{"id":"W4300790825","doi":"","title":"Physical description of an isentropic flow in a Laval nozzle","year":2016,"lang":"en","type":"article","venue":"DOAJ (DOAJ: Directory of Open Access Journals)","topic":"Rocket and propulsion systems research","field":"Engineering","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Isentropic process; Nozzle; Mechanics; Flow (mathematics); Mathematics; Physics; Thermodynamics","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":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0006269735,0.000188026,0.0005670555,0.0006342253,0.00005103879,0.0002529878,0.001184155,0.00008442446,0.001844265],"category_scores_gemma":[0.0001032953,0.0001355131,0.0001143596,0.0005906498,0.00005667269,0.001987403,0.0002451223,0.0002281481,0.00002821572],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00009946536,"about_ca_system_score_gemma":0.00004943231,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004404458,"about_ca_topic_score_gemma":0.0001201504,"domain_scores_codex":[0.9980089,0.0002360379,0.0005925117,0.000226458,0.0006077669,0.0003282916],"domain_scores_gemma":[0.9990101,0.0001333783,0.0001592339,0.0003488891,0.0001570669,0.0001913008],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.0001109571,0.0001373352,0.1165379,0.0001214616,0.00004659428,0.00001844704,0.0002670021,0.0003267999,0.7312251,0.000005477366,0.004914951,0.1462881],"study_design_scores_gemma":[0.001352861,0.00003097534,0.5043396,0.0009143275,0.00001972457,0.00001151694,0.00009155033,0.006055598,0.4811405,0.002528429,0.003120692,0.0003942387],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9953398,0.001947628,0.000603743,0.00003986715,0.0003404276,0.0003007264,0.00002528848,0.00003551465,0.001367006],"genre_scores_gemma":[0.9974377,0.001890654,0.0001272097,0.000007500139,0.0002156719,0.00002826463,0.000003141511,0.00004090626,0.0002489928],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3878017,"threshold_uncertainty_score":0.9990682,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.2219930737721499,"score_gpt":0.5178697116051562,"score_spread":0.2958766378330062,"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."}}