{"id":"W2314631383","doi":"10.2514/6.2014-3193","title":"Acoustic-entropy coupling behavior and acoustic scattering properties of a Laval nozzle","year":2014,"lang":"en","type":"article","venue":"","topic":"Combustion and flame dynamics","field":"Engineering","cited_by":7,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"European Commission","keywords":"Reynolds-averaged Navier–Stokes equations; Nozzle; Physics; Mechanics; Combustor; Acoustic wave; Mean flow; Aeroacoustics; Entropy (arrow of time); Navier–Stokes equations; Sound pressure; Acoustics; Combustion; Classical mechanics; Computational fluid dynamics; Compressibility; Thermodynamics; Turbulence; Chemistry","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00006963932,0.0001028721,0.0001405318,0.00005539086,0.00003387282,0.0000264633,0.00006149784,0.00004292077,0.00003957852],"category_scores_gemma":[0.00002082635,0.00009196556,0.00002441967,0.00005081813,0.00004659352,0.00005965968,0.00003651375,0.00008328627,0.00000986921],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001798432,"about_ca_system_score_gemma":0.000005248878,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00001683313,"about_ca_topic_score_gemma":0.00003583941,"domain_scores_codex":[0.9995002,0.000003673541,0.0001629186,0.00009700177,0.00008837819,0.0001478356],"domain_scores_gemma":[0.9997604,0.000016693,0.00001687927,0.0001230012,0.00003097894,0.00005204136],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.000005648257,0.00001939299,0.002279715,0.000198588,0.00001074339,9.671967e-7,0.0001225818,0.2198693,0.7754034,0.000125173,0.00003291371,0.001931527],"study_design_scores_gemma":[0.0002202139,0.0000215476,0.003182154,0.00005035237,0.00004024183,0.000007836652,0.0001021511,0.985492,0.01070497,0.00000527443,0.00004869761,0.0001245532],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9139838,0.00006286678,0.08524977,0.00001438845,0.000162633,0.00009555482,0.000001595092,0.0001908192,0.0002385702],"genre_scores_gemma":[0.9989962,0.00004528015,0.0007124752,0.00001468767,0.00003804819,0.00001154006,0.00000164033,0.00002361703,0.0001564856],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.7656227,"threshold_uncertainty_score":0.3750247,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.009331441773050621,"score_gpt":0.1954886521359939,"score_spread":0.1861572103629433,"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."}}