{"id":"W2368106293","doi":"","title":"Flow characteristics of natural gas in annular supersonic nozzles","year":2011,"lang":"en","type":"article","venue":"Huagong jinzhan","topic":"Rocket and propulsion systems research","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Nozzle; Supersonic speed; Mechanics; Mach number; Flow (mathematics); Discharge coefficient; Choked flow; Jet (fluid); Centrifugal force; Momentum (technical analysis); Natural gas; Materials science; Chemistry; Thermodynamics; Physics","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":[0.0002280694,0.0001778862,0.0002263869,0.0002122481,0.0001758798,0.0003286948,0.0002407921,0.0002400695,0.000384483],"category_scores_gemma":[0.0003060443,0.0001057832,0.0002081906,0.0001730856,0.000256749,0.0003979615,0.0001552351,0.0001269631,0.00006764119],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004706896,"about_ca_system_score_gemma":0.0002973713,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00263773,"about_ca_topic_score_gemma":0.001299621,"domain_scores_codex":[0.9998949,0.00001035781,0.000007797549,0.00002861017,0.00004019042,0.00001821322],"domain_scores_gemma":[0.9998665,0.00003724317,0.0000285829,0.000007702983,0.00004499501,0.00001495273],"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":[0.0004090079,0.00004284627,0.008569863,0.0001192011,0.00001402294,0.0003305502,0.0002902827,0.04535968,0.9268283,0.004154748,0.000281985,0.01359953],"study_design_scores_gemma":[0.00005771121,0.0008265949,0.02879327,0.00002167459,0.00004511749,0.0004209247,0.0002013046,0.551132,0.4128464,0.000857965,0.004706177,0.00009087026],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9814767,0.0003461234,0.01604499,0.00002243217,0.00001584937,0.00001119016,0.00008241351,0.00009917047,0.001901154],"genre_scores_gemma":[0.9953613,0.0001351312,0.003634193,0.000008512163,0.000003397328,0.000005987432,0.0001018006,0.000008053545,0.000741574],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00263773,"threshold_uncertainty_score":0.005244792,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02649376765600583,"score_gpt":0.2226789276897204,"score_spread":0.1961851600337145,"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."}}