{"id":"https://openalex.org/W2153051683","doi":"https://doi.org/10.4271/2012-01-1106","title":"Understanding the Dynamic Evolution of Cyclic Variability at the Operating Limits of HCCI Engines with Negative Valve Overlap","display_name":"Understanding the Dynamic Evolution of Cyclic Variability at the Operating Limits of HCCI Engines with Negative Valve Overlap","publication_year":2012,"publication_date":"2012-04-13","ids":{"openalex":"https://openalex.org/W2153051683","doi":"https://doi.org/10.4271/2012-01-1106","mag":"2153051683"},"language":"en","primary_location":{"id":"doi:10.4271/2012-01-1106","doi":"https://doi.org/10.4271/2012-01-1106","is_oa":false,"landing_page_url":"https://doi.org/10.4271/2012-01-1106","pdf_url":null,"source":{"id":"https://openalex.org/S2764835558","display_name":"SAE International Journal of Engines","issn_l":"1946-3944","issn":["1946-3944","1946-3936"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-100","russia-white-list-2"],"host_organization":"https://openalex.org/P4322614468","host_organization_name":"SAE International","host_organization_lineage":["https://openalex.org/P4322614468"],"host_organization_lineage_names":["SAE International"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SAE International Journal of Engines","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5021750398","display_name":"Erik Hellstr\u00f6m","orcid":"https://orcid.org/0000-0003-1961-8014","observed_orcids":["https://orcid.org/0000-0003-1961-8014"]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Erik Hellstr\u00f6m","raw_affiliation_strings":["University of Michigan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Michigan","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089318617","display_name":"Anna G. Stefanopoulou","orcid":"https://orcid.org/0000-0003-1695-9657","observed_orcids":["https://orcid.org/0000-0003-1695-9657"]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Anna Stefanopoulou","raw_affiliation_strings":["University of Michigan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Michigan","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101888236","display_name":"Ji\u0159\u00ed V\u00e1vra","orcid":"https://orcid.org/0000-0001-7814-1995","observed_orcids":["https://orcid.org/0000-0001-7814-1995"]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jiri Vavra","raw_affiliation_strings":["University of Michigan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Michigan","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109085154","display_name":"Aristotelis Babajimopoulos","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Aristotelis Babajimopoulos","raw_affiliation_strings":["University of Michigan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Michigan","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014452715","display_name":"Dennis N. Assanis","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Dennis N. Assanis","raw_affiliation_strings":["University of Michigan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Michigan","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006956791","display_name":"Li Jiang","orcid":"https://orcid.org/0000-0003-1740-5525","observed_orcids":["https://orcid.org/0000-0003-1740-5525"]},"institutions":[{"id":"https://openalex.org/I4210120115","display_name":"Robert Bosch (United States)","ror":"https://ror.org/02venad53","country_code":"US","type":"company","lineage":["https://openalex.org/I4210120115","https://openalex.org/I889804353"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Li Jiang","raw_affiliation_strings":["Robert Bosch LLC"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Robert Bosch LLC","institution_ids":["https://openalex.org/I4210120115"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060390211","display_name":"Hakan Y\u0131lmaz","orcid":"https://orcid.org/0000-0002-2399-5085","observed_orcids":["https://orcid.org/0000-0002-2399-5085"]},"institutions":[{"id":"https://openalex.org/I4210120115","display_name":"Robert Bosch (United States)","ror":"https://ror.org/02venad53","country_code":"US","type":"company","lineage":["https://openalex.org/I4210120115","https://openalex.org/I889804353"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Hakan Yilmaz","raw_affiliation_strings":["Robert Bosch LLC"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Robert Bosch LLC","institution_ids":["https://openalex.org/I4210120115"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":5.5947,"has_fulltext":false,"cited_by_count":61,"citation_normalized_percentile":{"value":0.97021799,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"05","issue":"3","first_page":"995","last_page":"1008"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10117","display_name":"Advanced Combustion Engine Technologies","score":0.9994999766349792,"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"}},"topics":[{"id":"https://openalex.org/T10117","display_name":"Advanced Combustion Engine Technologies","score":0.9994999766349792,"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"}},{"id":"https://openalex.org/T10553","display_name":"Combustion and flame dynamics","score":9.999999747378752e-05,"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/T12139","display_name":"Advanced Thermodynamic Systems and Engines","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/homogeneous-charge-compression-ignition","display_name":"homogeneous charge compression ignition","score":0.8989999890327454},{"id":"https://openalex.org/keywords/cyclic-variation","display_name":"cyclic variation","score":0.9629999995231628},{"id":"https://openalex.org/keywords/negative-valve-overlap","display_name":"negative valve overlap","score":0.9110000133514404},{"id":"https://openalex.org/keywords/misfire","display_name":"misfire","score":0.7490000128746033},{"id":"https://openalex.org/keywords/combustion-efficiency","display_name":"combustion efficiency","score":0.7390000224113464},{"id":"https://openalex.org/keywords/heat-release","display_name":"heat