{"id":"W2042570287","doi":"10.1115/gt2002-30278","title":"On Reducing Piping Vibration Levels: Attacking the Source","year":2002,"lang":"en","type":"article","venue":"","topic":"Hydraulic and Pneumatic Systems","field":"Engineering","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"TransCanada (Canada)","funders":"Sichuan University of Science and Engineering; American Heart Association","keywords":"Noise (video); Acoustics; Vibration; Harmonics; Centrifugal compressor; Piping; Gas compressor; Noise reduction; Body orifice; Engineering; Diffuser (optics); Helmholtz resonator; Computer science; Mechanical engineering; Electrical engineering; Physics; Resonator","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":[0.0001424506,0.00008260157,0.00007909475,0.00002840253,0.00010315,0.00005479053,0.00008770588,0.0000361815,0.0004964072],"category_scores_gemma":[0.00002954072,0.0000552134,0.00002871956,0.00009147384,0.00000791586,0.00007450228,0.000007878531,0.00008831835,0.0004326123],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00003104061,"about_ca_system_score_gemma":0.00000124475,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00002057722,"about_ca_topic_score_gemma":0.000003701007,"domain_scores_codex":[0.9994742,0.00002363632,0.000159027,0.00008157952,0.0001194982,0.0001420622],"domain_scores_gemma":[0.9996312,0.0001338434,0.00001719704,0.0001851607,0.000007056044,0.00002550386],"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":[5.713666e-7,0.000009019685,0.00005244504,0.00008431469,0.0000369902,0.000001380278,0.009241058,0.888699,0.003850187,0.001495879,0.01699294,0.07953621],"study_design_scores_gemma":[0.0000694296,0.000008157299,0.0001627223,0.0001106545,0.000003352459,0.000008559297,0.0002892255,0.9925988,0.00131141,0.00003561557,0.005303984,0.00009803586],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.2585537,0.0003358702,0.4313726,0.0006813844,0.0008436916,0.0002444734,5.498705e-7,0.0008037915,0.307164],"genre_scores_gemma":[0.997601,0.000005904075,0.0001570134,0.0001824516,0.0001765296,0.000007921503,4.129536e-7,0.00001973381,0.001848974],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.7390474,"threshold_uncertainty_score":0.55605,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04034855353179063,"score_gpt":0.2170185834288657,"score_spread":0.176670029897075,"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."}}