{"_buckets": {"deposit": "089cb98e-c4ed-4555-81a6-d6c3ae5ec7bd"}, "_deposit": {"created_by": 1, "id": "5850", "owners": [1], "pid": {"revision_id": 0, "type": "depid", "value": "5850"}, "status": "published"}, "_oai": {"id": "oai:jaxa.repo.nii.ac.jp:00005850", "sets": ["1015", "1891"]}, "author_link": ["28795", "28801", "28799", "28798", "28796", "28800", "28797", "28802"], "item_5_alternative_title_2": {"attribute_name": "その他のタイトル（英）", "attribute_value_mlt": [{"subitem_alternative_title": "Three-dimensional simulation of grid erosion for an ion thruster"}]}, "item_5_biblio_info_10": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2007-03-30", "bibliographicIssueDateType": "Issued"}, "bibliographicPageEnd": "58", "bibliographicPageStart": "54", "bibliographicVolumeNumber": "JAXA-SP-06-019", "bibliographic_titles": [{"bibliographic_title": "宇宙航空研究開発機構特別資料: イオン加速グリッド耐久認定用数値解析JIEDI(JAXA Ion Engine Development Initiatives)ツールの研究開発ワークショップ　2006年度報告書"}, {"bibliographic_title": "JAXA Special Publication: Annual Report of Workshop on Research and Development of JIEDI (JAXA Ion Engine Development Initiatives) Tool for Numerical Evaluation of Ion Engine Grid Lifetime, FY2006", "bibliographic_titleLang": "en"}]}]}, "item_5_description_16": {"attribute_name": "抄録", "attribute_value_mlt": [{"subitem_description": "本研究では、3次元粒子シミュレーションコードの開発を行い、中性粒子分布に着目した解析を行った。本コードでは、まず中性粒子分布をDSMC(Direct Simulation Monte Carlo)法により求め、得られた中性粒子分布に対してPIC(Particle In Cell)法によるイオン運動および中性粒子-イオン間の電荷交換解析を行うことによってアクセルグリッドに衝突する電荷交換イオン分布を評価している。電荷交換イオンは中性粒子との衝突により生じるため中性粒子密度分布が重要になってくるが、中性粒子密度分布は流入条件だけでなく壁との反射条件に依存する。本研究では、電気推進機に関するDSMC法を用いた解析において通常用いられる拡散反射条件を適用した場合に加えて鏡面反射条件を用いた場合についても同様な解析を行うことにより、中性粒子解析が損耗評価に与える影響について調べた。本報告では、開発したコードの有効性確認、中性粒子条件の影響評価を目的とし、まずグリッド形状を固定して行った解析結果について報告する。", "subitem_description_type": "Abstract"}]}, "item_5_description_17": {"attribute_name": "抄録（英）", "attribute_value_mlt": [{"subitem_description": "Lifetime of ion engines is limited by erosion of acceleration channel due to charge-exchange ions. The charge-exchange process is influenced by neutral density distribution. For the purpose of investigating effects of neutral conditions, three-dimensional particle simulations were performed. The results show that neutral boundary conditions affect ion flux distributions on the acceleration grid surface.", "subitem_description_type": "Other"}]}, "item_5_description_32": {"attribute_name": "資料番号", "attribute_value_mlt": [{"subitem_description": "資料番号: AA0063329007", "subitem_description_type": "Other"}]}, "item_5_description_33": {"attribute_name": "レポート番号", "attribute_value_mlt": [{"subitem_description": "レポート番号: JAXA-SP-06-019", "subitem_description_type": "Other"}]}, "item_5_publisher_8": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "宇宙航空研究開発機構"}]}, "item_5_publisher_9": {"attribute_name": "出版者（英）", "attribute_value_mlt": [{"subitem_publisher": "Japan Aerospace Exploration Agency (JAXA)"}]}, "item_5_source_id_21": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "1349-113X", "subitem_source_identifier_type": "ISSN"}]}, "item_5_source_id_24": {"attribute_name": "書誌レコードID", "attribute_value_mlt": [{"subitem_source_identifier": "AA11984031", "subitem_source_identifier_type": "NCID"}]}, "item_5_text_20": {"attribute_name": "その他キーワード", "attribute_value_mlt": [{"subitem_text_value": "宇宙船の推進及び出力"}, {"subitem_text_value": "数値解析"}, {"subitem_text_value": "コンピュータプログラミング及びソフトウェア"}]}, "item_5_text_35": {"attribute_name": "JAXAカテゴリ", "attribute_value_mlt": [{"subitem_text_value": "JAXAカテゴリ: 特別資料"}]}, "item_5_text_40": {"attribute_name": "jaxa出版物種類", "attribute_value_mlt": [{"subitem_text_value": "jaxa出版物種類: SP"}]}, "item_5_text_43": {"attribute_name": "DSpaceコレクション番号", "attribute_value_mlt": [{"subitem_text_value": "DSpaceコレクション番号: 