{"created":"2023-07-27T07:00:02.935464+00:00","id":59841,"links":{},"metadata":{"_buckets":{"deposit":"2e5e3e7c-8756-417e-a76f-3c0f53f264b5"},"_deposit":{"created_by":18,"id":"59841","owners":[18],"pid":{"revision_id":0,"type":"depid","value":"59841"},"status":"published"},"_oai":{"id":"oai:kanazawa-u.repo.nii.ac.jp:00059841","sets":["2812:2813:2836"]},"author_link":["10581","14940"],"item_9_biblio_info_8":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1999-03-15","bibliographicIssueDateType":"Issued"},"bibliographicPageStart":"2p.","bibliographicVolumeNumber":"1996 – 1997","bibliographic_titles":[{"bibliographic_title":"平成9(1997)年度 科学研究費補助金 基盤研究(A) 研究成果報告書概要"},{"bibliographic_title":"1997 Fiscal Year Final Research Report Summary","bibliographic_titleLang":"en"}]}]},"item_9_creator_33":{"attribute_name":"著者別表示","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{}],"nameIdentifiers":[{},{}]}]},"item_9_description_21":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"本研究ではセラミックフィルタ上の堆積粉塵層の形成過程,および堆積粉塵層空間率の払い落とし効率への影響を実験的に検討した。\n粉塵堆積機構については,種々の濾過速度における粉塵堆積実験を行い,堆積粉塵層による圧力損失および堆積粉塵層の厚み変化を測定して,堆積粉塵層の空間率の時間変化を求めた。また,堆積粉塵層のフィルタ円周方向の粉塵量分布を気流と粉塵量が同時に変化するとしたモデルを提案し,高温集塵条件下での粉塵堆積量分布を予測した。\n粉塵払い落とし機構については,堆積粉塵量が等しく空間率の異なる堆積粉塵層対して粉塵払い落とし実験を行い,フィルタ内外および表面上の圧力およびフィルタ中部での粉塵片の剥離距離を測定して粉塵払い落とし効率を求め,堆積粉塵層の空間率と払い落とし効率の関係および,粉塵払い落とし機構を検討した。また,粉塵払い落とし現象の可視化,払い落とし後のフィルタ表面の観察を行い,詳細に粉塵払い落とし機構を検討した。以下に本研究で得られた結果を示す。\n1)セラミックフィルタによる集塵時の堆積粉塵層は異なった3つの構造(空間率の低い初期粉塵層,空間率の高い過渡粉塵層,定常粉塵層)により形成される。\n2)提案したモデルによる数値シミュレーションから,大気圧の条件下では粉塵供給口に近い部分での堆積粉塵の厚みが最も厚く,供給口に最も近い部分(=0deg)より130deg付近の厚みが最も少なく,厚みの少ない位置での粉塵量の増加速度は最も速くなることがわかった。また,気流の温度上昇すると粉塵層の厚み分布は小さくなる。\n3)堆積粉塵の払い落とし効率は,堆積粉塵層が等しければ,払い落とし気流の圧力が大きいものほど高くなり,空間率の低いものほど低くなる。\n4)フィルタ表面からの剥離粉塵片の距離は,堆積粉塵層の空間率が低いものほど遅く始まり,剥離粉塵片の大きさは小さくなる。","subitem_description_type":"Abstract"},{"subitem_description":"As filtration goes on, dusts are collected on a ceramic filter element and form a dust cake layr on it. The filtration conditions and particle properties affect the accumulated amount and its shape on the element. Once dust cake is formed, the appearance of the filter changes and thus the flow around it also changes. This means that both flow field and the shape of dust layr interact with each other and they change with time, i.e., filtration performance changes with time. To elucidate the change in the flow around the filter element and accumulation process with time, a new analysis method has been proposed. Its capability has been demonstrated by solving them at filtration velocity of 5 Ncm/s varying gas temperature from 293 to 1123 K,pressure from 1 to 10 atmosphere and packing from 0.03 and 0.12.\nAs a result, it is found that dust cake forms a non-uniform layr on the element at any filtration condition, i.e., the maximum deposition appears at the front of the element and the minimum is observed around 120-150 degree from the front. It shifts forward as temperature rises but backward as pressure rises. With the increasing pressure, temperature and packing density, the uniformity of the dust layr increases. Suction velocity to the element, i.e., filtration velocity, decreases with time because of the increase in the