{"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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0004734888,0.0003972546,0.0005992171,0.0005001065,0.0005848809,0.0005806393,0.0005688979,0.0009363194,0.001213643],"category_scores_gemma":[0.001058443,0.0002198121,0.0004954457,0.0004372992,0.0006323553,0.0005225684,0.0004955952,0.0004615247,0.000091402],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005390381,"about_ca_system_score_gemma":0.0008361011,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0111648,"about_ca_topic_score_gemma":0.003382373,"domain_scores_codex":[0.9998358,0.00003962269,0.00001295414,0.00002667392,0.00005051592,0.0000342962],"domain_scores_gemma":[0.9995856,0.0002241696,0.00005074322,0.00002247098,0.00008954997,0.00002745279],"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":[0.00009419797,0.0000617786,0.004124433,0.0000895579,0.00001600817,0.0002199682,0.0001516291,0.9711208,0.01332762,0.00530861,0.0002278038,0.005257477],"study_design_scores_gemma":[0.000007093222,0.00001332634,0.0002578202,0.00000343066,0.000001679411,0.00000711096,0.000009804707,0.9985992,0.0008466967,0.0001374094,0.0001117718,0.000004686742],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7724905,0.0005150454,0.2135031,0.0003721004,0.0001546795,0.0001363207,0.000322444,0.0005451699,0.0119606],"genre_scores_gemma":[0.9688736,0.0001917888,0.02882485,0.00002720077,0.00001096315,0.00007353864,0.0001237762,0.00002436604,0.001849956],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0111648,"threshold_uncertainty_score":0.02219957,"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."}}