{"id":"W4413218849","doi":"10.1115/gt2025-153051","title":"Optimum Pressure Ratio in a Turbojet Engine: Mathematical Expression to Determine the Pressure Ratio Required for Optimization of the Specific Thrust","year":2025,"lang":"en","type":"article","venue":"","topic":"Advanced Aircraft Design and Technologies","field":"Environmental Science","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Carleton University","funders":"","keywords":"Turbojet; Thrust; Overall pressure ratio; Gas compressor; Combustor; Turbine; Jet engine; Aerospace engineering; Computer science; Engineering; Automotive engineering; Combustion","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0009426739,0.001094601,0.0009422321,0.0007918016,0.0004627167,0.001757599,0.0008945888,0.001090826,0.003330237],"category_scores_gemma":[0.002011706,0.0005820639,0.0009905489,0.0008002803,0.001001357,0.001356274,0.000723718,0.001351796,0.001312502],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001040613,"about_ca_system_score_gemma":0.001522907,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001715784,"about_ca_topic_score_gemma":0.00224612,"domain_scores_codex":[0.999652,0.00006498682,0.00001939237,0.00004815237,0.0001820693,0.0000333335],"domain_scores_gemma":[0.999313,0.0004621364,0.00008675551,0.0000195687,0.0001104684,0.000008116172],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.00002894676,0.00006162083,0.0003785166,0.000562995,0.00002852694,0.0003213027,0.0001500761,0.9189837,0.01421775,0.04393714,0.001171389,0.02015803],"study_design_scores_gemma":[0.000006276081,0.00004519895,0.0001402366,0.00005318038,0.00001596197,0.00007227932,0.00003867649,0.988951,0.004191566,0.003932079,0.002539187,0.00001425719],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"methods","genre_scores_codex":[0.02428052,0.003269854,0.9345111,0.0003852682,0.0001350679,0.0001749093,0.0001514749,0.0001926605,0.0368991],"genre_scores_gemma":[0.7272778,0.008336677,0.2301987,0.0002545241,0.000161817,0.000852038,0.0002245527,0.0003340574,0.03235996],"genre_candidate":"methods","genre_consensus":"methods","teacher_disagreement_score":0.003330237,"threshold_uncertainty_score":0.0111407,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01493504073977735,"score_gpt":0.2442178821696427,"score_spread":0.2292828414298654,"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."}}