{"created":"2023-06-20T14:39:51.858735+00:00","id":6685,"links":{},"metadata":{"_buckets":{"deposit":"ca82b4b1-2888-4f92-ad7c-b961e19d2880"},"_deposit":{"created_by":1,"id":"6685","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"6685"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00006685","sets":["1887:1893","9:1368:1392:1394"]},"author_link":["34274","34270","34276","34275","34271","34273","34277","34272"],"item_3_alternative_title_2":{"attribute_name":"その他のタイトル（英）","attribute_value_mlt":[{"subitem_alternative_title":"A study of dynamic characteristics of the thermal control system utilizing latent heat"}]},"item_3_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2004-09-30","bibliographicIssueDateType":"Issued"},"bibliographicVolumeNumber":"JAXA-CR-04-001","bibliographic_titles":[{"bibliographic_title":"宇宙航空研究開発機構契約報告"},{"bibliographic_title":"JAXA Contract Report","bibliographic_titleLang":"en"}]}]},"item_3_description_16":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"近年の宇宙構造物の大規模化に伴う排熱量増大や、宇宙太陽発電システム(SSPS)の各変換部の冷却など、宇宙における排熱技術に対するニーズは高まっており、潜熱利用流体ループ式排熱システムが注目されている。このシステムは蒸発潜熱を利用して熱を吸収し、輸送するため、ポンプ動力やシステム重量を軽減できるメリットがある。また、圧力により作動流体の飽和温度を制御できるため素早く正確な制御が可能であるが、その制御技術は未だ確立されておらず実用化に至っていない。本論文では、潜熱利用流体ループ式排熱システムの動特性の把握を目的に、熱負荷、作動流体流量などの各種パラメータ変化に対する動特性実験を行った。さらに、従来の研究に無い新しいバルブ操作による制御方式を提案する。次に、動特性実験と同時に、本システムの動的シミュレーションモデルを構築し数値解析を行い、実験結果と比較検討した。これらの実験・数値解析より、以下の結果が得られた。1)熱負荷変化に対する蒸発器表面温度変化の一次遅れ時定数は低クォリティ領域では作動流体のクォリティに左右され、サブクール沸騰領域で極端に時定数が大きく、遅い。2)作動流体流量を操作する事は、潜熱利用流体ループ式熱制御システムの熱源温度を制御する方法としては不適当である。3)アキュムレータ圧力変化に対する蒸発器表面温度変化の一次遅れ時定数は低クォリティ領域では作動流体のクォリティに左右され、サブクール沸騰領域で極端に時定数が大きくなる。4)バルブを操作する事でEV圧力およびEV表面温度は一次遅れ状に変化する事が確認できた。5)蒸気バルブ開度操作により、潜熱利用流体ループ式排熱システムの熱源温度を自動的に一定範囲に制御する事が可能である事が検証できた。6)数値解析結果は実験結果と良く一致し、潜熱利用流体ループ式排熱システムの動的シミュレーションヘの適用可能性が確認できた。","subitem_description_type":"Abstract"}]},"item_3_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: AA0047682000","subitem_description_type":"Other"}]},"item_3_description_33":{"attribute_name":"レポート番号","attribute_value_mlt":[{"subitem_description":"レポート番号: JAXA-CR-04-001","subitem_description_type":"Other"}]},"item_3_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"宇宙航空研究開発機構"}]},"item_3_publisher_9":{"attribute_name":"出版者（英）","attribute_value_mlt":[{"subitem_publisher":"Japan Aerospace Exploration Agency (JAXA)"}]},"item_3_source_id_21":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1349-1148","subitem_source_identifier_type":"ISSN"}]},"item_3_source_id_24":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11999050","subitem_source_identifier_type":"NCID"}]},"item_3_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"神戸大学 工学部"},{"subitem_text_value":"神戸大学 工学部"},{"subitem_text_value":"神戸大学 工学部"},{"subitem_text_value":"神戸大学 工学部"}]},"item_3_text_7":{"attribute_name":"著者所属（英）","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"Kobe University Faculty of Engineering"},{"subitem_text_language":"en","subitem_text_value":"Kobe University Faculty of Engineering"},{"subitem_text_language":"en","subitem_text_value":"Kobe University Faculty of Engineering"},{"subitem_text_language":"en","subitem_text_value":"Kobe University Faculty of Engineering"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"藤井, 照重"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"浅野, 等"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"杉本, 勝美"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"和田, 賢宣"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Fujii, Terushige","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Asano, Hitoshi","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Sugimoto, Katsumi","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Wada, Masanobu","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"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","filename":"47682000.pdf","filesize":[{"value":"12.6 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"47682000.pdf","url":"https://jaxa.repo.nii.ac.jp/record/6685/files/47682000.pdf"},"version_id":"45ebc38a-5315-4a7b-bb36-0b2960924454"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"能動的熱制御システム","subitem_subject_scheme":"Other"},{"subitem_subject":"宇宙ステーション","subitem_subject_scheme":"Other"},{"subitem_subject":"潜熱","subitem_subject_scheme":"Other"},{"subitem_subject":"蒸発冷却","subitem_subject_scheme":"Other"},{"subitem_subject":"作動流体","subitem_subject_scheme":"Other"},{"subitem_subject":"熱伝達","subitem_subject_scheme":"Other"},{"subitem_subject":"2相流","subitem_subject_scheme":"Other"},{"subitem_subject":"HCFC123","subitem_subject_scheme":"Other"},{"subitem_subject":"active thermal control system","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"space station","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"latent heat","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"evaporative cooling","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"working fluid","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"heat transfer","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"two phase flow","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"HCFC123","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":"technical 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