{"id":"https://openalex.org/W21969443","doi":null,"title":"Development and Production Cost Estimating Relationships for Aircraft Turbine Engines","display_name":"Development and Production Cost Estimating Relationships for Aircraft Turbine Engines","publication_year":1982,"publication_date":"1982-01-01","ids":{"openalex":"https://openalex.org/W21969443","mag":"21969443"},"language":"en","primary_location":{"id":"mag:21969443","doi":null,"is_oa":false,"landing_page_url":"https://apps.dtic.mil/sti/pdfs/ADA123753.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","indexed_in":[],"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/A5014189784","display_name":"John L. Birkler","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"John Birkler","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017643590","display_name":"Jeffrey B. Garfinkle","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jeffrey B. Garfinkle","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":null,"display_name":"Kenneth E. Marks","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kenneth E. Marks","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":21,"citation_normalized_percentile":{"value":0.01329629,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"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/T14306","display_name":"Technology Assessment and Management","score":0.8955000042915344,"subfield":{"id":"https://openalex.org/subfields/2213","display_name":"Safety, Risk, Reliability and Quality"},"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/T14306","display_name":"Technology Assessment and Management","score":0.8955000042915344,"subfield":{"id":"https://openalex.org/subfields/2213","display_name":"Safety, Risk, Reliability and Quality"},"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/T14138","display_name":"Life Cycle Costing Analysis","score":0.048700001090765,"subfield":{"id":"https://openalex.org/subfields/1402","display_name":"Accounting"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11159","display_name":"Manufacturing Process and Optimization","score":0.010400000028312206,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing 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/cost-estimating-relationships","display_name":"cost estimating relationships","score":0.9670000076293945},{"id":"https://openalex.org/keywords/aircraft-turbine-engines","display_name":"aircraft turbine engines","score":0.9150000214576721},{"id":"https://openalex.org/keywords/turbojet-engines","display_name":"turbojet engines","score":0.8659999966621399},{"id":"https://openalex.org/keywords/turbofan-engine","display_name":"turbofan engine","score":1.0},{"id":"https://openalex.org/keywords/military-aircraft","display_name":"military aircraft","score":0.7120000123977661},{"id":"https://openalex.org/keywords/development-costs","display_name":"development costs","score":0.7149999737739563},{"id":"https://openalex.org/keywords/production-costs","display_name":"production costs","score":0.9980000257492065},{"id":"https://openalex.org/keywords/arrival-time","display_name":"time of arrival","score":0.7689999938011169},{"id":"https://openalex.org/keywords/regression-diagnostics","display_name":"regression diagnostics","score":0.7279999852180481},{"id":"https://openalex.org/keywords/cost-prediction-model","display_name":"cost prediction model","score":0.5220000147819519}],"concepts":[{"id":"https://openalex.org/C110050840","wikidata":"https://www.wikidata.org/wiki/Q654051","display_name":"Turbofan","level":2,"score":0.7875164151191711},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5903622508049011},{"id":"https://openalex.org/C2778348673","wikidata":"https://www.wikidata.org/wiki/Q739302","display_name":"Production (economics)","level":2,"score":0.5666279792785645},{"id":"https://openalex.org/C2778449969","wikidata":"https://www.wikidata.org/wiki/Q130760","display_name":"Turbine","level":2,"score":0.551652729511261},{"id":"https://openalex.org/C2780129039","wikidata":"https://www.wikidata.org/wiki/Q1931107","display_name":"Section (typography)","level":2,"score":0.5111594796180725},{"id":"https://openalex.org/C42475967","wikidata":"https://www.wikidata.org/wiki/Q194292","display_name":"Operations research","level":1,"score":0.4540380835533142},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.4323875308036804},{"id":"https://openalex.org/C2780549525","wikidata":"https://www.wikidata.org/wiki/Q723916","display_name":"Turbojet","level":2,"score":0.4250182807445526},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4164181351661682},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.34824371337890625},{"id":"https://openalex.org/C13736549","wikidata":"https://www.wikidata.org/wiki/Q4489420","display_name":"Industrial engineering","level":1,"score":0.32010090351104736},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.14436957240104675},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.14271041750907898},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:21969443","doi":null,"is_oa":false,"landing_page_url":"https://apps.dtic.mil/sti/pdfs/ADA123753.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G7081048576","display_name":null,"funder_award_id":"ACF-2006-08-001","funder_id":"https://openalex.org/F4320319990","funder_display_name":"National Institute for Health and Care Research"}],"funders":[{"id":"https://openalex.org/F4320319990","display_name":"National Institute for Health and Care Research","ror":"https://ror.org/0187kwz08"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W55584322","https://openalex.org/W7034506435","https://openalex.org/W1596896940","https://openalex.org/W159606715","https://openalex.org/W2129002946","https://openalex.org/W6990086208","https://openalex.org/W1961354099","https://openalex.org/W1576575257","https://openalex.org/W3081476160","https://openalex.org/W2258136627"],"abstract_inverted_index":{"Abstract":[0],":":[1],"This":[2],"document":[3],"describes":[4,91],"a":[5,108],"recent":[6],"study":[7,43],"of":[8,33,68,74,102,117],"cost":[9,46,119],"estimating":[10,26,47,120],"relationships":[11,48,62,121],"for":[12,25,35,86,114,124,135],"new":[13,45,56],"military":[14,37],"aircraft":[15],"turbine":[16],"engine":[17],"development":[18,27],"and":[19,28,31,39,54,63,84,90,122],"production":[20,29],"programs.":[21],"It":[22],"presents":[23,98],"equations":[24],"costs":[30],"time":[32],"arrival":[34],"U.S.":[36],"turbojet":[38],"turbofan":[40],"engines.":[41],"The":[42],"derives":[44],"from":[49],"an":[50],"expanded":[51],"data":[52,79],"base":[53],"uses":[55],"diagnostic":[57],"statistics":[58,134],"to":[59,64],"screen":[60],"the":[61,66,69,78,82,99,115,118,136,142],"evaluate":[65],"characteristics":[67],"preferred":[70,100],"set.":[71],"Section":[72,96,131],"two":[73],"this":[75],"Note":[76],"identifies":[77],"used,":[80],"explains":[81],"criteria":[83],"rationale":[85],"selecting":[87],"explanatory":[88],"variables,":[89],"recently":[92],"developed":[93],"regression":[94],"diagnostics.":[95],"three":[97],"set":[101],"relationships.":[103],"Comments":[104],"on":[105],"these":[106],"results;":[107],"comparison":[109],"with":[110],"DAPCA":[111],"equations;":[112],"suggestions":[113],"use":[116],"directions":[123],"possible":[125],"future":[126],"research":[127],"are":[128,139],"discussed":[129],"in":[130,141],"four.":[132],"Supporting":[133],"predictive":[137],"models":[138],"available":[140],"Appendix.":[143]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-09-29T14:09:16.559479","created_date":"2016-06-24T00:00:00"}