{"id":"W3198387048","doi":"10.1088/1742-6596/2012/1/012089","title":"Numerical Simulation of Flow Field in the Laval Nozzle Based on Euler Equation","year":2021,"lang":"en","type":"article","venue":"Journal of Physics Conference Series","topic":"Flow Measurement and Analysis","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Nozzle; Mechanics; Discharge coefficient; Flow (mathematics); Euler equations; Discretization; Mass flow rate; External flow; Internal flow; Euler's formula; Physics; Mathematics; Mathematical analysis; 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":[],"consensus_categories":[],"category_scores_codex":[0.0001490814,0.00005727665,0.0001363445,0.00003369429,0.0000147624,0.00002501879,0.00007036068,0.00002384676,0.00005236525],"category_scores_gemma":[0.0000924744,0.00004258606,0.00007350995,0.000182901,0.00000888572,0.000165515,0.000002809004,0.0001287065,0.000001391533],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001271494,"about_ca_system_score_gemma":0.00004797447,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000002763651,"about_ca_topic_score_gemma":0.000008029957,"domain_scores_codex":[0.9993948,0.0000456942,0.0002022858,0.00003672823,0.0002610355,0.00005941877],"domain_scores_gemma":[0.9995154,0.0001447505,0.00006732572,0.0000790358,0.0001809898,0.00001254016],"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":[0.00002163366,0.00004167356,0.0006758581,0.0000198978,0.00001918026,0.000003774619,0.000404009,0.9756675,0.007077797,0.0004174837,0.00004973721,0.0156014],"study_design_scores_gemma":[0.0001900254,0.00008335408,0.001239095,0.00006817499,0.00002380026,4.794682e-7,0.0001802048,0.8520432,0.1451101,0.0009130349,0.00009654879,0.00005202186],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.2116126,0.00006565388,0.7848586,0.001135072,0.0003073033,0.00005241145,0.000003113939,0.00001228917,0.001952997],"genre_scores_gemma":[0.9993486,0.00001267707,0.0004790754,0.0000439208,0.0001009577,5.599993e-7,0.000003061448,0.000004003903,0.000007186743],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.787736,"threshold_uncertainty_score":0.1736609,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03805753461578022,"score_gpt":0.245335194524709,"score_spread":0.2072776599089288,"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."}}