{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/85112"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/85112","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Thermomechanical Meso-Scale Modeling of Combustion of Heterogeneous Solid Propellants","abstract":"In the final part of this dissertation, the coupled thermomechanical and propellant surface regression solver is further enhanced through addition of fluid-phase equations for transport of chemical species and temperature. A simple three-step kinetics model is used to describe the complex reactions occurring in the fluid phase, and motion of the gases in the fluid phase is modeled through an Oseen assumption. A monolithic scheme is used to couple the chemical species and temperature fields, while an isothermal staggered scheme is used to couple the deformation and temperature solvers, and the propellant surface is again updated explicitly through a level set algorithm. A one-dimensional example of the combustion of AP propellant is used to demonstrate the effect of deformation on regression rates. The framework is then applied to the multiphysics simulation of the combustion of a two-dimensional deformable periodic sandwich propellant.","abstract_html":"In the final part of this dissertation, the coupled thermomechanical and propellant surface regression solver is further enhanced through addition of fluid-phase equations for transport of chemical species and temperature. A simple three-step kinetics model is used to describe the complex reactions occurring in the fluid phase, and motion of the gases in the fluid phase is modeled through an Oseen assumption. A monolithic scheme is used to couple the chemical species and temperature fields, while an isothermal staggered scheme is used to couple the deformation and temperature solvers, and the propellant surface is again updated explicitly through a level set algorithm. A one-dimensional example of the combustion of AP propellant is used to demonstrate the effect of deformation on regression rates. The framework is then applied to the multiphysics simulation of the combustion of a two-dimensional deformable periodic sandwich propellant.","abstract_has_math":false,"creators":["Srinivasan, Karthik Ram"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Aerospace Engineering","degree_department":null,"school":null,"contributors":["Geubelle, Philippe H."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-09-25T22:34:27Z","date_published":"2015-09-25T22:34:27Z","updated_at":"2026-07-22T22:26:24Z","subjects":["Applied Mechanics"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI3347514"],"render_values":[{"text":"(MiAaPQ)AAI3347514","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/85112","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Geubelle, Philippe H."]},{"key":"dc:creator","label":"Author","values":["Srinivasan, Karthik Ram"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T22:34:27Z","10000-01-01","2008"]},{"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":["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":["Applied Mechanics"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/85112","(MiAaPQ)AAI3347514"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["In the final part of this dissertation, the coupled thermomechanical and propellant surface regression solver is further enhanced through addition of fluid-phase equations for transport of chemical species and temperature. A simple three-step kinetics model is used to describe the complex reactions occurring in the fluid phase, and motion of the gases in the fluid phase is modeled through an Oseen assumption. A monolithic scheme is used to couple the chemical species and temperature fields, while an isothermal staggered scheme is used to couple the deformation and temperature solvers, and the propellant surface is again updated explicitly through a level set algorithm. A one-dimensional example of the combustion of AP propellant is used to demonstrate the effect of deformation on regression rates. The framework is then applied to the multiphysics simulation of the combustion of a two-dimensional deformable periodic sandwich propellant.","Made available in DSpace on 2015-09-25T22:34:27Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3347514.pdf: 2088191 bytes, checksum: fce5a18ab9309966537192494f685460 (MD5) Previous issue date: 2008","Embargo set by: Seth Robbins for item 86393 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","126 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2008."]},{"key":"dc:title","label":"Title","values":["Thermomechanical Meso-Scale Modeling of Combustion of Heterogeneous Solid Propellants"]}]}],"canonical_facts":{"dc:contributor":["Geubelle, Philippe H."],"dc:creator":["Srinivasan, Karthik Ram"],"dc:date":["2015-09-25T22:34:27Z","10000-01-01","2008"],"dc:description":["In the final part of this dissertation, the coupled thermomechanical and propellant surface regression solver is further enhanced through addition of fluid-phase equations for transport of chemical species and temperature. A simple three-step kinetics model is used to describe the complex reactions occurring in the fluid phase, and motion of the gases in the fluid phase is modeled through an Oseen assumption. A monolithic scheme is used to couple the chemical species and temperature fields, while an isothermal staggered scheme is used to couple the deformation and temperature solvers, and the propellant surface is again updated explicitly through a level set algorithm. A one-dimensional example of the combustion of AP propellant is used to demonstrate the effect of deformation on regression rates. The framework is then applied to the multiphysics simulation of the combustion of a two-dimensional deformable periodic sandwich propellant.","Made available in DSpace on 2015-09-25T22:34:27Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3347514.pdf: 2088191 bytes, checksum: fce5a18ab9309966537192494f685460 (MD5) Previous issue date: 2008","Embargo set by: Seth Robbins for item 86393 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","126 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2008."],"dc:identifier":["http://hdl.handle.net/2142/85112","(MiAaPQ)AAI3347514"],"dc:language":["eng"],"dc:subject":["Applied Mechanics"],"dc:title":["Thermomechanical Meso-Scale Modeling of Combustion of Heterogeneous Solid Propellants"],"dc:type":["text"],"thesis:degree_discipline":["Aerospace Engineering"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:26:24Z"}