{"cited_by_count":2372878,"description":"This cluster of papers focuses on the chemical kinetics of combustion processes, including soot formation, internal combustion engines, fuel chemistry, oxidation mechanisms, laminar flame speeds, and emissions from various hydrocarbon and biofuels. It covers a wide range of topics related to the understanding and modeling of combustion reactions in different engine and fuel systems.","display_name":"Advanced Combustion Engine Technologies","domain_id":"3","external_ids":{"openalex":"https://openalex.org/T10117","wikipedia":"https://en.wikipedia.org/wiki/Combustion_chemistry"},"field_id":"15","id":"T10117","keywords":[{"display_name":"spark ignition engine","id":"spark-ignition-engine","score":0.6377,"url":"https://openalex.org/keywords/spark-ignition-engine"},{"display_name":"internal combustion engines","id":"internal-combustion-engines","score":0.3399,"url":"https://openalex.org/keywords/internal-combustion-engines"},{"display_name":"NOx emissions","id":"nox-emissions","score":0.2808,"url":"https://openalex.org/keywords/nox-emissions"},{"display_name":"diesel engines","id":"diesel-engines","score":0.2676,"url":"https://openalex.org/keywords/diesel-engines"},{"display_name":"ignition delay","id":"ignition-delay-time","score":0.5966,"url":"https://openalex.org/keywords/ignition-delay-time"},{"display_name":"engine performance","id":"engine-performance","score":0.4448,"url":"https://openalex.org/keywords/engine-performance"},{"display_name":"exhaust gas recirculation","id":"exhaust-gas-recirculation","score":0.6015,"url":"https://openalex.org/keywords/exhaust-gas-recirculation"},{"display_name":"alternative fuels","id":"alternative-fuels","score":0.2272,"url":"https://openalex.org/keywords/alternative-fuels"},{"display_name":"soot formation","id":"soot-formation","score":0.7607,"url":"https://openalex.org/keywords/soot-formation"},{"display_name":"carbon monoxide emissions","id":"carbon-monoxide-emissions","score":0.2149,"url":"https://openalex.org/keywords/carbon-monoxide-emissions"},{"display_name":"hydrocarbon emissions","id":"hydrocarbon-emissions","score":0.395,"url":"https://openalex.org/keywords/hydrocarbon-emissions"},{"display_name":"equivalence ratio","id":"equivalence-ratio","score":0.324,"url":"https://openalex.org/keywords/equivalence-ratio"},{"display_name":"injection timing","id":"injection-timing","score":0.5321,"url":"https://openalex.org/keywords/injection-timing"},{"display_name":"heat release rate","id":"heat-release-rate","score":0.2501,"url":"https://openalex.org/keywords/heat-release-rate"},{"display_name":"combustion characteristics","id":"combustion-characteristics","score":0.2962,"url":"https://openalex.org/keywords/combustion-characteristics"},{"display_name":"compression ignition engine","id":"compression-ignition-engine","score":0.4653,"url":"https://openalex.org/keywords/compression-ignition-engine"},{"display_name":"engine efficiency","id":"engine-efficiency","score":0.4404,"url":"https://openalex.org/keywords/engine-efficiency"},{"display_name":"direct injection diesel engine","id":"direct-injection-diesel-engine","score":0.6364,"url":"https://openalex.org/keywords/direct-injection-diesel-engine"},{"display_name":"laminar burning velocity","id":"laminar-burning-velocity","score":0.5745,"url":"https://openalex.org/keywords/laminar-burning-velocity"},{"display_name":"autoignition","id":"autoignition","score":0.57,"url":"https://openalex.org/keywords/autoignition"},{"display_name":"homogeneous charge compression ignition","id":"homogeneous-charge-compression-ignition","score":0.9475,"url":"https://openalex.org/keywords/homogeneous-charge-compression-ignition"},{"display_name":"diesel engine combustion","id":"diesel-combustion","score":0.7651,"url":"https://openalex.org/keywords/diesel-combustion"},{"display_name":"compression ratio","id":"compression-ratio","score":0.2153,"url":"https://openalex.org/keywords/compression-ratio"},{"display_name":"soot emissions","id":"soot-emissions","score":0.7485,"url":"https://openalex.org/keywords/soot-emissions"},{"display_name":"ignition timing","id":"ignition-timing","score":0.7962,"url":"https://openalex.org/keywords/ignition-timing"}],"legacy_keywords":["Combustion","Chemical Kinetics","Soot Formation","Internal Combustion Engines","Fuel Chemistry","Oxidation Mechanism","Laminar Flame Speeds","Hydrocarbon Fuels","Emissions","Biofuels"],"openalex_id":"https://openalex.org/T10117","source_created_date":"2024-01-23T15:27:05","source_updated_date":"2026-10-17T03:02:00","subfield_id":"1507","url":"/topics/T10117","works_api_url":"https://api.openalex.org/works?filter=topics.id:T10117","works_count":206621,"label":"Advanced Combustion Engine Technologies","provider":"openalex","revision":"866571af04bc66ef","taxonomy_revision":"f050b5d4780b1289","title":"Advanced Combustion Engine Technologies","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"36042595746458239","address_version":"morton4x16-v1","coordinates":[3,15,1507,10117],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}