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Title: Development of simple-to-use predictive models to determine thermal properties of Fe2O3/water-ethylene glycol nanofluid
Authors: Ahmadi, MH
Ghahremannezhad, A
Chau, KW 
Seifaddini, P
Ramezannezhad, M
Ghasempour, R
Keywords: Nanofluid
Artificial neural network
Thermal conductivity
Dynamic viscosity
Issue Date: 2019
Publisher: Molecular Diversity Preservation International (MDPI)
Source: Computation, 21 Mar. 2019, v. 7, no. 1, 18, p. 1-27 How to cite?
Journal: Computation 
Abstract: Thermophysical properties of nanofluids play a key role in their heat transfer capability and can be significantly affected by several factors, such as temperature and concentration of nanoparticles. Developing practical and simple-to-use predictive models to accurately determine these properties can be advantageous when numerous dependent variables are involved in controlling the thermal behavior of nanofluids. Artificial neural networks are reliable approaches which recently have gained increasing prominence and are widely used in different applications for predicting and modeling various systems. In the present study, two novel approaches, Genetic Algorithm-Least Square Support Vector Machine (GA-LSSVM) and Particle Swarm Optimization- artificial neural networks (PSO-ANN), are applied to model the thermal conductivity and dynamic viscosity of Fe2O3/EG-water by considering concentration, temperature, and the mass ratio of EG/water as the input variables. Obtained results from the models indicate that GA-LSSVM approach is more accurate in predicting the thermophysical properties. The maximum relative deviation by applying GA-LSSVM was found to be approximately +/- 5% for the thermal conductivity and dynamic viscosity of the nanofluid. In addition, it was observed that the mass ratio of EG/water has the most significant impact on these properties.
EISSN: 2079-3197
DOI: 10.3390/computation7010018
Rights: © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (
The following publication Ahmadi, M.H.; Ghahremannezhad, A.; Chau, K.-W.; Seifaddini, P.; Ramezannezhad, M.; Ghasempour, R. Development of Simple-To-Use Predictive Models to Determine Thermal Properties of Fe2O3/Water-Ethylene Glycol Nanofluid. Computation 2019, 7, 18, 27 pages is available at
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