{"id":"https://openalex.org/W4413217543","doi":"https://doi.org/10.1115/gt2025-154131","title":"Secondary Flow Losses Mitigation for Low-Pressure Turbine Cascade Using Response Surface Optimization","display_name":"Secondary Flow Losses Mitigation for Low-Pressure Turbine Cascade Using Response Surface Optimization","publication_year":2025,"publication_date":"2025-06-16","ids":{"openalex":"https://openalex.org/W4413217543","doi":"https://doi.org/10.1115/gt2025-154131"},"language":"en","primary_location":{"id":"doi:10.1115/gt2025-154131","doi":"https://doi.org/10.1115/gt2025-154131","is_oa":false,"landing_page_url":"https://doi.org/10.1115/gt2025-154131","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Volume 10: Turbomachinery \u2014 Axial Flow Fan &amp; Compressor Aerodynamics; Axial Flow Turbine Aerodynamics","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","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/A5053352532","display_name":"Anand P. Darji","orcid":"https://orcid.org/0000-0002-7207-9040","observed_orcids":["https://orcid.org/0000-0002-7207-9040"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Anand P. Darji","raw_affiliation_strings":["Caterpillar India Pvt Ltd , ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Caterpillar India Pvt Ltd , ,","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031226383","display_name":"Beena D. Baloni","orcid":"https://orcid.org/0000-0003-1724-9104","observed_orcids":["https://orcid.org/0000-0003-1724-9104"]},"institutions":[{"id":"https://openalex.org/I42014448","display_name":"Sardar Vallabhbhai National Institute of Technology Surat","ror":"https://ror.org/02y394t43","country_code":"IN","type":"education","lineage":["https://openalex.org/I42014448"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Beena D. Baloni","raw_affiliation_strings":["Sardar Vallabhbhai National Institute of Technology, Surat , ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sardar Vallabhbhai National Institute of Technology, Surat , ,","institution_ids":["https://openalex.org/I42014448"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026956535","display_name":"Chetan S. Mistry","orcid":"https://orcid.org/0000-0002-0010-8260","observed_orcids":["https://orcid.org/0000-0002-0010-8260"]},"institutions":[{"id":"https://openalex.org/I145894827","display_name":"Indian Institute of Technology Kharagpur","ror":"https://ror.org/03w5sq511","country_code":"IN","type":"education","lineage":["https://openalex.org/I145894827"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Chetan S. Mistry","raw_affiliation_strings":["Indian Institute of Technology, Kharagpur , ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology, Kharagpur , ,","institution_ids":["https://openalex.org/I145894827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.20987026,"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":0.9994999766349792,"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":0.9994999766349792,"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/T11202","display_name":"Cavitation Phenomena in Pumps","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"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/T12435","display_name":"Bladed Disk Vibration Dynamics","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural 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/secondary-flow-losses","display_name":"secondary flow losses","score":0.8330000042915344},{"id":"https://openalex.org/keywords/low-pressure-turbine-cascade","display_name":"low-pressure turbine cascade","score":0.8389999866485596},{"id":"https://openalex.org/keywords/shape-optimization","display_name":"shape optimization","score":0.8479999899864197},{"id":"https://openalex.org/keywords/response-surface-optimization","display_name":"response surface optimization","score":0.8320000171661377},{"id":"https://openalex.org/keywords/total-pressure-loss-coefficient","display_name":"total pressure loss coefficient","score":0.8769999742507935},{"id":"https://openalex.org/keywords/passage-vortex","display_name":"passage vortex","score":0.7179999947547913},{"id":"https://openalex.org/keywords/gas-turbine-aerodynamics","display_name":"gas turbine aerodynamics","score":0.625}],"concepts":[{"id":"https://openalex.org/C2779104521","wikidata":"https://www.wikidata.org/wiki/Q23058469","display_name":"Contouring","level":2,"score":0.7785218954086304},{"id":"https://openalex.org/C2778384633","wikidata":"https://www.wikidata.org/wiki/Q689151","display_name":"Secondary flow","level":3,"score":0.6485402584075928},{"id":"https://openalex.org/C34146451","wikidata":"https://www.wikidata.org/wiki/Q5048094","display_name":"Cascade","level":2,"score":0.6087164878845215},{"id":"https://openalex.org/C33026886","wikidata":"https://www.wikidata.org/wiki/Q593950","display_name":"Rotational