{"id":"https://openalex.org/W7204599110","doi":"https://doi.org/10.1177/09544070261483337","title":"Influence of asymmetry ratio on exhaust pulse characteristics of asymmetric twin-scroll turbocharged heavy-duty diesel engines","display_name":"Influence of asymmetry ratio on exhaust pulse characteristics of asymmetric twin-scroll turbocharged heavy-duty diesel engines","publication_year":2026,"publication_date":"2026-08-28","ids":{"openalex":"https://openalex.org/W7204599110","doi":"https://doi.org/10.1177/09544070261483337"},"language":"en","primary_location":{"id":"doi:10.1177/09544070261483337","doi":"https://doi.org/10.1177/09544070261483337","is_oa":false,"landing_page_url":"https://doi.org/10.1177/09544070261483337","pdf_url":null,"source":{"id":"https://openalex.org/S16239639","display_name":"Proceedings of the Institution of Mechanical Engineers Part D Journal of Automobile Engineering","issn_l":"0954-4070","issn":["0954-4070","2041-2991"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320017","host_organization_name":"SAGE Publishing","host_organization_lineage":["https://openalex.org/P4310320017"],"host_organization_lineage_names":["SAGE Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering","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/A5035334017","display_name":"Jianjiao Jin","orcid":"https://orcid.org/0000-0003-3074-1304","observed_orcids":["https://orcid.org/0000-0003-3074-1304"]},"institutions":[{"id":"https://openalex.org/I4210118764","display_name":"Shazhou Professional Institute Of Technology","ror":"https://ror.org/02q5hpt66","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210118764"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Jianjiao Jin","raw_affiliation_strings":["Shazhou Professional Institute of Technology, Zhangjiagang, China"],"raw_orcid":"https://orcid.org/0000-0003-3074-1304","affiliations":[{"raw_affiliation_string":"Shazhou Professional Institute of Technology, Zhangjiagang, China","institution_ids":["https://openalex.org/I4210118764"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5126052684","display_name":"Jian Yan","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210118178","display_name":"Yangzhou Polytechnic Institute","ror":"https://ror.org/02grzhe48","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210118178"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jian Yan","raw_affiliation_strings":["Yangzhou Polytechnic Institute, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Yangzhou Polytechnic Institute, China","institution_ids":["https://openalex.org/I4210118178"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016100256","display_name":"Chongyu Li","orcid":"https://orcid.org/0000-0003-2561-241X","observed_orcids":["https://orcid.org/0000-0003-2561-241X"]},"institutions":[{"id":"https://openalex.org/I4210118764","display_name":"Shazhou Professional Institute Of Technology","ror":"https://ror.org/02q5hpt66","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210118764"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chongyu Li","raw_affiliation_strings":["Shazhou Professional Institute of Technology, Zhangjiagang, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shazhou Professional Institute of Technology, Zhangjiagang, China","institution_ids":["https://openalex.org/I4210118764"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5035334017"],"corresponding_institution_ids":["https://openalex.org/I4210118764"],"apc_list":{"value":4150,"currency":"USD","value_usd":4150},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10944","display_name":"Turbomachinery Performance and Optimization","score":0.5414999723434448,"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"}},"topics":[{"id":"https://openalex.org/T10944","display_name":"Turbomachinery Performance and Optimization","score":0.5414999723434448,"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":0.4120999872684479,"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/T13990","display_name":"Engine and Fuel Emissions","score":0.01810000091791153,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive 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/asymmetry-ratio","display_name":"asymmetry ratio","score":0.9129999876022339},{"id":"https://openalex.org/keywords/heavy-duty-diesel-engines","display_name":"heavy-duty diesel engines","score":0.9100000262260437},{"id":"https://openalex.org/keywords/turbocharging","display_name":"turbocharging","score":0.7990000247955322},{"id":"https://openalex.org/keywords/turbine-isentropic-efficiency","display_name":"turbine isentropic efficiency","score":0.8410000205039978},{"id":"https://openalex.org/keywords/expansion-ratio","display_name":"expansion ratio","score":0.7950000166893005},{"id":"https://openalex.org/keywords/turbine-flow","display_name":"turbine