{"id":"W4412499586","doi":"10.1134/s1063785025700130","title":"Discharge in a Supersonic Gas Flow in the Expanding Region of a Laval Nozzle","year":2025,"lang":"en","type":"article","venue":"Technical Physics Letters","topic":"Plasma and Flow Control in Aerodynamics","field":"Engineering","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Nozzle; Supersonic speed; Mechanics; Choked flow; Flow (mathematics); Materials science; Discharge coefficient; Environmental science; Aerospace engineering; Physics; Engineering","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002041068,0.0001894732,0.0003217833,0.000281079,0.0003692537,0.0005219302,0.0003615537,0.0004072723,0.0008420997],"category_scores_gemma":[0.000415177,0.0001034654,0.0003109139,0.0001641817,0.0007364763,0.0003360321,0.0003356269,0.00022357,0.0001168765],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008944793,"about_ca_system_score_gemma":0.0003132579,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003609297,"about_ca_topic_score_gemma":0.0009557583,"domain_scores_codex":[0.9999356,0.0000140152,0.000001721584,0.00001209432,0.00001834418,0.00001822109],"domain_scores_gemma":[0.9999204,0.00003280471,0.00001328099,0.000004712587,0.00001854831,0.00001028319],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0008030544,0.0001685221,0.008087492,0.0002426554,0.0000769799,0.003456632,0.001113545,0.4612969,0.4456832,0.05908954,0.001299054,0.01868243],"study_design_scores_gemma":[0.00009410839,0.0004178977,0.006750657,0.00001689064,0.00002410651,0.0004762652,0.0002325933,0.9518668,0.03358831,0.004420963,0.002080258,0.000031091],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9609197,0.0004521196,0.02886212,0.0001688048,0.00001744206,0.00003083786,0.00005276594,0.0001380725,0.009358188],"genre_scores_gemma":[0.997947,0.00006578586,0.0008235225,0.00001327357,0.000006016541,0.000005099062,0.00001955446,0.000005843707,0.001113728],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003609297,"threshold_uncertainty_score":0.007176578,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.00737276653899306,"score_gpt":0.2143832863978981,"score_spread":0.207010519858905,"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."}}