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Soft computing approaches for thermal conductivity estimation of CNT/water nanofluid / Mohammad Hossein Ahmadi in REVUE DES COMPOSITES ET DES MATERIAUX AVANCES, Vol. 29, N° 2 (04/2019)
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Titre : Soft computing approaches for thermal conductivity estimation of CNT/water nanofluid Type de document : texte imprimé Auteurs : Mohammad Hossein Ahmadi, Auteur ; Mahyar Ghazvini, Auteur ; Alireza Baghban, Auteur ; Masoud Hadipoor, Auteur ; Parinaz Seifaddini, Auteur ; Mohammad Ramezannezhad, Auteur ; Roghayeh Ghasempour, Auteur ; Ravinder Kumar, Auteur ; Mikhail A. Sheremet, Auteur ; Giulio Lorenzini, Auteur Année de publication : 2019 Article en page(s) : p. 71-82 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Eau
Nanofluides
Nanotubes
Réseaux neuronaux (informatique)
ThermocinétiqueIndex. décimale : 620.5 Nanotechnologies Résumé : One of the auspicious nanomaterials which has exceptionally enticed researchers is carbon nanotubes (CNTs) as the result of their excellent thermal properties. In this investigation, an experiment was carried out on three kinds of CNTs-nanofluids with varions CNTs added to de-ionized water to compared and analyze their thermal conductivity properties. The main purpose of this study was to introduce a combination of experimental and modelling approaches to forecast the amount of thermal conductivity using four different neural networks. Between MLP-ANN, ANFIS, LSSVM, and RBF-ANN Methods, it was found that the LSSVM produced better results with the lowest deviation factor and reflected the most accurate responses between the proposed models. the regression diagram of experimental and estimated values shows an R2 coefficient of 0.9806 and 0.9579 for training and testing sections of the ANFIS method in part a, and in the b, c and d parts of the diagram, coefficients of determination were 0.9893& 0.9967 and 0.9974 & 0.9992 and 0.9996& 0.9989 for training and testing part of MLP-ANN, RBF-ANN and LSSVM models. Also, the effect of different parameters was investigated using a sensitivity analysis method which demonstrates that the temperature is the most affecting parameter on the thermal conductivity with a releVancy factor of 0.66866. Note de contenu : - THEORY : Multilayer perceptron artificial neural network (MLP-ANN) - Adaptive neuro-fuzzy inference system (ANFIS) - Least squares support vector machine (LSSVM) - RBF-ANN
- METHODOLOGY : Pre-analysis phase - Outlier detection - Model development and verification methodology
- RESULTS AND DISCUSSION : Model validation results - Sensitivity analysisDOI : https://doi.org/10.18280/rcma.290201 En ligne : https://www.iieta.org/download/file/fid/18955 Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34797
in REVUE DES COMPOSITES ET DES MATERIAUX AVANCES > Vol. 29, N° 2 (04/2019) . - p. 71-82[article]Réservation
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