Publicado 18 números por año
ISSN Imprimir: 1064-2285
ISSN En Línea: 2162-6561
IF:
1.7
5-Year IF:
1.4
Immediacy Index:
0.6
Eigenfactor:
0.00072
JCI:
0.43
SJR:
0.318
SNIP:
0.568
CiteScore™::
3.5
H-Index:
28
Indexed in
DAMAGE OF NANOPARTICLES AND PIPE SURFACE DUE TO THE INTERACTION OF A NANOFLUID WITH SYSTEM COMPONENTS − AN EXPERIMENTAL STUDY
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SINOPSIS
The present study discusses the effect exerted on the nanoparticle and nanotribological behavior of a system component due to the interaction with a nanofluid over the time period of 200 h. The Al2O3 nanomaterial with water as the base fluid is used with 0.1-7.5% concentration range and circulated simultaneously through a developed setup in similar operating conditions. The results show enhancement in the thermal conductivity of the nanofluid which is directly proportional to the persentage concentration, but the thermal conductivity decreases over the test period. The correlation is developed to investigate the deterioration in the thermal conductivity with regard to time and percentage concentration using Design of Experiments-Response Surface Method (DOE-RSM). Scanning Electron Microscopy (SEM) and Transmission Electron Microscopy (TEM) are carried out to test the fluid condition before and after the test, where nanoparticle clustering and breaking are observed after the test duration. Further, a microscopic and surface roughness analysis is done for surface condition monitoring; the intense scratches on the pipe surface are observed due to the presence of the nanofluid.
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