symmetry","level":2,"score":0.5690167546272278},{"id":"https://openalex.org/C2776132308","wikidata":"https://www.wikidata.org/wiki/Q11070850","display_name":"Inflow","level":2,"score":0.5420698523521423},{"id":"https://openalex.org/C13393347","wikidata":"https://www.wikidata.org/wiki/Q8424","display_name":"Aerodynamics","level":2,"score":0.5250672698020935},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.4861564338207245},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.471900075674057},{"id":"https://openalex.org/C2778449969","wikidata":"https://www.wikidata.org/wiki/Q130760","display_name":"Turbine","level":2,"score":0.47030848264694214},{"id":"https://openalex.org/C2779570065","wikidata":"https://www.wikidata.org/wiki/Q1754137","display_name":"Leading edge","level":2,"score":0.45461687445640564},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.4491425156593323},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4422709047794342},{"id":"https://openalex.org/C41994538","wikidata":"https://www.wikidata.org/wiki/Q1260777","display_name":"Pressure coefficient","level":2,"score":0.4279438853263855},{"id":"https://openalex.org/C44740213","wikidata":"https://www.wikidata.org/wiki/Q7828135","display_name":"Total pressure","level":2,"score":0.4260904788970947},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.41256552934646606},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.27654820680618286},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.17969509959220886},{"id":"https://openalex.org/C199639397","wikidata":"https://www.wikidata.org/wiki/Q1788588","display_name":"Engineering drawing","level":1,"score":0.14141058921813965},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0996350347995758},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.09736987948417664},{"id":"https://openalex.org/C196558001","wikidata":"https://www.wikidata.org/wiki/Q190132","display_name":"Turbulence","level":2,"score":0.08465149998664856},{"id":"https://openalex.org/C42360764","wikidata":"https://www.wikidata.org/wiki/Q83588","display_name":"Chemical engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1115/gt2025-154131","doi":"https://doi.org/10.1115/gt2025-154131","is_oa":false,"landing_page_url":"https://doi.org/10.1115/gt2025-154131","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Volume 10: Turbomachinery \u2014 Axial Flow Fan &amp; Compressor Aerodynamics; Axial Flow Turbine Aerodynamics","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"sustainable_development_goals_aurora":[{"display_name":"Affordable and clean energy","score":0.8700000047683716,"id":"https://metadata.un.org/sdg/7"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2367080135","https://openalex.org/W615777339","https://openalex.org/W2356593543","https://openalex.org/W2786800800","https://openalex.org/W2551090394","https://openalex.org/W2500599588","https://openalex.org/W2889107478","https://openalex.org/W2266938530","https://openalex.org/W2031319811","https://openalex.org/W2186364182"],"abstract_inverted_index":{"Abstract":[0],"The":[1,90,120,131,153,175],"increasing":[2],"demand":[3],"for":[4,35,58,84],"highly":[5,60],"loaded":[6,61],"cascades":[7],"in":[8,20,92,106,140],"modern":[9],"gas":[10],"turbines":[11],"and":[12,39,145,166],"jet":[13],"engines":[14],"has":[15],"led":[16],"to":[17],"a":[18,32,50,59,138],"rise":[19],"endwall":[21,29,56,74,86,108,134,141,181],"secondary":[22,75],"losses":[23,38],"within":[24],"the":[25,41,78,81,98,111,115,146,150,158,171,179,184],"flow":[26,76],"passage.":[27],"Non-axisymmetric":[28],"contouring":[30,57,87,136,182],"is":[31],"promising":[33],"technique":[34],"reducing":[36],"these":[37],"enhancing":[40],"aerodynamic":[42],"performance":[43],"of":[44,54,80,100,113,122,149,170],"turbine":[45,64],"cascades.":[46],"This":[47],"paper":[48],"presents":[49],"CFD-based":[51],"shape":[52,93],"optimization":[53,94],"non-axisymmetric":[55,85,107,133],"low-pressure":[62],"linear":[63],"cascade":[65,124],"vane":[66],"at":[67,162],"design":[68,82,155,192],"inflow":[69,193],"condition.":[70],"Based":[71],"on":[72,96],"planar":[73,123],"investigations,":[77],"parameterization":[79],"space":[83],"was":[88],"determined.":[89],"novelty":[91],"focused":[95],"understanding":[97],"impact":[99],"upstream":[101,165],"platform":[102,159],"leading-edge":[103],"(PLE)":[104],"extension":[105,148],"contouring,":[109],"with":[110,128],"goal":[112],"minimizing":[114],"total":[116,185],"pressure":[117,186],"loss":[118,187],"coefficient.":[119],"results":[121],"simulations":[125],"align":[126],"well":[127],"experimental":[129],"data.":[130],"optimized":[132,180],"(NAEW)":[135],"demonstrated":[137],"reduction":[139],"non-uniformities,":[142],"cross-passage":[143],"flow,":[144],"span-wise":[147],"passage":[151],"vortex.":[152],"ideal":[154],"configuration":[156],"places":[157],"leading":[160,173],"edge":[161],"20%":[163],"Cax":[164,168],"70%":[167],"downstream":[169],"blade":[172],"edge.":[174],"study":[176],"revealed":[177],"that":[178],"reduces":[183],"coefficient":[188],"by":[189],"11.8%":[190],"under":[191],"conditions.":[194]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
