{"id":"https://openalex.org/keywords/flame-speed","display_name":"flame speed","description":"Flame speed is the rate at which a flame front propagates through a combustible mixture, studied in combustion and explosion science.","display_name_alternatives":["flame speeds","flame propagation rate","flame propagation speed","flame propagation velocity","flame velocity"],"ids":{"openalex":"https://openalex.org/keywords/flame-speed","wikidata":"https://www.wikidata.org/wiki/Q3561224"},"primary_topic":{"id":"https://openalex.org/T10553","display_name":"Combustion and flame dynamics","score":0.3155,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10553","display_name":"Combustion and flame dynamics","score":0.3155,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11619","display_name":"Combustion and Detonation Processes","score":0.2812,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10117","display_name":"Advanced Combustion Engine Technologies","score":0.2437,"subfield":{"id":"https://openalex.org/subfields/1507","display_name":"Fluid Flow and Transfer Processes"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"works_count":6500,"cited_by_count":121945,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/flame-speed","updated_date":"2026-10-22T04:07:25","created_date":"2022-04-12T19:38:12"}
