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== 冷凍機 ==
 . リーダー: 春山富義 (KEK)
== 低温系インテグレーション 計測(地盤、環境) ==
 . リーダー: 都丸隆行 (KEK)
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 . サブリーダー:木村誠宏 (KEK)
 . サブリーダー(Cryo-Payload):山元一広 (ICRR)

== 低振動冷凍機ユニット 低温系工事工程 ==
 . リーダー: 木村誠宏 (KEK)
 . サブリーダー:都丸隆行 (KEK)

== CAD ==
 . 操作+図面管理:萩原綾子

== Simulation FEA analysis ==
 . Analyst:Rahul Kumar

== 技術者 Engineer, Technician ==
 . 機械工作:寺島真一
 . 低温装置、溶接作業:村上 巌
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== 低温装置 ==
 . リーダー: 鈴木敏一 (KEK)
 . サブリーダー:内山隆 (ICRR)
 . サブリーダー:木村誠宏 (KEK)
 . サブリーダー(Cryo-Payload):山元一広 (ICRR)
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=== 14th cryogenic payload meeting (2012 Aug. 8 ICRR) ===
 . ・ [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1229|Cryogenic accelerometer (D. Chen)]]
 . ・ [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1221|Initial cooling via radiation (Y. Sakakibara)]]
 . ・ [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1225|Thermal conductivity of sapphire fibers (T. Ushiba)]]
 . ・ [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1220|Current status (University of Toyama, ELiTES, Baffle, Mirror)(K. Yamamoto)]]
 . ・ [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1405|KAGRA cryostatの設置向きについて(K. Yamamoto)]]
 . ・ [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=3190|RF and AF Cabling Policy for KAGRA ISC(Y. Michimura)]]
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=== 13th cryogenic payload meeting (2012 July. 4 ICRR) ===
 . ・ [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1127|Other idea for suspension (W. Johnson)]]
 . ・ [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1126|Silicon flexures suspension (R. DeSalvo)]]
 . ・ [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1125|Current status(Measurement of Q values of sapphire fibers)(K. Shibata)]]
 . ・ [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1124|Current status(ELiTES and Toyama workshop)(K. Yamamoto)]]
=== Design drawings ===
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=== 12th cryogenic payload meeting (2012 June. 6 ICRR) ===
 . ・[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1101|Silicon flexures suspension (R. DeSalvo)]]
 . ・[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1102|Current status(Measurement of thermal conductivity of sapphire fiber)(T. Ushiba)]]
 . ・[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1100|Current status(ELiTES and IMPEX sapphire fiber)(K. Yamamoto)]]
 . ・ [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2106|Preliminary design of Type-A suspension system (cryogenic seismic attenuation system) for KAGRA sapphire mirrors(T. Sekiguchi, E. Hirose)]]
 . ・ [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2005|Cryostat, cryoduct, and vacuum chamber for Type A in CAD(S. Koike)]]
 . ・ [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2076|Components in KAGRA radiation shield(S. Koike)]]
 . ・ [[https://www.icrr.u-tokyo.ac.jp/~miyoki/KAGRA-CleanBooth.zip|CAD drawing for clean booth(Shinji Miyoki)]]
 . ・ [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2188|Wide-angle baffle(prototype)(T. Akutsu)]]
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=== 11th cryogenic payload meeting (2012 April. 25 ICRR) ===
 . ・[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1019|Current status(ELiTES and Geometry of payload)(K. Yamamoto)]]
=== クライオスタット姿勢変動 不同沈下 ===
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=== 10th cryogenic payload meeting (2012 April. 4 ICRR) ===
 . ・[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=934|Current status (Research strategies and Geometry of payload)(K. Yamamoto)]]
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=== 9th cryogenic payload meeting (2012 Mar. 7 ICRR) ===
 . ・[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=896|Measurement of RRR of candidate materials (Shibata)]]
 . ・[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=897|Material Selection for the Masses (5) and Lab Preparation(Tokoku)]]
 . ・[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=895|Current status (Yamamoto)]]
=== Schedule about cryogenic payload ===
 . ・ [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=1918|Schedule(K. Yamamoto)]]
 . [[attachment:figure(PLELIMINARY).pdf|Figure about cryogenic payload]] (It should be replaced).
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=== 8th cryogenic payload meeting (2012 Feb. 8 ICRR) ===
 . ・[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=863|Reduction of thermal radiation through a shield pipe for KAGRA (Sakakibara)]]
 . ・[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=865|Material Selection for the Masses (4) and Lab Preparation(Tokoku)]]
 . ・[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=864|Current status (Yamamoto)]]
=== Meeting ===
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=== 第七回 低温懸架打ち合わせ(2012.1.10 ICRR) ===
 . ・ [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=771|現状報告(マスとワイヤの材質選択と実験室準備)(東谷)]]
 . ・ [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=769|現状報告(熱雑音とサファイアファイバ)(山元)]]
  * [[KAGRA/Subgroups/CRY/CSIM|Cryogenic System Integration Meeting]] : 13:30 of every Tuesday (ICRR)
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=== 第六回 低温懸架打ち合わせ(2011.11.30 ICRR) ===
 . ・ [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=716|Sapphire fiberの熱雑音(関口)]]
 . ・ [[attachment:KAGRA/Subgroups/VAC/20111130_material_tokoku.pdf|4分の1実証機の準備の進捗およびマスの材質-(東谷)]]
 . ・ [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=721|サファイアファイバ関連とparameterについて(山元)]]
 .
  * [[KAGRA/Subgroups/CRY/CRYpmeeting|Cryogenic payload meetings]] are held on 15:00 of every Tuesday (ICRR)
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=== 第五回 低温懸架打ち合わせ(2011.10.26 ICRR) ===
 . ・ [[attachment:vertical-spring.pdf|低温用縦ばねの開発-(高橋)]]
 . ・ [[attachment:20111026_material_tokoku.pdf|マスの材質-(東谷)]]
 . ・ [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=640|高放射率材料の反射率測定(榊原)]]
 . ・ [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=639|並木精密宝石、今後のcryogenic payloadの方針(山元)]]
=== Action Items list ===
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=== 第四回 低温懸架打ち合わせ(2011.09.28 ICRR) ===
 . ・ [[attachment:meeting110928.ppt|低温懸架打ち合わせ-(山元) 110928]]
 . ・ [[attachment:tapered sapphire fiber 110928.pdf|テーパー付サファイアファイバー-(内山) 110928]]
 . ・ [[attachment:榊bafdoublecone2.pdf|ダクトシールドからの入熱-(榊原) 110928]]
 . ・ [[attachment:報告110928_TS.pdf|接合の進展 -常温接合打ち合わせ報告-(鈴木) 110928]]
 . ・ [[attachment:minute (2011 Sep. 28).pdf|議事録-(山元) 110928]]

