Search Results 1-20 of 113

  • The Influence of Surface Preparation on Corrosion Resistance of Organic Zinc-Rich Paint  [in Japanese]

    KOBAYASHI Hiroaki , MORITA Koichi , YAMASHITA Yoshiya , KATAOKA Yasuhiro

    <p>屋外塗装鋼構造物は,耐食性を維持するため定期的に再塗装が行われる。再塗装による耐食性の発現には素地調整が重要とされており,良好な耐食性を発現するためには鋼板表面のさびや残存塗膜を十分除去する必要がある。代表的な素地調整として,ブラスト処理やワイヤブラシ処理がある。しかしながら,前者は設備コストや作業性に課題があり,後者は塗装後の耐食性に課題がある。そこで,本研究では,三種類のワイ …

    Journal of the Japan Society of Colour Material 92(4), 97-106, 2019

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  • Fabrication and Testing of Liquid Cooling System for Laptop PC Incorporated with Magnetically Driven Micro-pumps

    Urabe R. , Yamada H. , Honda T.

    … This system consists of a liquid cooling jacket adhered to a CPU, a heat radiation flat plate on the back cover of a monitor, and magnetically driven micro-pumps. … First, the size of the plate and the flow rate of coolant were determined on the basis of a thermal resistance method. … As a result of a heating test, the liquid cooling system equipped with the two micro-pumps in series, successfully dissipated heat up to 50 W.</p> …

    Transaction of the Magnetics Society of Japan Special Issues 3(1), 48-53, 2019

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  • Development of a Support System for Radiation Resistance Testing

    NAGATA Akihiro , YASUDA Atsushi , WATANABE Hiromasa , KAMEDA Toshihiro

    Radiation resistance testing is a useful method of evaluating operational stability in the space environment. … Since the single event effect (SEE) is a probabilistic phenomenon, it is necessary to monitor the test pieces at all times during the radiation test. …

    TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN 17(2), 263-269, 2019

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  • Insulation Performance of Safety-related Cables for Nuclear Power Plants under Simulated Severe Accident Conditions

    Minakawa Takefumi , Ikeda Masaaki , Hirai Naoshi , Ohki Yoshimichi

    … To examine the electrical insulation behavior of the cables under SA environmental conditions, two types of cables were first pre-aged by simultaneous thermal and radiation exposure in accordance with the procedure prescribed in "The Guide for Ageing Evaluation of Cables for Nuclear Power Plants" (JNES-RE-2013-2049, 2014), irradiated to simulate radiation exposure during SA, and then subjected to two steam exposure conditions: 155°C and 0.444 MPaG for 14 days, and 200°C and 0.620 MPaG for 7 days. …

    IEEJ Transactions on Fundamentals and Materials 139(2), 54-59, 2019

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  • STUDY ON LINEAR THERMAL TRANSMITTANCE REDUCTION METHOD BETWEEN PVC WINDOWS AND BUILDING WALLS  [in Japanese]

    TAKADA Kazunori , TATEMATSU Koichi , SHIMONOSONO Kei , HAYAMA Hirofumi , MORI Taro , KIKUTA Koki

    … We presented a configuration that minimized the linear thermal transmittance, described the fabrication of test specimens, and reported the appropriateness of these specimens via performance verification. …

    Journal of Environmental Engineering (Transactions of AIJ) (754), 955-964, 2018-12

    J-STAGE  AIJ 

  • EXPERIMENTAL STUDY FOR BEHABIOR OF THE MULLIONS OF STICK SYSTEM ALUMINUM CURTAIN WALLS EXPOSED TO STANDARD FIRE  [in Japanese]

    EGUCHI Junko , IKEDA Kenichi , CHIBA Fumihiko , OHMIYA Yoshifumi , SUGAHARA Shinichi

    … have fire resistant performance, the performance of whole curtain wall is not confirmed.<br> The purpose of this study was to clarify behavior of the mullions of typical stick system aluminum curtain walls exposed to standard fire.<br> There are no standard testing methods to evaluate fire resistance performance of curtain walls in Japan, so five types of heating test methods are considered in this study to heat areas of curtain walls with different fire resistance

