{"id":"W2009079109","doi":"10.1243/14680874jer01408","title":"Characterizing the cyclic variability of ignition timing in a homogeneous charge compression ignition engine fuelled with <i>n</i> -heptane/iso-octane blend fuels","year":2008,"lang":"en","type":"article","venue":"International Journal of Engine Research","topic":"Advanced Combustion Engine Technologies","field":"Chemical Engineering","cited_by":103,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Homogeneous charge compression ignition; Combustion; Mean effective pressure; Materials science; Analytical Chemistry (journal); Ignition system; Heptane; Octane; Octane rating; Thermodynamics; Chemistry; Compression ratio; Combustion chamber; Organic chemistry; Physics","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001267971,0.0002055363,0.000371619,0.0007713766,0.00008615616,0.00002111622,0.0007534809,0.0001269238,0.0001274893],"category_scores_gemma":[0.001131722,0.0001507421,0.0001116394,0.0006410357,0.0001963568,0.0004309228,0.0001587805,0.001257654,0.000007769342],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003286991,"about_ca_system_score_gemma":0.00008644973,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00001333933,"about_ca_topic_score_gemma":0.000001581322,"domain_scores_codex":[0.9971602,0.0001519965,0.0007838077,0.0002255921,0.00129193,0.0003864848],"domain_scores_gemma":[0.9970827,0.0009862243,0.0003148567,0.0002851635,0.001247795,0.00008330077],"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":[0.0006182562,0.0004462283,0.0009311601,0.0001049134,0.0001902882,0.0005018048,0.0005031201,0.0598039,0.9292157,0.0007259855,0.00008187682,0.006876726],"study_design_scores_gemma":[0.004007696,0.0005623514,0.00288958,0.001585446,0.00003816266,0.002709455,0.0004702283,0.08750735,0.896546,0.001832032,0.001379952,0.0004717618],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9396551,0.0003343094,0.05711767,0.001615638,0.000231182,0.0002942685,0.00003236992,0.00008732166,0.0006321262],"genre_scores_gemma":[0.9942955,0.0008594787,0.004423507,0.00001602661,0.000272342,0.00002536018,0.00002407237,0.00003560788,0.00004812232],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.05464037,"threshold_uncertainty_score":0.6147085,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05848260203543498,"score_gpt":0.3283898982298967,"score_spread":0.2699072961944617,"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."}}