{"id":{"repo_id":"lund","oai_identifier":"oai:lup.lub.lu.se:10151c58-4743-4846-9cec-ea7eafd2da74"},"canonical_url":"https://search.dev.ndltd.org/etd/lund/oai:lup.lub.lu.se:10151c58-4743-4846-9cec-ea7eafd2da74","repository":{"repo_id":"lund","name":"University of Lund","base_url":"https://lup.lub.lu.se/oai"},"display":{"title":"Characterization of Glow Plug and HCCI Combustion Processes in a Small Volume at High Engine Speed - Load Range, Emission Characteristics and Optical Diagnostics","abstract":"The objective of this research that has taken me halfway to my PhD degree was to understand how HCCI combustion behaves in a small volume at high rotational speed. The investigation has been carried out using a modified model airplane engine. The whole study can be divided into two main parts; in the first, the nature of the glow plug combustion was investigated through experiments on a metal engine and by use of optical diagnostics. Once the glow plug combustion process was fully understood, the engine was modified in order to achieve pure HCCI operations. Initially, a basic investigation was carried out using a metal and optical engine. Later, further research was performed on the main parameters affecting HCCI operations in such a small volume, i.e. the quenching distance, wall temperature and combustion chamber geometry. In addition to these studies, a model for calculating the amount of retained gas in a 2-stroke engine was developed and a miniature HCCI free piston engine was designed from scratch.","abstract_html":"The objective of this research that has taken me halfway to my PhD degree was to understand how HCCI combustion behaves in a small volume at high rotational speed. The investigation has been carried out using a modified model airplane engine. The whole study can be divided into two main parts; in the first, the nature of the glow plug combustion was investigated through experiments on a metal engine and by use of optical diagnostics. Once the glow plug combustion process was fully understood, the engine was modified in order to achieve pure HCCI operations. Initially, a basic investigation was carried out using a metal and optical engine. Later, further research was performed on the main parameters affecting HCCI operations in such a small volume, i.e. the quenching distance, wall temperature and combustion chamber geometry. In addition to these studies, a model for calculating the amount of retained gas in a 2-stroke engine was developed and a miniature HCCI free piston engine was designed from scratch.","abstract_has_math":false,"creators":["Manente, Vittorio"],"institution":"Lund University","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2007,"date_issued":"2007","date_published":"2007","updated_at":"2026-07-24T03:00:02Z","subjects":["Other Mechanical Engineering","optical diagnostics","millidomain combustion","HCCI","high speed"],"languages":["eng"],"rights":["info:eu-repo/semantics/openAccess"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://lup.lub.lu.se/record/574802","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Manente, Vittorio"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2007"]},{"key":"dc:publisher","label":"Institution","values":["Lund University"]},{"key":"dc:type","label":"Dc Type","values":["thesis/licentiatethesis","info:eu-repo/semantics/other","text"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Other Mechanical Engineering","optical diagnostics","millidomain combustion","HCCI","high speed"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["info:eu-repo/semantics/openAccess"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://lup.lub.lu.se/record/574802","https://portal.research.lu.se/files/4710268/574803.pdf"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The objective of this research that has taken me halfway to my PhD degree was to understand how HCCI combustion behaves in a small volume at high rotational speed. The investigation has been carried out using a modified model airplane engine. The whole study can be divided into two main parts; in the first, the nature of the glow plug combustion was investigated through experiments on a metal engine and by use of optical diagnostics. Once the glow plug combustion process was fully understood, the engine was modified in order to achieve pure HCCI operations. Initially, a basic investigation was carried out using a metal and optical engine. Later, further research was performed on the main parameters affecting HCCI operations in such a small volume, i.e. the quenching distance, wall temperature and combustion chamber geometry. In addition to these studies, a model for calculating the amount of retained gas in a 2-stroke engine was developed and a miniature HCCI free piston engine was designed from scratch."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Characterization of Glow Plug and HCCI Combustion Processes in a Small Volume at High Engine Speed - Load Range, Emission Characteristics and Optical Diagnostics"]}]}],"canonical_facts":{"dc:creator":["Manente, Vittorio"],"dc:date":["2007"],"dc:description":["The objective of this research that has taken me halfway to my PhD degree was to understand how HCCI combustion behaves in a small volume at high rotational speed. The investigation has been carried out using a modified model airplane engine. The whole study can be divided into two main parts; in the first, the nature of the glow plug combustion was investigated through experiments on a metal engine and by use of optical diagnostics. Once the glow plug combustion process was fully understood, the engine was modified in order to achieve pure HCCI operations. Initially, a basic investigation was carried out using a metal and optical engine. Later, further research was performed on the main parameters affecting HCCI operations in such a small volume, i.e. the quenching distance, wall temperature and combustion chamber geometry. In addition to these studies, a model for calculating the amount of retained gas in a 2-stroke engine was developed and a miniature HCCI free piston engine was designed from scratch."],"dc:format":["application/pdf"],"dc:identifier":["https://lup.lub.lu.se/record/574802","https://portal.research.lu.se/files/4710268/574803.pdf"],"dc:language":["eng"],"dc:publisher":["Lund University"],"dc:rights":["info:eu-repo/semantics/openAccess"],"dc:subject":["Other Mechanical Engineering","optical diagnostics","millidomain combustion","HCCI","high speed"],"dc:title":["Characterization of Glow Plug and HCCI Combustion Processes in a Small Volume at High Engine Speed - Load Range, Emission Characteristics and Optical Diagnostics"],"dc:type":["thesis/licentiatethesis","info:eu-repo/semantics/other","text"]},"updated_at":"2026-07-24T03:00:02Z"}