{"id":"W4381166022","doi":"10.3390/s23125665","title":"All-Optical, Air-Coupled Ultrasonic Detection of Low-Pressure Gas Leaks and Observation of Jet Tones in the MHz Range","year":2023,"lang":"en","type":"article","venue":"Sensors","topic":"Flow Measurement and Analysis","field":"Engineering","cited_by":7,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta","funders":"Natural Sciences and Engineering Research Council of Canada; Alberta Innovates; Government of Alberta","keywords":"Ultrasonic sensor; Jet (fluid); Acoustics; Range (aeronautics); Materials science; Optics; Physics; Engineering; Aerospace engineering; Composite material","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"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":[0.0002380748,0.0002248803,0.0001511697,0.0002881616,0.0001251683,0.0001855604,0.0002994205,0.0002874413,0.0007269082],"category_scores_gemma":[0.0006046348,0.0001398522,0.00006813326,0.0001739441,0.0004291522,0.0003648684,0.0003311046,0.0002459646,0.00009666305],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001677453,"about_ca_system_score_gemma":0.00009582405,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000433945,"about_ca_topic_score_gemma":0.0007142645,"domain_scores_codex":[0.9997744,0.00003854693,0.000009280388,0.00004787782,0.00009982126,0.0000299928],"domain_scores_gemma":[0.9996538,0.0001618055,0.00009005583,0.00001967753,0.00004793491,0.00002673343],"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":[0.00004246214,0.000007137489,0.0005997943,0.00003584961,0.000001678041,0.00002608943,0.00004148298,0.00006976184,0.9970896,0.00005696771,0.00001673023,0.002012489],"study_design_scores_gemma":[0.000008553883,0.000320752,0.01005794,0.000008538398,0.00001252914,0.0002652983,0.00009183076,0.003363025,0.985114,0.0001087866,0.000634624,0.00001411947],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9809479,0.0006882879,0.01718595,0.0000578561,0.0000156664,0.00001836205,0.00005831287,0.00008708519,0.0009406322],"genre_scores_gemma":[0.9873254,0.0002635151,0.01151957,0.00005839174,0.00001210623,0.00002150711,0.00002854481,0.000009146234,0.0007618134],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0007269082,"threshold_uncertainty_score":0.00243175,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02219520733051531,"score_gpt":0.220027720215,"score_spread":0.1978325128844847,"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."}}