7"}]}, "item_5_text_6": {"attribute_name": "著者所属", "attribute_value_mlt": [{"subitem_text_value": "岐阜大学"}, {"subitem_text_value": "岐阜大学"}, {"subitem_text_value": "岐阜大学"}, {"subitem_text_value": "岐阜大学"}]}, "item_5_text_7": {"attribute_name": "著者所属（英）", "attribute_value_mlt": [{"subitem_text_language": "en", "subitem_text_value": "Gifu University"}, {"subitem_text_language": "en", "subitem_text_value": "Gifu University"}, {"subitem_text_language": "en", "subitem_text_value": "Gifu University"}, {"subitem_text_language": "en", "subitem_text_value": "Gifu University"}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "宮坂, 武志"}], "nameIdentifiers": [{"nameIdentifier": "28795", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "安里, 勝雄"}], "nameIdentifiers": [{"nameIdentifier": "28796", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "岡田, 宏太"}], "nameIdentifiers": [{"nameIdentifier": "28797", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "柴田, 悠基"}], "nameIdentifiers": [{"nameIdentifier": "28798", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Miyasaka, Takeshi", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "28799", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Asato, Katsuo", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "28800", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Okada, Kota", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "28801", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Shibata, Yuki", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "28802", "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": "2020-01-16"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "63329007.pdf", "filesize": [{"value": "998.9 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_free", "mimetype": "application/pdf", "size": 998900.0, "url": {"label": "63329007.pdf", "url": "https://jaxa.repo.nii.ac.jp/record/5850/files/63329007.pdf"}, "version_id": "7b33f93d-8715-4f12-bc59-3a273a6ef19f"}]}, "item_keyword": {"attribute_name": "キーワード", "attribute_value_mlt": [{"subitem_subject": "イオンエンジン", "subitem_subject_scheme": "Other"}, {"subitem_subject": "電荷交換", "subitem_subject_scheme": "Other"}, {"subitem_subject": "寿命", "subitem_subject_scheme": "Other"}, {"subitem_subject": "3次元モデル", "subitem_subject_scheme": "Other"}, {"subitem_subject": "計算機シミュレーション", "subitem_subject_scheme": "Other"}, {"subitem_subject": "浸食", "subitem_subject_scheme": "Other"}, {"subitem_subject": "イオンエンジングリッド", "subitem_subject_scheme": "Other"}, {"subitem_subject": "計算格子", "subitem_subject_scheme": "Other"}, {"subitem_subject": "パーティクルインセル技法", "subitem_subject_scheme": "Other"}, {"subitem_subject": "ion engine", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "charge exchange", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "life", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "three dimensional model", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "computerized simulation", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "erosion", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "ion engine grid", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "computational grid", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "particle in cell technique", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}]}, "item_language": {"attribute_name": "言語", "attribute_value_mlt": [{"subitem_language": "jpn"}]}, "item_resource_type": {"attribute_name": "資源タイプ", "attribute_value_mlt": [{"resourcetype": "conference paper", "resourceuri": "http://purl.org/coar/resource_type/c_5794"}]}, "item_title": "イオンエンジングリッド損耗に関する3次元解析", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "イオンエンジングリッド損耗に関する3次元解析"}]}, "item_type_id": "5", "owner": "1", "path": ["1015", "1891"], "permalink_uri": "https://jaxa.repo.nii.ac.jp/records/5850", "pubdate": {"attribute_name": "公開日", "attribute_value": "2015-03-26"}, "publish_date": "2015-03-26", "publish_status": "0", "recid": "5850", "relation": {}, "relation_version_is_last": true, "title": ["イオンエンジングリッド損耗に関する3次元解析"], "weko_shared_id": -1}