{"id":"W3197537165","doi":"10.18280/mmep.080402","title":"Borehole Thermal Analysis for a Closed Loop Vertical U-Tube DX Ground Heat Exchanger","year":2021,"lang":"en","type":"article","venue":"Mathematical Modelling and Engineering Problems","topic":"Geothermal Energy Systems and Applications","field":"Energy","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Université de Lorraine","keywords":"Borehole; Heat exchanger; Sizing; Condenser (optics); Mechanics; Thermal; Thermal resistance; Tube (container); Heat transfer; Materials science; Engineering; Geotechnical engineering; Mechanical engineering; Thermodynamics; Physics; Chemistry; Optics","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001874459,0.0002019419,0.0003862165,0.00007826239,0.00009989807,0.0000964366,0.00008858535,0.000125865,0.00008069809],"category_scores_gemma":[0.00002456869,0.0001767003,0.0001788902,0.0003163643,0.00002546335,0.00005960108,0.00003653453,0.0001135256,0.00001608576],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002108364,"about_ca_system_score_gemma":0.00001203583,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002616739,"about_ca_topic_score_gemma":0.00001244092,"domain_scores_codex":[0.9987854,0.00001630814,0.0003470782,0.0003349462,0.0001520151,0.0003642503],"domain_scores_gemma":[0.9993017,0.0001604075,0.00001693691,0.000300022,0.00006924299,0.0001517069],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.000003668851,0.00007188634,0.000009211392,0.0002522021,0.0002262482,0.000001898201,0.0003015971,0.8770685,0.005044967,0.1168318,0.000003531498,0.0001844734],"study_design_scores_gemma":[0.0002836813,0.00001979083,0.00005509994,0.00007250215,0.0002227714,0.000007901386,0.00003118644,0.9908444,0.000907019,0.004586834,0.00274311,0.000225666],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.3638944,0.0003387446,0.6345546,0.0001714329,0.000029922,0.0001232923,0.000005175519,0.0001167467,0.0007656758],"genre_scores_gemma":[0.9819467,0.0000180404,0.01685725,0.00004187706,0.0001138503,0.0002749196,0.00003210394,0.00005013404,0.0006650896],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.6180523,"threshold_uncertainty_score":0.720563,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03015182320763812,"score_gpt":0.2207569444413869,"score_spread":0.1906051212337487,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}