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Stability and thermal conductivity of tri-hybrid nanofluids for high concentration in water-ethylene glycol (60:40)

Research has been focused on improving the thermal properties of single nanofluid components for recent years. Therefore, hybrid nanofluids or composites have been developed to improve heat transfer performance. Stability and thermal conductivity of Al2O3-TiO2- SiO2 nanoparticles are suspended in th...

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Main Authors: Anwar I., Ramadhan, Azmi, Wan H., Rizalman, Mamat
Format: Article
Language:English
Published: American Scientific Publishers 2021
Subjects:
TJ Mechanical engineering and machinery
Online Access:http://umpir.ump.edu.my/id/eprint/33552/1/Stability%20and%20thermal%20conductivity%20of%20tri-hybrid%20nanofluids.pdf
http://umpir.ump.edu.my/id/eprint/33552/
https://doi.org/10.2174/2210681210999200806153039
https://doi.org/10.2174/2210681210999200806153039
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spelling my.ump.umpir.335522022-04-15T04:17:34Z http://umpir.ump.edu.my/id/eprint/33552/ Stability and thermal conductivity of tri-hybrid nanofluids for high concentration in water-ethylene glycol (60:40) Anwar I., Ramadhan Azmi, Wan H. Rizalman, Mamat TJ Mechanical engineering and machinery Research has been focused on improving the thermal properties of single nanofluid components for recent years. Therefore, hybrid nanofluids or composites have been developed to improve heat transfer performance. Stability and thermal conductivity of Al2O3-TiO2- SiO2 nanoparticles are suspended in the fluid base of water (W) and ethylene glycol (EG) mixture with volume ratio of 60:40. Methods: Experiments were tri-hybrid nanofluid stability was investigated for volume concentration of 0.5 ~ 3.0%, and temperature conditions from 30 to 70°C for thermal conductivity measurements using a KD2 Pro Thermal Properties Analyzer. The experimental results show that the tri-hybrid nanofluid stability analysis was performed using a stable UV-Vis method for up to 30 days after preparation with 10 hour sonication time. Results: Comparison of data concentration ratios with sedimentation for single, hybrid, and trihybrid nanofluids yielding a stable tri-hybrid nanofluid with 80-90% value. Evaluation of zeta potential for tri-hybrid nanofluids yielded 63.72 mV in excellent stability classification. Sedimentation of this visual observation is influenced by the gravity of the movement of particles in the tube after 30 days. Conclusion: The highest thermal conductivity for tri-hybrid nanofluids was obtained at 3.0% and a maximum increase of up to 27% higher than that of the basic fluid (EG/W). Tri-hybrid nanofluids with a concentration of 0.5% gave the lowest effective thermal conductivity of 13.4% at 70°C. American Scientific Publishers 2021 Article PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/33552/1/Stability%20and%20thermal%20conductivity%20of%20tri-hybrid%20nanofluids.pdf Anwar I., Ramadhan and Azmi, Wan H. and Rizalman, Mamat (2021) Stability and thermal conductivity of tri-hybrid nanofluids for high concentration in water-ethylene glycol (60:40). Nanoscience and Nanotechnology - Asia, 11 (4). pp. 1-11. ISSN 2210 - 6812 https://doi.org/10.2174/2210681210999200806153039 https://doi.org/10.2174/2210681210999200806153039
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Anwar I., Ramadhan
Azmi, Wan H.
Rizalman, Mamat
Stability and thermal conductivity of tri-hybrid nanofluids for high concentration in water-ethylene glycol (60:40)
description Research has been focused on improving the thermal properties of single nanofluid components for recent years. Therefore, hybrid nanofluids or composites have been developed to improve heat transfer performance. Stability and thermal conductivity of Al2O3-TiO2- SiO2 nanoparticles are suspended in the fluid base of water (W) and ethylene glycol (EG) mixture with volume ratio of 60:40. Methods: Experiments were tri-hybrid nanofluid stability was investigated for volume concentration of 0.5 ~ 3.0%, and temperature conditions from 30 to 70°C for thermal conductivity measurements using a KD2 Pro Thermal Properties Analyzer. The experimental results show that the tri-hybrid nanofluid stability analysis was performed using a stable UV-Vis method for up to 30 days after preparation with 10 hour sonication time. Results: Comparison of data concentration ratios with sedimentation for single, hybrid, and trihybrid nanofluids yielding a stable tri-hybrid nanofluid with 80-90% value. Evaluation of zeta potential for tri-hybrid nanofluids yielded 63.72 mV in excellent stability classification. Sedimentation of this visual observation is influenced by the gravity of the movement of particles in the tube after 30 days. Conclusion: The highest thermal conductivity for tri-hybrid nanofluids was obtained at 3.0% and a maximum increase of up to 27% higher than that of the basic fluid (EG/W). Tri-hybrid nanofluids with a concentration of 0.5% gave the lowest effective thermal conductivity of 13.4% at 70°C.
format Article
author Anwar I., Ramadhan
Azmi, Wan H.
Rizalman, Mamat
author_facet Anwar I., Ramadhan
Azmi, Wan H.
Rizalman, Mamat
author_sort Anwar I., Ramadhan
title Stability and thermal conductivity of tri-hybrid nanofluids for high concentration in water-ethylene glycol (60:40)
title_short Stability and thermal conductivity of tri-hybrid nanofluids for high concentration in water-ethylene glycol (60:40)
title_full Stability and thermal conductivity of tri-hybrid nanofluids for high concentration in water-ethylene glycol (60:40)
title_fullStr Stability and thermal conductivity of tri-hybrid nanofluids for high concentration in water-ethylene glycol (60:40)
title_full_unstemmed Stability and thermal conductivity of tri-hybrid nanofluids for high concentration in water-ethylene glycol (60:40)
title_sort stability and thermal conductivity of tri-hybrid nanofluids for high concentration in water-ethylene glycol (60:40)
publisher American Scientific Publishers
publishDate 2021
url http://umpir.ump.edu.my/id/eprint/33552/1/Stability%20and%20thermal%20conductivity%20of%20tri-hybrid%20nanofluids.pdf
http://umpir.ump.edu.my/id/eprint/33552/
https://doi.org/10.2174/2210681210999200806153039
https://doi.org/10.2174/2210681210999200806153039
_version_ 1731225781508505600
score 13.211869

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