Abstract
Forced convective heat transfer of turbulent magnetic fluid flow is remarkably suppressed by applying magnetic field. Detailed investigation of this suppression of turbulent heat transfer of magnetic fluid was carried out experimentally in this study. The result shows that the suppression of heat transfer becomes strong by applying stronger magnetic field, but is saturated at a certain strength of magnetic field. This suppression depends on not only magnetic field intensity but also flow condition. For generalization of the suppressed heat transfer characteristics of turbulent magnetic fluid flow by applying magnetic field, we proposed Mh number which is defined by Re divided by a root of magnetic field intensity normalized by saturated magnetization of magnetic fluid. It is found that suppressed heat transfer of magnetic fluid almost linearly increases with increasing Mh number.
| Original language | English |
|---|---|
| Pages (from-to) | 113-120 |
| Number of pages | 8 |
| Journal | International Journal of Applied Electromagnetics and Mechanics |
| Volume | 52 |
| Issue number | 1-2 |
| DOIs | |
| Publication status | Published - 2016 |
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Keywords
- forced convective heat transfer
- Magnetic fluid
- turbulence
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Mechanics of Materials
- Mechanical Engineering
- Electrical and Electronic Engineering
Cite this
Suppression of heat transfer of turbulent magnetic fluid flow by applying uniform magnetic field. / Motozawa, Masaaki; Takeda, Kosuke; Kawaguchi, Yasuo; Sawada, Tatsuo; Fukuta, Mitsuhiro.
In: International Journal of Applied Electromagnetics and Mechanics, Vol. 52, No. 1-2, 2016, p. 113-120.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Suppression of heat transfer of turbulent magnetic fluid flow by applying uniform magnetic field
AU - Motozawa, Masaaki
AU - Takeda, Kosuke
AU - Kawaguchi, Yasuo
AU - Sawada, Tatsuo
AU - Fukuta, Mitsuhiro
PY - 2016
Y1 - 2016
N2 - Forced convective heat transfer of turbulent magnetic fluid flow is remarkably suppressed by applying magnetic field. Detailed investigation of this suppression of turbulent heat transfer of magnetic fluid was carried out experimentally in this study. The result shows that the suppression of heat transfer becomes strong by applying stronger magnetic field, but is saturated at a certain strength of magnetic field. This suppression depends on not only magnetic field intensity but also flow condition. For generalization of the suppressed heat transfer characteristics of turbulent magnetic fluid flow by applying magnetic field, we proposed Mh number which is defined by Re divided by a root of magnetic field intensity normalized by saturated magnetization of magnetic fluid. It is found that suppressed heat transfer of magnetic fluid almost linearly increases with increasing Mh number.
AB - Forced convective heat transfer of turbulent magnetic fluid flow is remarkably suppressed by applying magnetic field. Detailed investigation of this suppression of turbulent heat transfer of magnetic fluid was carried out experimentally in this study. The result shows that the suppression of heat transfer becomes strong by applying stronger magnetic field, but is saturated at a certain strength of magnetic field. This suppression depends on not only magnetic field intensity but also flow condition. For generalization of the suppressed heat transfer characteristics of turbulent magnetic fluid flow by applying magnetic field, we proposed Mh number which is defined by Re divided by a root of magnetic field intensity normalized by saturated magnetization of magnetic fluid. It is found that suppressed heat transfer of magnetic fluid almost linearly increases with increasing Mh number.
KW - forced convective heat transfer
KW - Magnetic fluid
KW - turbulence
UR - http://www.scopus.com/inward/record.url?scp=85009238119&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85009238119&partnerID=8YFLogxK
U2 - 10.3233/JAE-162183
DO - 10.3233/JAE-162183
M3 - Article
AN - SCOPUS:85009238119
VL - 52
SP - 113
EP - 120
JO - International Journal of Applied Electromagnetics and Mechanics
JF - International Journal of Applied Electromagnetics and Mechanics
SN - 1383-5416
IS - 1-2
ER -