{"id":"W4323658991","doi":"10.5380/reterm.v21i4.89674","title":"CONVERGENT AND DIVERGENT ANGLES OF A SOLID-FUEL ROCKET NOZZLE AND ITS INFLUENCES ON THE MOTOR’S THRUST CURVE","year":2023,"lang":"en","type":"article","venue":"Revista de Engenharia Térmica","topic":"Rocket and propulsion systems research","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Nozzle; Thrust; Mechanics; Propulsion; Geometry; Specific impulse; Aerospace engineering; Mechanical engineering; Physics; Engineering; Mathematics","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":[0.0005476826,0.0004629126,0.0004103289,0.0004406714,0.0002508139,0.00128986,0.0003022052,0.0004985402,0.002353019],"category_scores_gemma":[0.003423261,0.0001814788,0.0003211061,0.0003264946,0.0004838749,0.000741264,0.0004972076,0.0004317146,0.0005112728],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000270149,"about_ca_system_score_gemma":0.0002944379,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0005727739,"about_ca_topic_score_gemma":0.0004147025,"domain_scores_codex":[0.9995454,0.00005669258,0.00002807964,0.00009000098,0.0001882708,0.00009149261],"domain_scores_gemma":[0.9981716,0.0009963068,0.000256554,0.0001285303,0.0003339384,0.000113121],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.003995616,0.0002976291,0.07174931,0.0008824263,0.0001138767,0.002435965,0.0005427613,0.3634641,0.420196,0.005681175,0.00125307,0.1293881],"study_design_scores_gemma":[0.000126427,0.003885694,0.1264376,0.0002423303,0.000234344,0.002032396,0.001817378,0.3003731,0.5499146,0.00261898,0.01207656,0.0002404946],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9805058,0.0005825161,0.0116596,0.00004502716,0.00004845257,0.00001657724,0.0001090487,0.0001066292,0.006926433],"genre_scores_gemma":[0.9979917,0.0001432039,0.001254888,0.000006096909,0.000003942584,0.00000468511,0.00006645673,0.00003349327,0.0004955417],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002353019,"threshold_uncertainty_score":0.007871628,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03688816171123543,"score_gpt":0.2894879270053966,"score_spread":0.2525997652941612,"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."}}