{"id":"W1847284621","doi":"","title":"Case study: The use of 'high-solidity' low noise axial fans to reduce noise from a rooftop air-handling unit","year":2001,"lang":"en","type":"article","venue":"Canadian acoustics","topic":"Noise Effects and Management","field":"Health Professions","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"BGC Engineering (Canada)","funders":"","keywords":"Solidity; Propeller; Noise (video); Condenser (optics); Fan coil unit; Engineering; Acoustics; Unit (ring theory); Electromagnetic coil; Air gap (plumbing); Mechanical fan; Marine engineering; Automotive engineering; Electrical engineering; Mechanical engineering; Heat exchanger; Materials science; Computer science; Physics; Optics","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0009420675,0.0009954894,0.0004866194,0.000890584,0.004052879,0.0008936171,0.002141453,0.003837672,0.002209162],"category_scores_gemma":[0.004246898,0.0005120751,0.0005929388,0.0005747533,0.001445019,0.0006727621,0.0009776955,0.0009621384,0.0003988823],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001114065,"about_ca_system_score_gemma":0.001249417,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01946265,"about_ca_topic_score_gemma":0.0477423,"domain_scores_codex":[0.9974682,0.0009717462,0.0001158527,0.0002469337,0.0007842327,0.0004130644],"domain_scores_gemma":[0.9973731,0.001495564,0.0003022933,0.0001517894,0.0003441024,0.0003332439],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"case_report","study_design_gemma":"case_report","study_design_scores_codex":[0.00163506,0.005542484,0.09366823,0.002787329,0.0003250481,0.5367296,0.1205325,0.04297155,0.04331597,0.009901899,0.0104606,0.1321297],"study_design_scores_gemma":[0.0005243766,0.009571662,0.0923105,0.001143061,0.0006305458,0.4116772,0.2180613,0.04796286,0.1162391,0.003069971,0.09827205,0.0005374562],"study_design_candidate":"case_report","study_design_consensus":"case_report","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9805326,0.000326991,0.00980815,0.0007008649,0.00003677088,0.000288025,0.00007542405,0.00005615923,0.008174873],"genre_scores_gemma":[0.9849139,0.0003668641,0.01036449,0.0001902583,0.0000329267,0.00007525053,0.00003407356,0.00002092671,0.004001409],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.9805374,"threshold_uncertainty_score":0.03869873,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1114929750490679,"score_gpt":0.362481591872712,"score_spread":0.2509886168236442,"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."}}