{"id":"W2744074458","doi":"10.1299/jsmemecjo.2008.5.0_395","title":"4037 Improvement of the thrust and specific impulse by elongating and heating the Laval nozzle","year":2008,"lang":"en","type":"article","venue":"The proceedings of the JSME annual meeting","topic":"Rocket and propulsion systems research","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Propellant; Nozzle; Specific impulse; Thrust; Inlet; Impulse (physics); Materials science; Mechanics; Mass flow rate; Rocket engine nozzle; Discharge coefficient; Aerospace engineering; Mechanical engineering; Physics; Engineering; Classical mechanics","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":[0.0003471343,0.0001663269,0.0002718157,0.0002211691,0.0001710436,0.0003952555,0.0002736319,0.0001870815,0.002284097],"category_scores_gemma":[0.0004855796,0.0000879477,0.0002140522,0.0001881548,0.0002563484,0.0002908619,0.0004269535,0.0002880893,0.0004207537],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004453729,"about_ca_system_score_gemma":0.0002723695,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000487945,"about_ca_topic_score_gemma":0.0003884244,"domain_scores_codex":[0.9998379,0.000009197607,0.000007715465,0.00001868957,0.00008374145,0.00004265034],"domain_scores_gemma":[0.9997973,0.00004479214,0.00003263595,0.00003331416,0.00006257113,0.00002936011],"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":[0.0002410725,0.00005087491,0.002377795,0.00007400137,0.000007891922,0.0001364717,0.0001135749,0.005863526,0.9605578,0.001278163,0.000300033,0.02899892],"study_design_scores_gemma":[0.00002544729,0.0002607259,0.006418652,0.000008991341,0.00001299628,0.0001390869,0.00004337572,0.01798457,0.9681042,0.0001231233,0.006858996,0.0000197437],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9731315,0.0004867634,0.01718999,0.00005251107,0.00004065565,0.00001858366,0.00007905174,0.0003119879,0.008689014],"genre_scores_gemma":[0.9891985,0.0001222496,0.006739358,0.00001135887,0.000006954886,0.000008463203,0.00008612995,0.00005525485,0.003771671],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002284097,"threshold_uncertainty_score":0.007641137,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01009530340103873,"score_gpt":0.2108388284778903,"score_spread":0.2007435250768516,"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."}}