{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/127402"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/127402","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Understanding the impact of atomic-scale structure on viscosity in complex liquids using atomic-level shear stress correlations","abstract":"Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2026-12-01","abstract_html":"Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2026-12-01","abstract_has_math":false,"creators":["Ferreira Grizzi, Vitor"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Nuclear, Plasma, Radiolgc Engr","degree_department":null,"school":null,"contributors":["Zhang, Yang","Xi, Jianqi","Heuser, Brent J","Meidani, Hadi"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2024,"date_issued":"2024-12-06","date_published":"2024-12-06","updated_at":"2026-07-22T22:25:04Z","subjects":["Viscosity","Liquid","Molten Salts"],"languages":["en","eng"],"rights":["Copyright 2024 Vitor Ferreira Grizzi"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/2142/127402","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Zhang, Yang","Xi, Jianqi","Heuser, Brent J","Meidani, Hadi"]},{"key":"dc:creator","label":"Author","values":["Ferreira Grizzi, Vitor"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2024-12-06","2024-12"]},{"key":"dc:type","label":"Dc Type","values":["text","Thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Nuclear, Plasma, Radiolgc Engr"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"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":["Viscosity","Liquid","Molten Salts"]}]},{"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 2024 Vitor Ferreira Grizzi"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://hdl.handle.net/2142/127402"]}]},{"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 2026-12-01","The student, Vitor Ferreira Grizzi, accepted the attached license on 2024-12-05 at 15:21.","The student, Vitor Ferreira Grizzi, submitted this Dissertation for approval on 2024-12-05 at 15:29.","This Dissertation was approved for publication on 2024-12-06 at 09:29.","DSpace SAF Submission Ingestion Package generated from Vireo submission #21517 on 2025-03-28 at 14:44:45","Understanding the role of medium-range structural ordering in liquids, particularly molten salts, is critical for grasping how atomic arrangements influence transport properties like viscosity. Medium-range ordering, characterized by spatial persistent spatial correlations of a few units, often manifests as a pre-peak in the structure factor and indicates an arrangement of atoms beyond immediate neighbors. Despite the known impacts of the structure on properties such as viscosity, the specific mechanisms and connections to such ordering have remained unclear, especially in complex fluids like molten salts. Leveraging the Green-Kubo relations, which is an important application of the fundamental Fluctuation-Dissipation theorem, this study aims to elucidate the underlying principles connecting structure and viscosity. Investigations focused on decomposing the Green-Kubo relation for viscosity in terms of individual atomic stresses and examining how enhanced stress correlations within clusters compare to those in the bulk liquid. This idea was tested through Molecular Dynamics simulations, and its confirmation could pioneer a novel understanding of viscosity's relationship to atomic structure. Beyond theoretical implications, these insights could impact engineering applications such as Molten Salt Reactors, where clusters are observed when nuclear fuel is mixed into pure salt. Accurate computer simulations of these systems depend on precise viscosity parameters, which can be affected by the evolving structure of the molten salt over time."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Understanding the impact of atomic-scale structure on viscosity in complex liquids using atomic-level shear stress correlations"]}]}],"canonical_facts":{"dc:contributor":["Zhang, Yang","Xi, Jianqi","Heuser, Brent J","Meidani, Hadi"],"dc:creator":["Ferreira Grizzi, Vitor"],"dc:date":["2024-12-06","2024-12"],"dc:description":["Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2026-12-01","The student, Vitor Ferreira Grizzi, accepted the attached license on 2024-12-05 at 15:21.","The student, Vitor Ferreira Grizzi, submitted this Dissertation for approval on 2024-12-05 at 15:29.","This Dissertation was approved for publication on 2024-12-06 at 09:29.","DSpace SAF Submission Ingestion Package generated from Vireo submission #21517 on 2025-03-28 at 14:44:45","Understanding the role of medium-range structural ordering in liquids, particularly molten salts, is critical for grasping how atomic arrangements influence transport properties like viscosity. Medium-range ordering, characterized by spatial persistent spatial correlations of a few units, often manifests as a pre-peak in the structure factor and indicates an arrangement of atoms beyond immediate neighbors. Despite the known impacts of the structure on properties such as viscosity, the specific mechanisms and connections to such ordering have remained unclear, especially in complex fluids like molten salts. Leveraging the Green-Kubo relations, which is an important application of the fundamental Fluctuation-Dissipation theorem, this study aims to elucidate the underlying principles connecting structure and viscosity. Investigations focused on decomposing the Green-Kubo relation for viscosity in terms of individual atomic stresses and examining how enhanced stress correlations within clusters compare to those in the bulk liquid. This idea was tested through Molecular Dynamics simulations, and its confirmation could pioneer a novel understanding of viscosity's relationship to atomic structure. Beyond theoretical implications, these insights could impact engineering applications such as Molten Salt Reactors, where clusters are observed when nuclear fuel is mixed into pure salt. Accurate computer simulations of these systems depend on precise viscosity parameters, which can be affected by the evolving structure of the molten salt over time."],"dc:format":["application/pdf"],"dc:identifier":["https://hdl.handle.net/2142/127402"],"dc:language":["en","eng"],"dc:rights":["Copyright 2024 Vitor Ferreira Grizzi"],"dc:subject":["Viscosity","Liquid","Molten Salts"],"dc:title":["Understanding the impact of atomic-scale structure on viscosity in complex liquids using atomic-level shear stress correlations"],"dc:type":["text","Thesis"],"thesis:degree_discipline":["Nuclear, Plasma, Radiolgc Engr"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:04Z"}