flow","score":0.335999995470047},{"id":"https://openalex.org/keywords/exhaust-pressure","display_name":"exhaust pressure","score":0.5120000243186951},{"id":"https://openalex.org/keywords/specific-fuel-consumption","display_name":"specific fuel consumption","score":0.7599999904632568},{"id":"https://openalex.org/keywords/heat-loss","display_name":"heat loss","score":0.7350000143051147},{"id":"https://openalex.org/keywords/exhaust-gas-recirculation","display_name":"exhaust gas recirculation","score":0.9909999966621399}],"concepts":[{"id":"https://openalex.org/C21541133","wikidata":"https://www.wikidata.org/wiki/Q185525","display_name":"Turbocharger","level":3,"score":0.8098999857902527},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.6036999821662903},{"id":"https://openalex.org/C172959903","wikidata":"https://www.wikidata.org/wiki/Q907271","display_name":"Isentropic process","level":2,"score":0.5716000199317932},{"id":"https://openalex.org/C2778449969","wikidata":"https://www.wikidata.org/wiki/Q130760","display_name":"Turbine","level":2,"score":0.5516999959945679},{"id":"https://openalex.org/C103206924","wikidata":"https://www.wikidata.org/wiki/Q285028","display_name":"Exhaust gas recirculation","level":3,"score":0.5120000243186951},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4837000072002411},{"id":"https://openalex.org/C96261405","wikidata":"https://www.wikidata.org/wiki/Q7113544","display_name":"Overall pressure ratio","level":3,"score":0.4799000024795532},{"id":"https://openalex.org/C2780804531","wikidata":"https://www.wikidata.org/wiki/Q174174","display_name":"Diesel engine","level":2,"score":0.44909998774528503},{"id":"https://openalex.org/C2780167933","wikidata":"https://www.wikidata.org/wiki/Q1550652","display_name":"Pulse (music)","level":3,"score":0.44690001010894775},{"id":"https://openalex.org/C128143373","wikidata":"https://www.wikidata.org/wiki/Q1789953","display_name":"Mean effective pressure","level":4,"score":0.4316999912261963},{"id":"https://openalex.org/C38976095","wikidata":"https://www.wikidata.org/wiki/Q752641","display_name":"Asymmetry","level":2,"score":0.4072999954223633},{"id":"https://openalex.org/C197808020","wikidata":"https://www.wikidata.org/wiki/Q5420789","display_name":"Expansion ratio","level":2,"score":0.40059998631477356},{"id":"https://openalex.org/C87547285","wikidata":"https://www.wikidata.org/wiki/Q2982767","display_name":"Exhaust manifold","level":3,"score":0.34450000524520874},{"id":"https://openalex.org/C201289731","wikidata":"https://www.wikidata.org/wiki/Q1172599","display_name":"Inlet","level":2,"score":0.34389999508857727},{"id":"https://openalex.org/C8038842","wikidata":"https://www.wikidata.org/wiki/Q3523286","display_name":"Air entrainment","level":2,"score":0.3384000062942505},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3361000120639801},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.3296999931335449},{"id":"https://openalex.org/C84907080","wikidata":"https://www.wikidata.org/wiki/Q320170","display_name":"Back pressure","level":2,"score":0.3237000107765198},{"id":"https://openalex.org/C139992725","wikidata":"https://www.wikidata.org/wiki/Q5380656","display_name":"Entrainment (biomusicology)","level":3,"score":0.3192000091075897},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.3109000027179718},{"id":"https://openalex.org/C2779139147","wikidata":"https://www.wikidata.org/wiki/Q320173","display_name":"Exhaust gas","level":2,"score":0.3084999918937683},{"id":"https://openalex.org/C138171918","wikidata":"https://www.wikidata.org/wiki/Q38423","display_name":"Diesel fuel","level":2,"score":0.2856999933719635},{"id":"https://openalex.org/C91337280","wikidata":"https://www.wikidata.org/wiki/Q795410","display_name":"Naturally aspirated engine","level":4,"score":0.2816999852657318},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.2766000032424927},{"id":"https://openalex.org/C93038891","wikidata":"https://www.wikidata.org/wiki/Q1061524","display_name":"Intensity (physics)","level":2,"score":0.27489998936653137},{"id":"https://openalex.org/C44740213","wikidata":"https://www.wikidata.org/wiki/Q7828135","display_name":"Total pressure","level":2,"score":0.2712000012397766},{"id":"https://openalex.org/C116067010","wikidata":"https://www.wikidata.org/wiki/Q4698686","display_name":"Airflow","level":2,"score":0.2572999894618988},{"id":"https://openalex.org/C2781324535","wikidata":"https://www.wikidata.org/wiki/Q720106","display_name":"Scroll","level":2,"score":0.2556999921798706},{"id":"https://openalex.org/C2776911258","wikidata":"https://www.wikidata.org/wiki/Q5501170","display_name":"Freestream","level":4,"score":0.25130000710487366}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1177/09544070261483337","doi":"https://doi.org/10.1177/09544070261483337","is_oa":false,"landing_page_url":"https://doi.org/10.1177/09544070261483337","pdf_url":null,"source":{"id":"https://openalex.org/S16239639","display_name":"Proceedings