{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/129344"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/129344","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Analyzing decomposition of diisopropyl methylphosphonate (DIMP) in high-explosive detonations using absorption spectropscopy and gas concentration measurements","abstract":"Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-10-19 without embargo terms","abstract_html":"Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-10-19 without embargo terms","abstract_has_math":false,"creators":["McKenzie, Kaitlyn Rose"],"institution":"University of Illinois Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Mechanical Engineering","degree_department":null,"school":null,"contributors":["Glumac, Nick G."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2025,"date_issued":"2025-05-09","date_published":"2025-05-09","updated_at":"2026-07-22T22:25:05Z","subjects":["Organophosphorus Nerve Agents","Diisopropyl Methylphosphonate","Absorption Spectroscopy","Gas Concentration","Agent Defeat","Mass Spectroscopy"],"languages":["en","eng"],"rights":["Copyright 2025 Kaitlyn McKenzie"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/2142/129344","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Glumac, Nick G."]},{"key":"dc:creator","label":"Author","values":["McKenzie, Kaitlyn Rose"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2025-05-09","2025-05"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"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 Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Organophosphorus Nerve Agents","Diisopropyl Methylphosphonate","Absorption Spectroscopy","Gas Concentration","Agent Defeat","Mass Spectroscopy"]}]},{"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 2025 Kaitlyn McKenzie"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://hdl.handle.net/2142/129344"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-10-19 without embargo terms","The student, Kaitlyn McKenzie, accepted the attached license on 2025-05-08 at 09:32.","The student, Kaitlyn McKenzie, submitted this Thesis for approval on 2025-05-08 at 09:44.","This Thesis was approved for publication on 2025-05-09 at 11:25.","DSpace SAF Submission Ingestion Package generated from Vireo submission #22267 on 2025-10-19 at 18:13:56","A weapon of mass destruction (WMD) is defined as a device or weapon that contains an agent or toxic capable of causing death or serious injury through biological or chemical means. WMD threats are present both foreign and domestic. In particular, the use of highly toxic organophosphorus nerve agents is a significant concern for national security. In response to this threat, work is being done to develop methods for destroying nerve agents through the use of fireballs. Various chemicals are being developed to add to the explosive that create the fireball, with the aim of finding the most efficient way to neutralize the nerve agents. To quantify the effectiveness of the explosive and the chemical additives, techniques such as absorption spectroscopy are employed. This research focuses on the development of a secondary system, composed of gas sensors, to measure products formed from the detonation of a chemical nerve agent surrogate, Diisopropyl Methylphosphonate (DIMP). Gas concentration measurements of the products (CO2 and O2) can be used to verify the absorption measurements for the decomposition of DIMP. Absorption measurements of DIMP are obtained using rapid scanning, broadband absorption spectroscopy with measurements taken at approximately 2.3kHz, covering a wavenumber range of 925 – 1350 per scan. Spectra are collected both before and immediately after detonation to measure the changes in both the DIMP peak and its products peak. By comparing the absorption and gas concentration measurements, a high sensitivity of the gas concentration measurements was observed, which presents challenges of verifying the absorption measurements."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Analyzing decomposition of diisopropyl methylphosphonate (DIMP) in high-explosive detonations using absorption spectropscopy and gas concentration measurements"]}]}],"canonical_facts":{"dc:contributor":["Glumac, Nick G."],"dc:creator":["McKenzie, Kaitlyn Rose"],"dc:date":["2025-05-09","2025-05"],"dc:description":["Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-10-19 without embargo terms","The student, Kaitlyn McKenzie, accepted the attached license on 2025-05-08 at 09:32.","The student, Kaitlyn McKenzie, submitted this Thesis for approval on 2025-05-08 at 09:44.","This Thesis was approved for publication on 2025-05-09 at 11:25.","DSpace SAF Submission Ingestion Package generated from Vireo submission #22267 on 2025-10-19 at 18:13:56","A weapon of mass destruction (WMD) is defined as a device or weapon that contains an agent or toxic capable of causing death or serious injury through biological or chemical means. WMD threats are present both foreign and domestic. In particular, the use of highly toxic organophosphorus nerve agents is a significant concern for national security. In response to this threat, work is being done to develop methods for destroying nerve agents through the use of fireballs. Various chemicals are being developed to add to the explosive that create the fireball, with the aim of finding the most efficient way to neutralize the nerve agents. To quantify the effectiveness of the explosive and the chemical additives, techniques such as absorption spectroscopy are employed. This research focuses on the development of a secondary system, composed of gas sensors, to measure products formed from the detonation of a chemical nerve agent surrogate, Diisopropyl Methylphosphonate (DIMP). Gas concentration measurements of the products (CO2 and O2) can be used to verify the absorption measurements for the decomposition of DIMP. Absorption measurements of DIMP are obtained using rapid scanning, broadband absorption spectroscopy with measurements taken at approximately 2.3kHz, covering a wavenumber range of 925 – 1350 per scan. Spectra are collected both before and immediately after detonation to measure the changes in both the DIMP peak and its products peak. By comparing the absorption and gas concentration measurements, a high sensitivity of the gas concentration measurements was observed, which presents challenges of verifying the absorption measurements."],"dc:format":["application/pdf"],"dc:identifier":["https://hdl.handle.net/2142/129344"],"dc:language":["en","eng"],"dc:rights":["Copyright 2025 Kaitlyn McKenzie"],"dc:subject":["Organophosphorus Nerve Agents","Diisopropyl Methylphosphonate","Absorption Spectroscopy","Gas Concentration","Agent Defeat","Mass Spectroscopy"],"dc:title":["Analyzing decomposition of diisopropyl methylphosphonate (DIMP) in high-explosive detonations using absorption spectropscopy and gas concentration measurements"],"dc:type":["text"],"thesis:degree_discipline":["Mechanical Engineering"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["M.S."],"thesis:institution_name":["University of Illinois Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:05Z"}