{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/113895"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/113895","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Preliminary design of the darkness mission for Fermi National Accelerator Laboratory","abstract":"Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-04-06 without embargo terms","abstract_html":"Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-04-06 without embargo terms","abstract_has_math":false,"creators":["Alpine, Eric"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Aerospace Engineering","degree_department":null,"school":null,"contributors":["Lembeck, Michael L"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2022,"date_issued":"2022-04-29T21:34:46Z","date_published":"2022-04-29T21:34:46Z","updated_at":"2026-07-22T22:24:53Z","subjects":["Engineering"],"languages":["en","eng"],"rights":["Copyright 2021 Eric Alpine"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/113895","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Lembeck, Michael L"]},{"key":"dc:creator","label":"Author","values":["Alpine, Eric"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2022-04-29T21:34:46Z","2021-12","2021-12-07"]},{"key":"dc:type","label":"Dc Type","values":["text","Thesis"]},{"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":["Engineering"]}]},{"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 2021 Eric Alpine"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/113895"]}]},{"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 2022-04-06 without embargo terms","The student, Eric Alpine, accepted the attached license on 2021-12-01 at 14:43.","The student, Eric Alpine, submitted this Thesis for approval on 2021-12-01 at 14:52.","This Thesis was approved for publication on 2021-12-07 at 10:00.","DSpace SAF Submission Ingestion Package generated from Vireo submission #17340 on 2022-04-06 at 17:10:35","Made available in DSpace on 2022-04-29T21:34:46Z (GMT). No. of bitstreams: 2 ALPINE-THESIS-2021.pdf: 5622691 bytes, checksum: 7feabe6d7a45733525658ee9dd291301 (MD5) LICENSE.txt: 4208 bytes, checksum: 70f1cc2e5dc64e203f6f9949d54e8b64 (MD5) Previous issue date: 2021-12-07","This thesis presents the preliminary design of a 6U CubeSat satellite for the Fermi National Accelerator Laboratory (Fermilab). The satellite incorporates components from NanoAvionics, LLC and supports a pair of charged-coupled devices (CCDs) with high energy resolution to characterize a 3.5 keV X-ray signal hypothesized to be associated with dark matter. The “Dark matter as a sterile NEutrino Search Satellite” (DarkNESS) is a collaboration between Fermilab and with the University of Illinois Department of Aerospace Engineering’s Laboratory for Advanced Space Systems at Illinois (LASSI). DarkNESS is a challenging mission with significant interplay between thermal control, power generation, orbit selection, instrument pointing configuration, and communications bandwidth. Mission analysis was developed for multiple DarkNESS configurations and bounded by the potential launch opportunities to Sun-synchronous or low-inclination orbit environments. The analysis identified durations of Earth obscuration of the instrument field of view and evaluated imaging opportunities when a suitable observation window was available in Earth’s eclipse. View factor computations informed the assessment of the external heating of the instrument aperture and radiator surfaces. A compact cryocooler is required to achieve the operating temperature of the instrument focal plane (170 K). The mission analysis incorporated the cryocooler in a finite element model to evaluate the internal and external heating and simulated the steady-state focal plane temperature for the instrument. The following steps for DarkNESS include thermal control risk mitigation tests to validate the cryocooler and radiator design integration and completion of a critical design review. The launch of DarkNESS to low earth orbit is anticipated in early 2024."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Preliminary design of the darkness mission for Fermi National Accelerator Laboratory"]}]}],"canonical_facts":{"dc:contributor":["Lembeck, Michael L"],"dc:creator":["Alpine, Eric"],"dc:date":["2022-04-29T21:34:46Z","2021-12","2021-12-07"],"dc:description":["Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-04-06 without embargo terms","The student, Eric Alpine, accepted the attached license on 2021-12-01 at 14:43.","The student, Eric Alpine, submitted this Thesis for approval on 2021-12-01 at 14:52.","This Thesis was approved for publication on 2021-12-07 at 10:00.","DSpace SAF Submission Ingestion Package generated from Vireo submission #17340 on 2022-04-06 at 17:10:35","Made available in DSpace on 2022-04-29T21:34:46Z (GMT). No. of bitstreams: 2 ALPINE-THESIS-2021.pdf: 5622691 bytes, checksum: 7feabe6d7a45733525658ee9dd291301 (MD5) LICENSE.txt: 4208 bytes, checksum: 70f1cc2e5dc64e203f6f9949d54e8b64 (MD5) Previous issue date: 2021-12-07","This thesis presents the preliminary design of a 6U CubeSat satellite for the Fermi National Accelerator Laboratory (Fermilab). The satellite incorporates components from NanoAvionics, LLC and supports a pair of charged-coupled devices (CCDs) with high energy resolution to characterize a 3.5 keV X-ray signal hypothesized to be associated with dark matter. The “Dark matter as a sterile NEutrino Search Satellite” (DarkNESS) is a collaboration between Fermilab and with the University of Illinois Department of Aerospace Engineering’s Laboratory for Advanced Space Systems at Illinois (LASSI). DarkNESS is a challenging mission with significant interplay between thermal control, power generation, orbit selection, instrument pointing configuration, and communications bandwidth. Mission analysis was developed for multiple DarkNESS configurations and bounded by the potential launch opportunities to Sun-synchronous or low-inclination orbit environments. The analysis identified durations of Earth obscuration of the instrument field of view and evaluated imaging opportunities when a suitable observation window was available in Earth’s eclipse. View factor computations informed the assessment of the external heating of the instrument aperture and radiator surfaces. A compact cryocooler is required to achieve the operating temperature of the instrument focal plane (170 K). The mission analysis incorporated the cryocooler in a finite element model to evaluate the internal and external heating and simulated the steady-state focal plane temperature for the instrument. The following steps for DarkNESS include thermal control risk mitigation tests to validate the cryocooler and radiator design integration and completion of a critical design review. The launch of DarkNESS to low earth orbit is anticipated in early 2024."],"dc:format":["application/pdf"],"dc:identifier":["http://hdl.handle.net/2142/113895"],"dc:language":["en","eng"],"dc:rights":["Copyright 2021 Eric Alpine"],"dc:subject":["Engineering"],"dc:title":["Preliminary design of the darkness mission for Fermi National Accelerator Laboratory"],"dc:type":["text","Thesis"],"thesis:degree_discipline":["Aerospace Engineering"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["M.S."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:24:53Z"}