{"id":"W4414953792","doi":"10.1115/pvp2025-152980","title":"Effect of Flow Approach Angle on Flow Periodicity and Acoustic Resonance in Triangular Tube Bundles","year":2025,"lang":"en","type":"article","venue":"","topic":"Fluid Dynamics and Vibration Analysis","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Ontario Tech University","funders":"","keywords":"Strouhal number; Acoustic resonance; Flow (mathematics); Tube (container); Resonance (particle physics); Sound pressure; Heat exchanger; Potential flow","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002059333,0.00009324971,0.0002171528,0.0001585447,0.0000211483,0.00002042265,0.00005265269,0.00005485001,0.00002302983],"category_scores_gemma":[0.00005435015,0.00007792881,0.00004399395,0.0003104951,0.00002176475,0.0000347035,0.00001383303,0.00007378613,0.000001419892],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002761966,"about_ca_system_score_gemma":0.000007202799,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00003294192,"about_ca_topic_score_gemma":0.00008662239,"domain_scores_codex":[0.9995176,0.00003808999,0.0001530388,0.0001260796,0.00007208186,0.00009313294],"domain_scores_gemma":[0.9997402,0.00008257683,0.000007646543,0.0001378781,0.00001059258,0.00002113589],"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":[0.00008556894,0.0000548578,0.003189516,0.0003953844,0.00005374928,0.000002311177,0.0001419334,0.9650183,0.004960596,0.001085494,0.000476161,0.02453617],"study_design_scores_gemma":[0.0005046422,0.0000587457,0.0033759,0.00003047048,0.00002158102,2.2334e-7,0.00001605369,0.9932324,0.002604061,0.0000179624,0.00007291442,0.00006505901],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.839896,0.001002972,0.1509609,0.00004008112,0.00006171506,0.0001974672,0.00001248786,0.00007303682,0.007755371],"genre_scores_gemma":[0.997196,0.00006656231,0.002352992,0.00002734335,0.000008022076,0.00001283253,0.00001029984,0.000007114733,0.0003188258],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1573,"threshold_uncertainty_score":0.3177845,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.003630224888454576,"score_gpt":0.2079340590782087,"score_spread":0.2043038341897542,"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."}}