of the Institution of Mechanical Engineers Part D Journal of Automobile Engineering","issn_l":"0954-4070","issn":["0954-4070","2041-2991"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320017","host_organization_name":"SAGE Publishing","host_organization_lineage":["https://openalex.org/P4310320017"],"host_organization_lineage_names":["SAGE Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W1979105531","https://openalex.org/W2022275025","https://openalex.org/W2050166632","https://openalex.org/W2064906309","https://openalex.org/W2315485970","https://openalex.org/W2330119585","https://openalex.org/W2359495931","https://openalex.org/W2474941742","https://openalex.org/W2624529411","https://openalex.org/W2740120935","https://openalex.org/W2746234713","https://openalex.org/W2795707818","https://openalex.org/W2800534874","https://openalex.org/W3002241800","https://openalex.org/W3022244024","https://openalex.org/W4231749465","https://openalex.org/W4292883072","https://openalex.org/W4389308168","https://openalex.org/W4393005147","https://openalex.org/W4400965367","https://openalex.org/W4403258259","https://openalex.org/W4406272423","https://openalex.org/W4408237431","https://openalex.org/W4410474676","https://openalex.org/W4411334368","https://openalex.org/W4414802688","https://openalex.org/W7119668585","https://openalex.org/W7164831747"],"related_works":["https://openalex.org/W4400965367","https://openalex.org/W4393005147","https://openalex.org/W4292883072","https://openalex.org/W4389308168","https://openalex.org/W4392753559","https://openalex.org/W2792929895","https://openalex.org/W2740120935","https://openalex.org/W4403258259","https://openalex.org/W4392775310","https://openalex.org/W2795707818"],"abstract_inverted_index":{"The":[0,114],"Asymmetry":[1],"Ratio":[2],"(ASY),":[3],"as":[4],"a":[5,157,166,261],"defining":[6],"feature":[7],"of":[8,19,44,104,110,169],"asymmetric":[9,46,94],"twin-scroll":[10,47,95],"turbines,":[11],"is":[12,273],"instrumental":[13],"in":[14,24,165,213,223,247],"governing":[15,100],"the":[16,41,52,62,84,93,99,107,111,122,126,133,138,145,150,161,170,177,195,199,202,214,224],"energy":[17,91,210],"distribution":[18],"engine":[20,28],"exhaust":[21,42,65,76,112,146,268],"pulses,":[22],"which":[23,97],"turn":[25],"affects":[26,40],"overall":[27,171],"performance":[29],"and":[30,55,89,102,182,190,198,221,256],"emissions.":[31],"This":[32],"paper":[33],"pioneers":[34],"an":[35,45,75,119],"investigation":[36],"into":[37],"how":[38],"ASY":[39,105,174,263],"pulse":[43,77,123,135,147,172],"turbocharged":[48],"heavy-duty":[49],"engine.":[50],"Firstly,":[51],"test":[53],"bench":[54],"research":[56],"methodology":[57],"required":[58],"were":[59],"introduced.":[60],"Subsequently,":[61],"engine\u2019s":[63],"high-frequency":[64],"pressure,":[66],"alongside":[67],"other":[68],"steady-state":[69],"operational":[70],"data,":[71],"was":[72,80,130,237],"acquired.":[73],"Finally,":[74],"decoupling":[78],"model":[79],"employed":[81],"to":[82],"derive":[83],"high-speed":[85],"temperature,":[86],"turbine":[87,208,229],"flow,":[88],"isentropic":[90,209,230,249],"for":[92],"turbine,":[96],"uncovered":[98],"principles":[101],"effects":[103],"on":[106],"critical":[108],"variables":[109],"pulse.":[113],"findings":[115],"demonstrated":[116],"that":[117],"with":[118,244],"increasing":[120],"ASY,":[121,207],"intensity":[124],"at":[125,137,149,160,194,201,234,241],"larger":[127,162,196,262],"scroll":[128,140,152,197],"inlet":[129,141,153],"amplified,":[131],"while":[132],"pressure":[134],"magnitude":[136],"smaller":[139,151,203],"rose":[142],"sharply.":[143],"Conversely,":[144],"strength":[148],"diminished,":[154],"accompanied":[155],"by":[156],"slight":[158],"increase":[159],"scroll,":[163],"resulting":[164],"minor":[167],"enhancement":[168],"intensity.":[173],"also":[175],"altered":[176],"relationship":[178],"between":[179],"flow":[180,188],"parameters":[181,189],"expansion":[183,192],"ratios,":[184],"shifting":[185],"toward":[186],"lower":[187],"higher":[191,239],"ratios":[193],"opposite":[200],"scroll.":[204],"With":[205],"increased":[206,222],"proportion":[211],"decreased":[212],"low":[215],"blade":[216],"speed":[217],"ratio":[218],"(U/C)":[219],"region":[220],"high":[225],"U/C":[226],"region,":[227],"enhancing":[228],"efficiency.":[231],"Turbine":[232],"efficiency":[233],"1100":[235],"r/min":[236,243],"3%\u20134%":[238],"than":[240],"800":[242],"minimal":[245],"change":[246],"total":[248],"power.":[250],"Relative":[251],"specific":[252],"fuel":[253],"consumption":[254],"improved,":[255],"heat":[257],"loss":[258],"decreased,":[259],"suggesting":[260],"should":[264],"be":[265],"adopted":[266],"when":[267],"gas":[269],"recirculation":[270],"(EGR)":[271],"capability":[272],"sufficient.":[274]},"counts_by_year":[],"updated_date":"2026-08-29T07:29:34.045763","created_date":"2026-08-29T00:00:00"}