{"created":"2021-03-01T06:11:46.780588+00:00","id":5227,"links":{},"metadata":{"_buckets":{"deposit":"05c9982a-8d33-4844-99f6-f045c52498d2"},"_deposit":{"id":"5227","owners":[],"pid":{"revision_id":0,"type":"depid","value":"5227"},"status":"published"},"_oai":{"id":"oai:nagoya.repo.nii.ac.jp:00005227","sets":["320:321:322"]},"author_link":["13212","13213","13214","13215"],"item_10_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1995-04","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"2","bibliographicPageEnd":"268","bibliographicPageStart":"263","bibliographicVolumeNumber":"2","bibliographic_titles":[{"bibliographic_title":"IEEE Transactions on Dielectrics and Electrical Insulation [see also IEEE Transactions on Electrical Insulation]","bibliographic_titleLang":"en"}]}]},"item_10_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"This paper described the discharge classification under nonuniform electric field in air and He at low gas pressures for the application of HV technology to the power apparatus in space. In order to discuss quantiatively the change of the discharge, an image processing method was introduced. In the first place, 4 shape parameters were proposed to characterize the discharge pattern: the area S<sub>H</sub>, the flatness rate H/V, the location g of the center of luminosity of the luminous area, and the length L of the positive column. The analysis with the image processing for air revealed that S<sub>H</sub>, H/V and g continuously increased as the pressure decreased. Consequently, the discharge type in air was successfully classified into 3 regions with two boundary pressures 200 and 2000 Pa over the pressure range from 1.3×10＾4 to 27 Pa. The discharge in He was also analyzed i the same way. Another parameter, the effective current density J<sub>e</sub>, was introduced, which was defined as a ratio of the discharge current to the luminous area viewed from the vertical direction. J<sub>e</sub> proved to be independent of the discharge current I<sub>d</sub>, so that there is the possibility that J<sub>e</sub> was suggested as universal parameter to classify the discharge in a nonuniform electric field in vacuum.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_10_identifier_60":{"attribute_name":"URI","attribute_value_mlt":[{"subitem_identifier_type":"HDL","subitem_identifier_uri":"http://hdl.handle.net/2237/6813"}]},"item_10_publisher_32":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"IEEE","subitem_publisher_language":"en"}]},"item_10_relation_11":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type":"isVersionOf","subitem_relation_type_id":{"subitem_relation_type_id_text":"https://doi.org/10.1109/94.388249","subitem_relation_type_select":"DOI"}}]},"item_10_rights_12":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"Copyright © 1995 IEEE. Reprinted from (relevant publication info). This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of Nagoya University’s products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to pubs-permissions@ieee.org.","subitem_rights_language":"en"}]},"item_10_select_15":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_select_item":"publisher"}]},"item_10_source_id_7":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1070-9878","subitem_source_identifier_type":"PISSN"}]},"item_10_text_14":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_text_value":"application/pdf"}]},"item_1615787544753":{"attribute_name":"出版タイプ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"open access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_abf2"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Hikita, M.","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"13212","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Fujimori, M.","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"13213","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Hayakawa, N.","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"13214","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Okubo, H.","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"13215","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2018-02-19"}],"displaytype":"detail","filename":"dei_2_2_263.pdf","filesize":[{"value":"2.2 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"dei_2_2_263.pdf","objectType":"fulltext","url":"https://nagoya.repo.nii.ac.jp/record/5227/files/dei_2_2_263.pdf"},"version_id":"449a3487-3544-40b0-8891-473dff7600cb"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"Image process discharge classification under nonuniform fields in air and He at low pressure","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Image process discharge classification under nonuniform fields in air and He at low pressure","subitem_title_language":"en"}]},"item_type_id":"10","owner":"1","path":["322"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2006-08-08"},"publish_date":"2006-08-08","publish_status":"0","recid":"5227","relation_version_is_last":true,"title":["Image process discharge classification under nonuniform fields in air and He at low pressure"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-01-16T03:49:52.090854+00:00"}