Thermo-economic performance analysis and multi-objective optimization of viscosity ratio and thermal conductivity ratio of copper oxide-palm oil nanolubricants
Through experimental research, this work explores the thermophysical properties, cooling efficiency, and economic viability of copper oxide-palm oil nanolubricants in tribology applications. The viscosity and thermal conductivity of the nanolubricants were tested at three different volume concentrat...
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2025
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my.uniten.dspace-362192025-03-03T15:41:37Z Thermo-economic performance analysis and multi-objective optimization of viscosity ratio and thermal conductivity ratio of copper oxide-palm oil nanolubricants Sofiah A.G.N. Pasupuleti J. Samykano M. Rajamony R.K. Pandey A.K. Sulaiman N.F. 57197805797 11340187300 57192878324 57218845246 36139061100 57215633057 Cooling Critical temperature Economic efficiency Multiobjective optimization Temperature Thermal conductivity of solids Thermal modeling Economic performance Multi-objectives optimization Nanolubricants Performances analysis Property Thermal Thermal conductivity ratio Thermoeconomic Viscosity ratios Volume concentration Viscosity Through experimental research, this work explores the thermophysical properties, cooling efficiency, and economic viability of copper oxide-palm oil nanolubricants in tribology applications. The viscosity and thermal conductivity of the nanolubricants were tested at three different volume concentrations (0.1, 0.3, and 0.5 vol. %) throughout a temperature range of 30 �C to 80 �C at intervals of 10 �C. Researchers looked attentively at how the viscosity and thermal conductivity ratios of the nanolubricants were affected by temperature and volume concentration. A significant increase in thermal conductivity was noted with increasing concentration and temperature. On the other hand, as temperature increased, viscosity reduced and was dependent on volume concentration. The property enhancement ratio was used to evaluate the nanolubricants' cooling capacity before an economic analysis of their cooling efficacy was conducted. Based on experimental data, the study led to the creation of novel correlations between the viscosity ratio and thermal conductivity ratio. These models showed a high degree of agreement (R2 values of 99.47% for the thermal conductivity ratio and 97.78% for the viscosity ratio) between the expected and actual outcomes. The ideal values of the viscosity and thermal conductivity ratios were 1.10 and 1.62, respectively. These values corresponded to a critical temperature of 37.32 �C and a volume concentration of 0.16 vol. % for nanoadditives. The findings offer valuable insights into optimizing nanolubricants for enhanced cooling performance in tribological systems, with potential applications in improving energy efficiency and reducing operational costs in industrial processes. ? 2024 Author(s). Final 2025-03-03T07:41:36Z 2025-03-03T07:41:36Z 2024 Article 10.1063/5.0233392 2-s2.0-85208667876 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85208667876&doi=10.1063%2f5.0233392&partnerID=40&md5=f64130f45a39673380be5f12d9c317dd https://irepository.uniten.edu.my/handle/123456789/36219 36 11 112007 American Institute of Physics Scopus |
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Cooling Critical temperature Economic efficiency Multiobjective optimization Temperature Thermal conductivity of solids Thermal modeling Economic performance Multi-objectives optimization Nanolubricants Performances analysis Property Thermal Thermal conductivity ratio Thermoeconomic Viscosity ratios Volume concentration Viscosity |
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Cooling Critical temperature Economic efficiency Multiobjective optimization Temperature Thermal conductivity of solids Thermal modeling Economic performance Multi-objectives optimization Nanolubricants Performances analysis Property Thermal Thermal conductivity ratio Thermoeconomic Viscosity ratios Volume concentration Viscosity Sofiah A.G.N. Pasupuleti J. Samykano M. Rajamony R.K. Pandey A.K. Sulaiman N.F. Thermo-economic performance analysis and multi-objective optimization of viscosity ratio and thermal conductivity ratio of copper oxide-palm oil nanolubricants |
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Through experimental research, this work explores the thermophysical properties, cooling efficiency, and economic viability of copper oxide-palm oil nanolubricants in tribology applications. The viscosity and thermal conductivity of the nanolubricants were tested at three different volume concentrations (0.1, 0.3, and 0.5 vol. %) throughout a temperature range of 30 �C to 80 �C at intervals of 10 �C. Researchers looked attentively at how the viscosity and thermal conductivity ratios of the nanolubricants were affected by temperature and volume concentration. A significant increase in thermal conductivity was noted with increasing concentration and temperature. On the other hand, as temperature increased, viscosity reduced and was dependent on volume concentration. The property enhancement ratio was used to evaluate the nanolubricants' cooling capacity before an economic analysis of their cooling efficacy was conducted. Based on experimental data, the study led to the creation of novel correlations between the viscosity ratio and thermal conductivity ratio. These models showed a high degree of agreement (R2 values of 99.47% for the thermal conductivity ratio and 97.78% for the viscosity ratio) between the expected and actual outcomes. The ideal values of the viscosity and thermal conductivity ratios were 1.10 and 1.62, respectively. These values corresponded to a critical temperature of 37.32 �C and a volume concentration of 0.16 vol. % for nanoadditives. The findings offer valuable insights into optimizing nanolubricants for enhanced cooling performance in tribological systems, with potential applications in improving energy efficiency and reducing operational costs in industrial processes. ? 2024 Author(s). |
| author2 |
57197805797 |
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57197805797 Sofiah A.G.N. Pasupuleti J. Samykano M. Rajamony R.K. Pandey A.K. Sulaiman N.F. |
| format |
Article |
| author |
Sofiah A.G.N. Pasupuleti J. Samykano M. Rajamony R.K. Pandey A.K. Sulaiman N.F. |
| author_sort |
Sofiah A.G.N. |
| title |
Thermo-economic performance analysis and multi-objective optimization of viscosity ratio and thermal conductivity ratio of copper oxide-palm oil nanolubricants |
| title_short |
Thermo-economic performance analysis and multi-objective optimization of viscosity ratio and thermal conductivity ratio of copper oxide-palm oil nanolubricants |
| title_full |
Thermo-economic performance analysis and multi-objective optimization of viscosity ratio and thermal conductivity ratio of copper oxide-palm oil nanolubricants |
| title_fullStr |
Thermo-economic performance analysis and multi-objective optimization of viscosity ratio and thermal conductivity ratio of copper oxide-palm oil nanolubricants |
| title_full_unstemmed |
Thermo-economic performance analysis and multi-objective optimization of viscosity ratio and thermal conductivity ratio of copper oxide-palm oil nanolubricants |
| title_sort |
thermo-economic performance analysis and multi-objective optimization of viscosity ratio and thermal conductivity ratio of copper oxide-palm oil nanolubricants |
| publisher |
American Institute of Physics |
| publishDate |
2025 |
| _version_ |
1825816055880089600 |
| score |
13.244413 |