Abstract
An emerging feature of nanofluids is its thermo physical properties, which leads to develop an enormous application in various fields especially in automotive sector as an engine coolant. Experimental and mathematical models were developed to predict the thermal properties of nanofluids but there is no accordance between them. For accurate prediction various machine - learning algorithms were used. In this paper, thermal conductivity ratio of CNT/H2O were predicted using Gaussian process regression method with different covariance functions and optimised using hyper parameters. The predicted results were compared with the experimental values both possess a good agreement between them. The root mean square error (RMSE) value of squared exponential covariance function with hyper parameters is 0.014926 and regression coefficient value (R2) for overall data is 0.98. The outcome of the proposed model will reduce the experimental test runs and used for accurate prediction.
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