{"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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.000188756,0.0001208532,0.000234808,0.000182003,0.00002309773,0.00001307763,0.0001880229,0.00008401184,0.0002452407],"category_scores_gemma":[0.00002993559,0.0001112169,0.00005461553,0.0002065104,0.00003057153,0.0001118891,0.00003399162,0.0002146786,0.00007641661],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00003191409,"about_ca_system_score_gemma":0.00001486676,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00008434428,"about_ca_topic_score_gemma":0.00005992875,"domain_scores_codex":[0.9990849,0.00003956294,0.0002764948,0.0001258278,0.0001888403,0.0002844032],"domain_scores_gemma":[0.9996232,0.00002202171,0.00002196816,0.0002185472,0.00004951283,0.00006469817],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0002336462,0.0002071485,0.173224,0.001829555,0.0001788887,0.0003349481,0.02965408,0.00008444399,0.1663299,0.0001551794,0.00283162,0.6249366],"study_design_scores_gemma":[0.00173346,0.0002392857,0.4072953,0.0007190619,0.00002595094,0.00006539946,0.002363477,0.06460001,0.5128214,0.0002881363,0.00874826,0.001100267],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9950683,0.0006746499,0.00006411026,0.000008130443,0.0003515273,0.0001330153,0.00001305154,0.0000724585,0.003614803],"genre_scores_gemma":[0.9991788,0.0001046744,0.0003362001,0.000004120514,0.00007602778,0.00001237681,0.00001358229,0.00002820235,0.0002460444],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6238363,"threshold_uncertainty_score":0.4535292,"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."}}