.org/10.1115/1.2426360

Download citation file:

- Ris (Zotero)
- Reference Manager
- EasyBib
- Bookends
- Mendeley
- Papers
- EndNote
- RefWorks
- BibTex
- ProCite
- Medlars

Close

#### Sign In

### Get Email Alerts

### Cited By

A Correlation for Nusselt Number of Slip Gas Flow in Confined Porous Media

J. Heat Transfer (September 2020)

The Validity of Approximate Boundary Conditions for Natural Convection With Thermal Radiation in Open Cavities

J. Heat Transfer (September 2020)

### Related Articles

The Effect of Uniform Blowing on the Flow Past a Circular Cylinder

J. Fluids Eng (June,2002)

Experimental Study of Heat Convection From Stationary and Oscillating Circular Cylinder in Cross Flow

J. Heat Transfer (February,2001)

Influence of a Magnetic Obstacle on Forced Convection in a Three-Dimensional Duct With a Circular Cylinder

J. Heat Transfer (January,2016)

Combined Influence of Fluid Viscoelasticity and Inertia on Forced Convection Heat Transfer From a Circular Cylinder

J. Heat Transfer (April,2020)

### Related Proceedings Papers

### Related Chapters

Vortex-Induced Vibration

Flow Induced Vibration of Power and Process Plant Components: A Practical Workbook

Mixed-Up Convection

Hot Air Rises and Heat Sinks: Everything You Know about Cooling Electronics Is Wrong

Hydraulic Resistance

Heat Transfer & Hydraulic Resistance at Supercritical Pressures in Power Engineering Applications