Experimental investigation on heat transfer characteristics of magnetic fluid flow around a fine wire under the influence of an external magnetic field

Experimental investigation is conducted to get insight into convective heat transfer features of the aqueous magnetic fluid flow over a fine wire under the influence of an external magnetic field. The convective heat transfer coefficient of the aqueous magnetic fluid flow around the heated wire is m...

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Bibliographic Details
Published in:Experimental thermal and fluid science 2009-04, Vol.33 (4), p.591-596
Main Authors: Li, Qiang, Xuan, Yimin
Format: Article
Language:English
Subjects:
Applied sciences
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Condensed matter: electronic structure, electrical, magnetic, and optical properties
CONTROL
CONVECTION
Convective heat transfer
Energy
Energy. Thermal use of fuels
Enhanced heat transfer
Exact sciences and technology
FLUID FLOW
HEAT TRANSFER
Magnetic effect
Magnetic effects
MAGNETIC FIELDS
Magnetic fluid
Magnetic fluids
Magnetic liquids
MAGNETIC MATERIALS
Magnetic properties and materials
MAGNETITE
MAGNETOHYDRODYNAMICS
NANOSTRUCTURES
ORIENTATION
PARTICLES
Physics
Studies of specific magnetic materials
Theoretical studies. Data and constants. Metering
WIRES
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Summary:Experimental investigation is conducted to get insight into convective heat transfer features of the aqueous magnetic fluid flow over a fine wire under the influence of an external magnetic field. The convective heat transfer coefficient of the aqueous magnetic fluid flow around the heated wire is measured in both the uniform magnetic field and the magnetic field gradient. The effects of the external magnetic field strength and its orientation on the thermal behaviors of the magnetic fluids are analyzed. The experimental results show that the external magnetic field is a vital factor that affects the convective heat transfer performances of the magnetic fluids and the control of heat transfer processes of a magnetic fluid flow can be possible by applying an external magnetic field.
ISSN:0894-1777
1879-2286
DOI:10.1016/j.expthermflusci.2008.12.003