resistance due to the accumulated dust. This also results in the suppression of accumulation rate of dust on the element with time. This effect is significant at high pressure and high temperature. Furthermore, pressure drop across the element increases non-linearly with time and it shows higher drops when temperature and pressure are high.","subitem_description_type":"Abstract"}]},"item_9_description_22":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"研究課題/領域番号:08558064, 研究期間(年度):1996 – 1997","subitem_description_type":"Other"},{"subitem_description":"出典：研究課題「高性能高温集塵技術の開発」課題番号08558064\n（KAKEN：科学研究費助成事業データベース（国立情報学研究所）） \n（https://kaken.nii.ac.jp/ja/report/KAKENHI-PROJECT-08558064/085580641997kenkyu_seika_hokoku_gaiyo/）を加工して作成","subitem_description_type":"Other"}]},"item_9_description_5":{"attribute_name":"提供者所属","attribute_value_mlt":[{"subitem_description":"金沢大学工学部","subitem_description_type":"Other"}]},"item_9_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.24517/00066092","subitem_identifier_reg_type":"JaLC"}]},"item_9_relation_28":{"attribute_name":"関連URI","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_text":"https://kaken.nii.ac.jp/search/?qm=00019770"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://kaken.nii.ac.jp/search/?qm=00019770","subitem_relation_type_select":"URI"}},{"subitem_relation_name":[{"subitem_relation_name_text":"https://kaken.nii.ac.jp/ja/grant/KAKENHI-PROJECT-08558064/"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://kaken.nii.ac.jp/ja/grant/KAKENHI-PROJECT-08558064/","subitem_relation_type_select":"URI"}},{"subitem_relation_name":[{"subitem_relation_name_text":"https://kaken.nii.ac.jp/ja/report/KAKENHI-PROJECT-08558064/085580641997kenkyu_seika_hokoku_gaiyo/"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://kaken.nii.ac.jp/ja/report/KAKENHI-PROJECT-08558064/085580641997kenkyu_seika_hokoku_gaiyo/","subitem_relation_type_select":"URI"}}]},"item_9_version_type_25":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_ab4af688f83e57aa","subitem_version_type":"AM"}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2022-05-26"}],"displaytype":"detail","filename":"TE-PR-KANAOKA-C-kaken 1999-2p.pdf","filesize":[{"value":"101.5 kB"}],"format":"application/pdf","licensetype":"license_11","mimetype":"application/pdf","url":{"label":"TE-PR-KANAOKA-C-kaken 1999-2p.pdf","url":"https://kanazawa-u.repo.nii.ac.jp/record/59841/files/TE-PR-KANAOKA-C-kaken 1999-2p.pdf"},"version_id":"e5003762-8776-4a9e-93a6-829cf2f1ab44"}]},"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":"research report","resourceuri":"http://purl.org/coar/resource_type/c_18ws"}]},"item_title":"高性能高温集塵技術の開発","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"高性能高温集塵技術の開発"},{"subitem_title":"Development of High Performance Filtration System for Hot Gas Cleaning","subitem_title_language":"en"}]},"item_type_id":"9","owner":"18","path":["2836"],"pubdate":{"attribute_name":"公開日","attribute_value":"2022-05-26"},"publish_date":"2022-05-26","publish_status":"0","recid":"59841","relation_version_is_last":true,"title":["高性能高温集塵技術の開発"],"weko_creator_id":"18","weko_shared_id":-1},"updated":"2023-07-27T13:01:44.915894+00:00"}