EFFECT OF ELECTROMAGNETIC FIELD ON THE THERMAL EFFICIENCY OF CONCENTRATED SOLAR COLLECTOR (EXPERIMENTAL STUDY)

Authors

  • Karima E. Amori Dept. of Mechanical Engr., College of Engr., University of Baghdad, Iraq
  • Dheyaa A. Khalaf Dept. of Mechanical Engr., College of Engr., University of Baghdad, Iraq
  • Firas M. Tuaimah Dept. of Mechanical Engr., College of Engr., University of Baghdad, Iraq

DOI:

https://doi.org/10.32852/iqjfmme.v22i1.584

Keywords:

Solar, electromagnetic field, ferrofluid, Parabolic solar trough collector.

Abstract

In this work, the effect of electromagnetic field on thermal performance of concentrated
parabolic trough solar collector is studied experimentally. A two-axis tracking parabolic
trough collector formed of a reflector (mirror tapes matrix), of (2m *1m), and an absorber
copper tube (receiver) is designed. Water and water-based magnetic iron oxide (Fe3O4)
nanofluid are used as heat transfer fluid in the collector. Three volume concentrations (0.3%,
0.5%, and 0.9%) of nanoparticles are investigated under a magnetic flux of (3.2, 4.3, 6.2, and
7.9*103 Gauss), which is installed at absorber inlet, middle, and exit. The three coils are
connected to a DC-generator to control the electromagnetic field. The electromagnetic field
effect on water flow in the absorber is found weak. A significant thermal improvement is
figured when utilizing ferrofluid as a heat transfer fluid in the absorber. It is represented by
higher temperature distributions in the absorber and higher solar collector efficiency
compared with base fluid.

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Published

2022-04-02

How to Cite

E. Amori, K. ., A. Khalaf, D., & M. Tuaimah, F. . (2022). EFFECT OF ELECTROMAGNETIC FIELD ON THE THERMAL EFFICIENCY OF CONCENTRATED SOLAR COLLECTOR (EXPERIMENTAL STUDY) . THE IRAQI JOURNAL FOR MECHANICAL AND MATERIALS ENGINEERING, 22(1), 42–51. https://doi.org/10.32852/iqjfmme.v22i1.584