{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/81092"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/81092","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Modeling and Application of Flow -Limited Field -Injection Electrostatic Spraying (Ffess)","abstract":"Electrostatic spraying (ESS) has found applications in many areas, including agriculture, ink-jet printing, thin film coating, nanotechnology, etc. Flow-limited field-injection electrostatic spraying (FFESS) is an advanced and unique ESS technology because it has many advantages over the conventional electrostatic spraying (CESS). FFESS is not only able to generate more stable and reproducible spraying at lower voltages, but also to spray insulating liquids. What is more, FFESS can generate stable and controllable multi jet spraying, which leads to many new applications. This thesis will summarize work on FFESS in both theoretical modeling and application. A theoretical model of the multi-jet FFESS process will be formulated, and a comprehensive model of Coulomb fission proposed. The I-V characteristics of FFESS are measured and analyzed. Some related investigations will be introduced that address accurate resistivity measurement for single nanowires and thin films and surface enhanced Raman scattering (SERS). Some engineering applications of FFESS and possible future work will be briefly discussed.","abstract_html":"Electrostatic spraying (ESS) has found applications in many areas, including agriculture, ink-jet printing, thin film coating, nanotechnology, etc. Flow-limited field-injection electrostatic spraying (FFESS) is an advanced and unique ESS technology because it has many advantages over the conventional electrostatic spraying (CESS). FFESS is not only able to generate more stable and reproducible spraying at lower voltages, but also to spray insulating liquids. What is more, FFESS can generate stable and controllable multi jet spraying, which leads to many new applications. This thesis will summarize work on FFESS in both theoretical modeling and application. A theoretical model of the multi-jet FFESS process will be formulated, and a comprehensive model of Coulomb fission proposed. The I-V characteristics of FFESS are measured and analyzed. Some related investigations will be introduced that address accurate resistivity measurement for single nanowires and thin films and surface enhanced Raman scattering (SERS). Some engineering applications of FFESS and possible future work will be briefly discussed.","abstract_has_math":false,"creators":["Gu, Wenhua"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Electrical and Computer Engineering","degree_department":null,"school":null,"contributors":["Kyekyoon (Kevin) Kim"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-09-25T20:09:33Z","date_published":"2015-09-25T20:09:33Z","updated_at":"2026-07-22T22:26:15Z","subjects":["Engineering, Electronics and Electrical"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI3337757"],"render_values":[{"text":"(MiAaPQ)AAI3337757","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/81092","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Kyekyoon (Kevin) Kim"]},{"key":"dc:creator","label":"Author","values":["Gu, Wenhua"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T20:09:33Z","10000-01-01","2008"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Electrical and Computer 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":["Engineering, Electronics and Electrical"]}]},{"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/2142/81092","(MiAaPQ)AAI3337757"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Electrostatic spraying (ESS) has found applications in many areas, including agriculture, ink-jet printing, thin film coating, nanotechnology, etc. Flow-limited field-injection electrostatic spraying (FFESS) is an advanced and unique ESS technology because it has many advantages over the conventional electrostatic spraying (CESS). FFESS is not only able to generate more stable and reproducible spraying at lower voltages, but also to spray insulating liquids. What is more, FFESS can generate stable and controllable multi jet spraying, which leads to many new applications. This thesis will summarize work on FFESS in both theoretical modeling and application. A theoretical model of the multi-jet FFESS process will be formulated, and a comprehensive model of Coulomb fission proposed. The I-V characteristics of FFESS are measured and analyzed. Some related investigations will be introduced that address accurate resistivity measurement for single nanowires and thin films and surface enhanced Raman scattering (SERS). Some engineering applications of FFESS and possible future work will be briefly discussed.","Made available in DSpace on 2015-09-25T20:09:33Z (GMT). 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FFESS is not only able to generate more stable and reproducible spraying at lower voltages, but also to spray insulating liquids. What is more, FFESS can generate stable and controllable multi jet spraying, which leads to many new applications. This thesis will summarize work on FFESS in both theoretical modeling and application. A theoretical model of the multi-jet FFESS process will be formulated, and a comprehensive model of Coulomb fission proposed. The I-V characteristics of FFESS are measured and analyzed. Some related investigations will be introduced that address accurate resistivity measurement for single nanowires and thin films and surface enhanced Raman scattering (SERS). Some engineering applications of FFESS and possible future work will be briefly discussed.","Made available in DSpace on 2015-09-25T20:09:33Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3337757.pdf: 1332663 bytes, checksum: 65b620d1ac5724de60dba1d6745a0de5 (MD5) Previous issue date: 2008","Embargo set by: Seth Robbins for item 82374 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","77 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2008."],"dc:identifier":["http://hdl.handle.net/2142/81092","(MiAaPQ)AAI3337757"],"dc:language":["eng"],"dc:subject":["Engineering, Electronics and Electrical"],"dc:title":["Modeling and Application of Flow -Limited Field -Injection Electrostatic Spraying (Ffess)"],"dc:type":["text"],"thesis:degree_discipline":["Electrical and Computer Engineering"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:26:15Z"}