=== 第三回 低温懸架打ち合わせ(2011.08.31 ICRR) ===
 . ・ 低温懸架装置ミーティング(山元)110831
 . ・ [[attachment:110831coolingtime_sakakibara.pdf|初期冷却時間(榊原) 110831]]
 . ・ [[attachment:110831highem_sakakibara.pdf|黒化処理材料の反射率測定(榊原) 110831]]
 . ・ [[attachment:SapphireBond_CryoPayload3rd_TS_v1.pdf|接合の現状(鈴木) 110831]]
 . ・ [[attachment:minutes110831_susp.pdf|議事録(山元) 110831]]

=== 第一回 低温懸架打ち合わせ(2011.07.01 KEK) ===
 . ・ [[attachment:kickoff110701.ppt|打ち合わせ資料(山元) 110701]]
 . ・ [[attachment:PAB110621CryogenicsE2.ppt|参考資料(鈴木) 110701]]

=== 低温装置打ち合わせ ===
 . Vib. Isolator for 1W PTC 2011.06.27 at J. Torisha
 . ・ [[attachment:torisha110627.pdf|立ち会い報告 110627]]

.Report of annealing for thin Al bundles 2011.06.24 .・ [[attachment:Anneal_thin_Al_bundle110624v2.pdf|Heat Linkサンプルの焼鈍結果 110627]]

.Cryostat Shield (4th) 2011.2.24 and Cryostat Shield (4th) 2011.2.25, KEK Cryogenics Centre R110

 . ・ [[attachment:CryoShield110224_25Memo.rtf|打ち合わせメモ 11024および110225]]
 . ・ [[attachment:LCGT_Shieldmode-110225.pdf|Cryostat Shields図 110225]]

.Cryostat Shield (4th) 2011.2.14 KEK Cryogenics Centre R110

 . ・ [[attachment:shield110217Memo.rtf|打ち合わせメモ 110217]]
 . ・ [[attachment:LCGT_Cryo_110217.pdf|Cryostat Shields図 110217]]

.Cryostat Shield (3rd) 2011.2.10 KEK Cryogenics Centre R110 Polycom+EVO

 . ・ [[attachment:議事録110210.rtf|打ち合わせメモ110210]]
 . ・ [[attachment:LCGT_Cryo_110210.pdf|Cryostat Shield図 110210]]

.Cryostat 2010.11.18 EVO

 . ・ [[attachment:cryo20101119_2.pdf|打ち合わせ資料v2]]
 . ・[[attachment:KAGRA/Subgroups/VAC/SI_outgas20101104s.pdf|SI脱ガス中間報告]]
 . ・[[attachment:KAGRA/Subgroups/VAC/graphitesheets.pdf|グラファイトシート]]
  * [[KAGRA/Subgroups/CRY/ryopayload_AIs|Action Item List]]

低温系インテグレーション 計測(地盤、環境)

  • リーダー: 都丸隆行 (KEK)
  • サブリーダー:内山隆 (ICRR)
  • サブリーダー:木村誠宏 (KEK)
  • サブリーダー(Cryo-Payload):山元一広 (ICRR)

低振動冷凍機ユニット 低温系工事工程

  • リーダー: 木村誠宏 (KEK)
  • サブリーダー:都丸隆行 (KEK)

CAD

  • 操作+図面管理:萩原綾子

Simulation FEA analysis

  • Analyst:Rahul Kumar

技術者 Engineer, Technician

  • 機械工作:寺島真一
  • 低温装置、溶接作業:村上 巌

Document

Document

Design drawings

クライオスタット姿勢変動 不同沈下

Schedule about cryogenic payload

Meeting

Action Items list

KAGRA/Subgroups/CRY (last edited 2023-07-10 12:16:15 by miyoki)