{"id":"W3026286464","doi":"","title":"‘Butterfly acoustical skin’ – new method of reducing aero acoustical noise for a quiet propeller","year":2020,"lang":"en","type":"article","venue":"Canadian acoustics","topic":"Aerodynamics and Acoustics in Jet Flows","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Propeller; Acoustics; Airfoil; Noise (video); Butterfly; Wind tunnel; Scale (ratio); Marine engineering; Engineering; Aerospace engineering; Physics; Computer science; Biology; Ecology; Artificial intelligence","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001575523,0.000307648,0.0002033254,0.0002635907,0.0001400756,0.0001805799,0.0002626214,0.0002448392,0.001945627],"category_scores_gemma":[0.000154624,0.0001358831,0.0003077073,0.0001243186,0.0002302759,0.0002668359,0.0002827855,0.0003152953,0.0004120423],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00007298047,"about_ca_system_score_gemma":0.00008091909,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001492822,"about_ca_topic_score_gemma":0.0002871915,"domain_scores_codex":[0.9998525,0.00001910666,0.000005063742,0.00004054273,0.00005536024,0.00002742254],"domain_scores_gemma":[0.9999065,0.00002122588,0.00001997537,0.00001422852,0.0000206838,0.00001720482],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.00005687593,0.00003109976,0.00009931587,0.00007890313,0.000006227454,0.00005052233,0.00002422195,0.00008877699,0.9863825,0.00007972594,0.000149429,0.01295242],"study_design_scores_gemma":[0.00004980138,0.001409334,0.006444704,0.00001640685,0.00003668897,0.0006006417,0.00009425907,0.002816303,0.9764318,0.0001064479,0.01196758,0.00002604571],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9152069,0.002843535,0.07500307,0.0002695432,0.0002620338,0.0001220905,0.00008437039,0.0005119805,0.005696438],"genre_scores_gemma":[0.9517686,0.001059334,0.0406078,0.0002671657,0.00007400789,0.0000751019,0.00009227663,0.00007827362,0.005977487],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001945627,"threshold_uncertainty_score":0.006508708,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01840919278060779,"score_gpt":0.2496031984608699,"score_spread":0.2311940056802621,"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."}}