{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/115648"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/115648","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Reduced order optimization of internal channel heat sink designs","abstract":"Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2024-05-01","abstract_html":"Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2024-05-01","abstract_has_math":false,"creators":["Lad, Aniket Ajay"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Mechanical Engineering","degree_department":null,"school":null,"contributors":["Miljkovic, Nenad"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2022,"date_issued":"2022-05","date_published":"2022-05","updated_at":"2026-07-22T22:24:54Z","subjects":["Design Optimization","Electronics Cooling","Thermal Management","Additive Manufacturing","Channel Flow"],"languages":["en","eng"],"rights":["Copyright 2022 Aniket Ajay Lad"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/2142/115648","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Miljkovic, Nenad"]},{"key":"dc:creator","label":"Author","values":["Lad, Aniket Ajay"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2022-05","2022-04-28"]},{"key":"dc:type","label":"Dc Type","values":["text","Thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Mechanical 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":["Design Optimization","Electronics Cooling","Thermal Management","Additive Manufacturing","Channel Flow"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en","eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2022 Aniket Ajay Lad"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://hdl.handle.net/2142/115648"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2024-05-01","The student, Aniket Ajay Lad, accepted the attached license on 2022-04-20 at 17:22.","The student, Aniket Ajay Lad, submitted this Thesis for approval on 2022-04-20 at 17:32.","This Thesis was approved for publication on 2022-04-28 at 12:50.","DSpace SAF Submission Ingestion Package generated from Vireo submission #17864 on 2022-11-14 at 00:24:53","The recent growth in electronics power density has created a significant need for effective thermal management solutions. Liquid-cooled heat sinks or cold plates are typically used to achieve high volumetric power density cooling. A natural trade-off exists between the thermal and hydraulic performance of a cold plate, creating an opportunity for design optimization. Current design optimization methods rely on computationally expensive and time-consuming computational fluid dynamics (CFD) simulations. Here, we develop a rapid design optimization tool for liquid cooled heat sinks based on reduced order models for the thermal-hydraulic behavior. Flow layout is expressed as a combination of simple building blocks on a divided coarse grid. The flow layout and geometrical parameters are incorporated to optimize designs that can effectively address heterogeneous cooling requirements within electronics packages. Layout optimization problem of assigning flow blocks on elements of the coarse grid is solved using discrete optimization method. Modifying the expression of flow block in terms of design variables and evaluating non-trivial objective function for partially complete flow layouts coupled with a multi-start approach to improve the probability of finding flow layouts with optimal performance. Gradient-based optimizer enables rapid optimization of internal diameters of the flow blocks for a given flow layout in geometry optimization."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Reduced order optimization of internal channel heat sink designs"]}]}],"canonical_facts":{"dc:contributor":["Miljkovic, Nenad"],"dc:creator":["Lad, Aniket Ajay"],"dc:date":["2022-05","2022-04-28"],"dc:description":["Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2024-05-01","The student, Aniket Ajay Lad, accepted the attached license on 2022-04-20 at 17:22.","The student, Aniket Ajay Lad, submitted this Thesis for approval on 2022-04-20 at 17:32.","This Thesis was approved for publication on 2022-04-28 at 12:50.","DSpace SAF Submission Ingestion Package generated from Vireo submission #17864 on 2022-11-14 at 00:24:53","The recent growth in electronics power density has created a significant need for effective thermal management solutions. Liquid-cooled heat sinks or cold plates are typically used to achieve high volumetric power density cooling. A natural trade-off exists between the thermal and hydraulic performance of a cold plate, creating an opportunity for design optimization. Current design optimization methods rely on computationally expensive and time-consuming computational fluid dynamics (CFD) simulations. Here, we develop a rapid design optimization tool for liquid cooled heat sinks based on reduced order models for the thermal-hydraulic behavior. Flow layout is expressed as a combination of simple building blocks on a divided coarse grid. The flow layout and geometrical parameters are incorporated to optimize designs that can effectively address heterogeneous cooling requirements within electronics packages. Layout optimization problem of assigning flow blocks on elements of the coarse grid is solved using discrete optimization method. Modifying the expression of flow block in terms of design variables and evaluating non-trivial objective function for partially complete flow layouts coupled with a multi-start approach to improve the probability of finding flow layouts with optimal performance. Gradient-based optimizer enables rapid optimization of internal diameters of the flow blocks for a given flow layout in geometry optimization."],"dc:format":["application/pdf"],"dc:identifier":["https://hdl.handle.net/2142/115648"],"dc:language":["en","eng"],"dc:rights":["Copyright 2022 Aniket Ajay Lad"],"dc:subject":["Design Optimization","Electronics Cooling","Thermal Management","Additive Manufacturing","Channel Flow"],"dc:title":["Reduced order optimization of internal channel heat sink designs"],"dc:type":["text","Thesis"],"thesis:degree_discipline":["Mechanical Engineering"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["M.S."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:24:54Z"}