Figure 11
The vertical axis lists temperature difference, average soil thermal conductivity, concrete thermal conductivity, number of loops, pile diameter, pile length and fluid velocity. The horizontal axis represents mean absolute Shapley additive explanations in watts per metre. In the Day 1 panel, the horizontal axis ranges from 0 to 35 watts per metre. Temperature difference is about 32.5, number of loops is 29.5, concrete thermal conductivity is 27.8, fluid velocity is 15.7, pile diameter is 15.2, pile length is 7.2 and average soil thermal conductivity is 4.7. In the Steady-State P panel, the horizontal axis ranges from 0 to 14 watts per metre. Temperature difference is 12.0, average soil thermal conductivity is 8.3, concrete thermal conductivity is 5.9, number of loops is 5.7, pile diameter is 3.4, pile length is 3.3 and fluid velocity is 2.2.Mean absolute SHAP contribution for the input features for the Day 1 output (left) and steady-state (right)