{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/44210"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/44210","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Modeling of ground operations using end-around (perimeter) taxiways for the modernized Chicago O'Hare International Airport","abstract":"By 2031, U.S. air carriers are projected to transport 1.3 billion passengers within the U.S. National Airspace System, with system capacity projected to increase an average of 3.6 percent per year (FAA Aerospace Forecasts 2011-2031). Through the Next Generation Air Transport System project, a comprehensive overhaul of the airspace infrastructure is envisaged which includes major hub airports like Chicago’s O’Hare International Airport (ORD). Constantly affected by delays, incursions and capacity constraints, the risks of the airport layout modifications at ORD after completion of the O’Hare Modernization Program (OMP) have been identified in this thesis. Further, the use of perimeter or end-around taxiways (EAT) have been tested in ARENA© using a full-scale post-OMP airport layout of ORD. Impacts on safety, runway occupancy times and overall airport efficiency in future high traffic scenarios have been analyzed. Results show that the implementation of EATs will drastically reduce the potential for incursions with a 15-25 percent increase in global-level airport taxi-times. While the significant rise in taxi-times can be considered as a drawback of EATs, it can be argued that the improvement in safety levels compensate for it.","abstract_html":"By 2031, U.S. air carriers are projected to transport 1.3 billion passengers within the U.S. National Airspace System, with system capacity projected to increase an average of 3.6 percent per year (FAA Aerospace Forecasts 2011-2031). Through the Next Generation Air Transport System project, a comprehensive overhaul of the airspace infrastructure is envisaged which includes major hub airports like Chicago’s O’Hare International Airport (ORD). Constantly affected by delays, incursions and capacity constraints, the risks of the airport layout modifications at ORD after completion of the O’Hare Modernization Program (OMP) have been identified in this thesis. Further, the use of perimeter or end-around taxiways (EAT) have been tested in ARENA© using a full-scale post-OMP airport layout of ORD. Impacts on safety, runway occupancy times and overall airport efficiency in future high traffic scenarios have been analyzed. Results show that the implementation of EATs will drastically reduce the potential for incursions with a 15-25 percent increase in global-level airport taxi-times. While the significant rise in taxi-times can be considered as a drawback of EATs, it can be argued that the improvement in safety levels compensate for it.","abstract_has_math":false,"creators":["Jadhav, Ashwin"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Aerospace Engineering","degree_department":null,"school":null,"contributors":["Langbort, Cedric"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2013,"date_issued":"2013-05-24T21:54:17Z","date_published":"2013-05-24T21:54:17Z","updated_at":"2026-07-22T22:25:33Z","subjects":["End-Around Taxiways (EATs)","Perimeter Taxiways","O'Hare International Airport (ORD)","Ground Operations","O'Hare Modernization Program (OMP)","National Airspace System (NAS)","Next Gen","Traffic Simulation","Rockwell's Arena"],"languages":["en"],"rights":["Copyright 2013 by Ashwin Vasant Jadhav"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/44210","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Langbort, Cedric"]},{"key":"dc:creator","label":"Author","values":["Jadhav, Ashwin"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2013-05-24T21:54:17Z","2013-05"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Aerospace Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["End-Around Taxiways (EATs)","Perimeter Taxiways","O'Hare International Airport (ORD)","Ground Operations","O'Hare Modernization Program (OMP)","National Airspace System (NAS)","Next Gen","Traffic Simulation","Rockwell's Arena"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2013 by Ashwin Vasant Jadhav"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/44210"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["By 2031, U.S. air carriers are projected to transport 1.3 billion passengers within the U.S. National Airspace System, with system capacity projected to increase an average of 3.6 percent per year (FAA Aerospace Forecasts 2011-2031). 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