{"id":{"repo_id":"upm","oai_identifier":"oai:oa.upm.es:1976"},"canonical_url":"https://search.dev.ndltd.org/etd/upm/oai:oa.upm.es:1976","repository":{"repo_id":"upm","name":"Universidad Politécnica de Madrid","base_url":"https://oa.upm.es/cgi/oai2"},"display":{"title":"On the structure of laminar diffusion flames","abstract":"The structure of laminar diffusion flames is analyzed in the limiting case of large, although finite, reaction rates. It is shown that the chemical reaction takes place only in a very thin region or \"chemical boundary layer\" where convection effects may be neglected. Then the temperature and mass fraction distributions within the reaction zone are obtained analytically. The flame position, rates of fuel consumption, and temperature and concentration distributions outside of the reaction zone may be obtained by using the assumption of infinite reaction rates. For large Reynolds numbers mixing and combustion take place in boundary layers and free mixing layers. And again analytical solutions are obtained for the tempera ture and mass fraction distributions outside of the reaction zone.","abstract_html":"The structure of laminar diffusion flames is analyzed in the limiting case of large, although finite, reaction rates. It is shown that the chemical reaction takes place only in a very thin region or "chemical boundary layer" where convection effects may be neglected. Then the temperature and mass fraction distributions within the reaction zone are obtained analytically. The flame position, rates of fuel consumption, and temperature and concentration distributions outside of the reaction zone may be obtained by using the assumption of infinite reaction rates. For large Reynolds numbers mixing and combustion take place in boundary layers and free mixing layers. And again analytical solutions are obtained for the tempera ture and mass fraction distributions outside of the reaction zone.","abstract_has_math":false,"creators":["Liñán Martínez, Amable"],"institution":"Aeronauticos","degree_name":"phd","degree_level":"doctoral","degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1963,"date_issued":"1963","date_published":"1963","updated_at":"2026-07-24T05:40:16Z","subjects":["Química","Física"],"languages":["en"],"rights":["by-nc-nd"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://doi.org/10.20868/UPM.thesis.1976","outbound_label":"DOI","outbound_source":"dc:identifier.doi"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Liñán Martínez, Amable"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1963"]},{"key":"dc:date.issued","label":"Date","values":["1963"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Motopropulsion"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["Aeronauticos"]},{"key":"dc:relation.isreferencedby","label":"Dc Relation Isreferencedby","values":["https://oa.upm.es/1976/"]},{"key":"dc:type","label":"Dc Type","values":["Tesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["doctoral"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["phd"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Química","Física"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["by-nc-nd"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.doi","label":"DOI","values":["10.20868/UPM.thesis.1976"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://oa.upm.es/1976/1/AMABLE_LINAN_MARTINEZ.pdf"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The structure of laminar diffusion flames is analyzed in the limiting case of large, although finite, reaction rates. It is shown that the chemical reaction takes place only in a very thin region or \"chemical boundary layer\" where convection effects may be neglected. Then the temperature and mass fraction distributions within the reaction zone are obtained analytically. The flame position, rates of fuel consumption, and temperature and concentration distributions outside of the reaction zone may be obtained by using the assumption of infinite reaction rates. For large Reynolds numbers mixing and combustion take place in boundary layers and free mixing layers. And again analytical solutions are obtained for the tempera ture and mass fraction distributions outside of the reaction zone."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["On the structure of laminar diffusion flames"]}]}],"canonical_facts":{"dc:creator":["Liñán Martínez, Amable"],"dc:date":["1963"],"dc:date.issued":["1963"],"dc:description.abstract":["The structure of laminar diffusion flames is analyzed in the limiting case of large, although finite, reaction rates. It is shown that the chemical reaction takes place only in a very thin region or \"chemical boundary layer\" where convection effects may be neglected. Then the temperature and mass fraction distributions within the reaction zone are obtained analytically. The flame position, rates of fuel consumption, and temperature and concentration distributions outside of the reaction zone may be obtained by using the assumption of infinite reaction rates. For large Reynolds numbers mixing and combustion take place in boundary layers and free mixing layers. And again analytical solutions are obtained for the tempera ture and mass fraction distributions outside of the reaction zone."],"dc:format":["application/pdf"],"dc:identifier.doi":["10.20868/UPM.thesis.1976"],"dc:identifier.uri":["https://oa.upm.es/1976/1/AMABLE_LINAN_MARTINEZ.pdf"],"dc:language":["en"],"dc:publisher.department":["Motopropulsion"],"dc:publisher.institution":["Aeronauticos"],"dc:relation.isreferencedby":["https://oa.upm.es/1976/"],"dc:rights":["by-nc-nd"],"dc:subject":["Química","Física"],"dc:title":["On the structure of laminar diffusion flames"],"dc:type":["Tesis"],"dc:type.qualificationlevel":["doctoral"],"dc:type.qualificationname":["phd"]},"updated_at":"2026-07-24T05:40:16Z"}