release","score":0.7200000286102295},{"id":"https://openalex.org/keywords/lean-combustion","display_name":"lean combustion","score":0.574999988079071},{"id":"https://openalex.org/keywords/operating-range","display_name":"operating range","score":0.4300000071525574},{"id":"https://openalex.org/keywords/combustion-analysis","display_name":"combustion analysis","score":0.5699999928474426}],"concepts":[{"id":"https://openalex.org/C96949565","wikidata":"https://www.wikidata.org/wiki/Q5606882","display_name":"Homogeneous charge compression ignition","level":4,"score":0.6095529794692993},{"id":"https://openalex.org/C171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","level":1,"score":0.4407670795917511},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.360357403755188},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.28216123580932617},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.28101083636283875},{"id":"https://openalex.org/C105923489","wikidata":"https://www.wikidata.org/wiki/Q133235","display_name":"Combustion","level":2,"score":0.2134469747543335},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.14762607216835022},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.09332048892974854},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.08894398808479309},{"id":"https://openalex.org/C106169591","wikidata":"https://www.wikidata.org/wiki/Q909434","display_name":"Combustion chamber","level":3,"score":0.05885210633277893},{"id":"https://openalex.org/C147789679","wikidata":"https://www.wikidata.org/wiki/Q11372","display_name":"Physical chemistry","level":1,"score":0.058729320764541626}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.4271/2012-01-1106","doi":"https://doi.org/10.4271/2012-01-1106","is_oa":false,"landing_page_url":"https://doi.org/10.4271/2012-01-1106","pdf_url":null,"source":{"id":"https://openalex.org/S2764835558","display_name":"SAE International Journal of Engines","issn_l":"1946-3944","issn":["1946-3944","1946-3936"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-100","russia-white-list-2"],"host_organization":"https://openalex.org/P4322614468","host_organization_name":"SAE International","host_organization_lineage":["https://openalex.org/P4322614468"],"host_organization_lineage_names":["SAE International"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SAE International Journal of Engines","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320309652","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":39,"referenced_works":["https://openalex.org/W1489826150","https://openalex.org/W1508423640","https://openalex.org/W1520547508","https://openalex.org/W1545468160","https://openalex.org/W1552977371","https://openalex.org/W1565236977","https://openalex.org/W1586461072","https://openalex.org/W1595419249","https://openalex.org/W1596496335","https://openalex.org/W1749403424","https://openalex.org/W1757275987","https://openalex.org/W1896240286","https://openalex.org/W1947173715","https://openalex.org/W1964130326","https://openalex.org/W1968957976","https://openalex.org/W1981464208","https://openalex.org/W2006039133","https://openalex.org/W2009079109","https://openalex.org/W2011266567","https://openalex.org/W2067726012","https://openalex.org/W2077956814","https://openalex.org/W2082539096","https://openalex.org/W2084137258","https://openalex.org/W2089326395","https://openalex.org/W2093788297","https://openalex.org/W2099429436","https://openalex.org/W2101382992","https://openalex.org/W2109858741","https://openalex.org/W2124105257","https://openalex.org/W2127885369","https://openalex.org/W2160456562","https://openalex.org/W2162865923","https://openalex.org/W2167790853","https://openalex.org/W2247040575","https://openalex.org/W2265902504","https://openalex.org/W2279557332","https://openalex.org/W2318942901","https://openalex.org/W4235704507","https://openalex.org/W4237967959"],"related_works":["https://openalex.org/W7097377448","https://openalex.org/W7101059293","https://openalex.org/W2027197434","https://openalex.org/W2286607504","https://openalex.org/W2017965117","https://openalex.org/W2064929251","https://openalex.org/W7098831514","https://openalex.org/W60156285","https://openalex.org/W3177235065","https://openalex.org/W2247040575"],"abstract_inverted_index":{"An":[0],"experimental":[1],"study":[2],"is":[3,34,61,122],"performed":[4],"for":[5,50,63,124],"homogeneous":[6],"charge":[7],"compression":[8],"ignition":[9],"(HCCI)":[10],"combustion":[11,58,71,80],"focusing":[12],"on":[13],"late":[14],"phasing":[15],"conditions":[16,133],"with":[17,134],"high":[18,135],"cyclic":[19],"variability":[20],"(CV)":[21],"approaching":[22],"misfire.":[23],"High":[24],"CV":[25,44],"limits":[26],"the":[27,32,39,43,52,65,94,101,105,116,128],"feasible":[28],"operating":[29,53],"range":[30,54],"and":[31,37,86,103,126],"objective":[33],"to":[35,47,100,104,115],"understand":[36],"quantify":[38],"dominating":[40],"effects":[41],"of":[42,55,70],"in":[45,68,113],"order":[46],"enable":[48],"controls":[49],"widening":[51],"HCCI.":[56],"A":[57],"analysis":[59],"method":[60],"developed":[62],"explaining":[64],"dynamic":[66],"coupling":[67,110],"sequences":[69],"cycles":[72],"where":[73],"important":[74],"variables":[75],"are":[76],"residual":[77],"gas":[78],"temperature,":[79],"efficiency,":[81],"heat":[82],"release":[83],"during":[84],"re-compression,":[85],"unburned":[87,95],"fuel":[88,96],"mass.":[89],"The":[90],"results":[91],"show":[92],"that":[93,121],"mass":[97],"carries":[98],"over":[99],"re-compression":[102],"next":[106],"cycle":[107],"creating":[108],"a":[109],"between":[111],"cycles,":[112],"addition":[114],"well":[117],"known":[118],"temperature":[119],"coupling,":[120],"essential":[123],"understanding":[125],"predicting":[127],"HCCI":[129],"behavior":[130],"at":[131],"lean":[132],"CV.":[136]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":10},{"year":2014,"cited_by_count":7},{"year":2013,"cited_by_count":6},{"year":2012,"cited_by_count":4}],"updated_date":"2026-11-12T12:28:57.059296","created_date":"2016-06-24T00:00:00"}