Journal
THERMAL SCIENCE
Volume 25, Issue -, Pages S1-S7Publisher
VINCA INST NUCLEAR SCI
DOI: 10.2298/TSCI200612001Y
Keywords
gradient boosting; thermal conductivity; regression
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The study developed a model for estimating thermal conductivity values using the extreme gradient boosting algorithm, and evaluated the performance of the model on unseen test data. The algorithm achieved encouraging results with 0.18 RAISE, 0.99 R-2, and 3.18% MAE values.
The thermal conductivity estimation for the soil is an important step for many geothermal applications. But it is a difficult and complicated process since it involves a variety of factors that have significant effects on the thermal conductivity of soils such as soil moisture and granular structure. In this study, regression was performed with the extreme gradient boosting algorithm to develop a model for estimating thermal conductivity value. The performance of the model was measured on the unseen test data. As a result, the proposed algorithm reached 0.18 RAISE, 0.99 R-2, and 3.18% MAE values which state that the algorithm is encouraging.
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