{"id":"W2388065751","doi":"","title":"Numerical investigation on gas flow in Laval micronozzle","year":2009,"lang":"en","type":"article","venue":"Journal of Aerospace Power","topic":"Gas Dynamics and Kinetic Theory","field":"Mathematics","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Nozzle; Mechanics; Shock wave; Mach number; Supersonic speed; Overall pressure ratio; Choked flow; Compressible flow; Flow (mathematics); Pressure drop; Discharge coefficient; Materials science; Physics; Thermodynamics; Compressibility; Gas compressor","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":[0.000500767,0.0001129003,0.0002417196,0.000107352,0.00002137797,0.00002778818,0.0001310329,0.00007289161,0.00006161028],"category_scores_gemma":[0.0002678171,0.00009035639,0.00009674281,0.0001207521,0.00002620515,0.0000755677,0.000008654571,0.0003173257,0.00001303241],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00007700139,"about_ca_system_score_gemma":0.00004846455,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000002575492,"about_ca_topic_score_gemma":0.000004249818,"domain_scores_codex":[0.9990813,0.00006449797,0.000356584,0.0000882655,0.0002358771,0.0001735155],"domain_scores_gemma":[0.9993033,0.0001186832,0.0002602134,0.0001406079,0.00007531503,0.0001018569],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.003202675,0.006888425,0.03456699,0.0001614012,0.0003328813,0.001364243,0.03252069,0.0162388,0.2205931,0.4590465,0.2050582,0.02002607],"study_design_scores_gemma":[0.004814076,0.004047177,0.0620919,0.0007990816,0.00007449379,0.0004667828,0.0006569501,0.004373668,0.0178254,0.9004964,0.003654848,0.000699196],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9909954,0.00005038622,0.001399061,0.005945364,0.0002417057,0.00006556219,9.048992e-7,0.000008745479,0.00129286],"genre_scores_gemma":[0.9803915,0.00001696254,0.01877301,0.0004622364,0.00007796468,3.300977e-7,3.514906e-7,0.00001280283,0.0002648376],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.44145,"threshold_uncertainty_score":0.3684627,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01769690613595926,"score_gpt":0.2668975983113653,"score_spread":0.2492006921754061,"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."}}