A short and coincise presentation I gave in Trondheim (Norway) on 7.11.19, which summarizes the parametric study reported in the conference paper (see the link below).

https://doi.org/10.1088/1755-1315/352/1/012011

Here is the presentation:
https://www.researchgate.net/publication/337111301_Parametric_study_for_the_long_term_energetic_performance_of_geothermal_energy_piles