{"id":"W3189013827","doi":"10.1177/03064190211034165","title":"An improved de Laval nozzle experiment","year":2021,"lang":"en","type":"article","venue":"International Journal of Mechanical Engineering Education","topic":"Experimental Learning in Engineering","field":"Engineering","cited_by":5,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Nozzle; Isentropic process; Shock (circulatory); Compressible flow; Rocket engine nozzle; Mechanics; Flow visualization; Compressibility; Computer science; Duct (anatomy); Flow (mathematics); Simulation; Physics; 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":[0.002389079,0.0005479907,0.0007783893,0.0004370321,0.0006423221,0.00116147,0.001504657,0.00168104,0.01329516],"category_scores_gemma":[0.003800737,0.0002850838,0.0004099684,0.0003969317,0.0005957425,0.001539809,0.00229493,0.001999144,0.002090059],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000452749,"about_ca_system_score_gemma":0.0006905023,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0009067436,"about_ca_topic_score_gemma":0.0007827179,"domain_scores_codex":[0.9984049,0.0001773131,0.0001288515,0.0004421058,0.0006717265,0.0001750837],"domain_scores_gemma":[0.9967465,0.0009173443,0.0001739559,0.000766267,0.001007936,0.0003878918],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.001146054,0.001020676,0.003859451,0.0004418067,0.00002956236,0.0004263938,0.0004839756,0.004529252,0.9236094,0.003824548,0.003363084,0.05726589],"study_design_scores_gemma":[0.0005157981,0.007329473,0.01517407,0.0001213841,0.00008897251,0.0008056964,0.0002189325,0.02515329,0.867179,0.001794385,0.0812669,0.0003519988],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7108859,0.0007765703,0.2372136,0.001293118,0.0008366522,0.001969376,0.00377909,0.00853403,0.03471154],"genre_scores_gemma":[0.753801,0.0005550337,0.2118191,0.0008828214,0.0001466187,0.001040328,0.002652715,0.0008770974,0.02822518],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01329516,"threshold_uncertainty_score":0.04447681,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.005098788449345436,"score_gpt":0.2668078638876061,"score_spread":0.2617090754382607,"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."}}