    Journal of Structural and Construction Engineering (Transactions of AIJ) (738), 1287-1297, 2017-08

    J-STAGE  AIJ 

  • Evaluation of photodynamic therapy effect along with colistin on pandrug-resistant <i>Acinetobacter baumannii</i>

    Pourhajibagher Maryam , Kazemian Hosein , Chiniforush Nasim , Bahador Abbas

    … PDRAB which was isolated from burn patients was used as a test strain. … PDT carried out in which toluidine blue O (TBO) and light-emitting diode (LED) were used as photosensitizer and radiation source, respectively. …

    LASER THERAPY 26(2), 97-103, 2017

    J-STAGE  Ichushi Web 

  • Development of the Beam Separation Dipole for the HL-LHC Upgrade  [in Japanese]

    SUGANO Michinaka

    … The technical challenges are controlling the pre-stress of the thin coils, achieving high radiation resistance and managing the iron saturation. … Then, fabrication and test results of the first 2-m model are reported. …

    TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan) 52(3), 149-156, 2017

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  • Radiation Effect Evaluation of Commercial Communication IC and Application for Satellite Component  [in Japanese]

    NAGATA Akihiro , IMAI Ryujin , YASUDA Atsushi , WATANABE Hiromasa , KAMEDA Toshihiro

    <p>ソフトウェア制御可能な民生用ワンチップトランシーバ IC に対して,宇宙利用への応用可能性を評価すること を目的として放射線耐性評価試験,熱試験,真空試験を実施した.実際に宇宙利用が行われているワンチップマ イコンの放射線耐性と比較した結果,良好な耐性を持つことが確認された.その他の宇宙環境試験についても, 問題が無いことが確認された.これらを踏まえて,宇宙利用の第一歩として,小 …

    The Proceedings of the Space Engineering Conference 2016.25(0), 1B2, 2016

    J-STAGE 

  • Experimental study on durability evaluation of protective coatings for steel highway bridges  [in Japanese]

    Tomiyama Tomonori , Nishizaki Itaru

    … We have examined corrosion protection properties and weathering resistance of coating films. … The test pieces coated with C-5 system have been subjected to accelerated weathering tests (under xenon-arc radiation) and cyclic corrosion tests (salt fog/dry/humidity). …

    Kozo Kogaku Ronbunshu. A (Journal of Structural Engineering. A) 62A(0), 630-638, 2016

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  • PERFORMANCE OF BURNING AND STRENGTH OF WOOD AGAINST LOW RADIATION:Fundamental research for promotion of gymnasiums with roofs supported by wooden beams  [in Japanese]

    HARADA Koji , INOUE Masafumi , TANAKA Kei , NAKAMURA Noboru , IKEDA Motoyoshi , ITAGAKI Naoyuki

    …  The purpose of this study was to obtain the fundamental values which were required to establish the decisions for the fire resistance verification method in case of localized fire scenario. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) 81(727), 1491-1500, 2016

    J-STAGE 

  • Dynamic Insulation System Applied to Window : Part 2-Thermal Sensational Analysis and Contribution Ratio of Indoor Climate  [in Japanese]

    KAWAHARA Daisuke , KATO Shinsuke

    建築物の省エネ化は世界的な課題であり、建築外皮の断熱化はこの課題解決に重要である。そこで著者らは見かけの断熱性能を向上させるダイナミックインシュレーション(DI: Dynamic Insulation)技術に着目をし、断熱性能の悪い開口部に適用し(DI窓)、その断熱性能向上の報告を行った。しかし流入する外気が若干の昇温をするとはいえ、対流による冷却や室内側表面温度の低下が報告されており、室内環境に …

    Transactions of the Society of Heating,Air-conditioning and Sanitary Engineers of Japan 41(227), 11-18, 2016

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  • ICONE23-1610 Endurance test report of rubber sealing materials for the containment vessel

    Yamamoto R. , Watanabe K. , Hanashima K.

    … In the event of a nuclear power plant accident such as a core meltdown and a cooling system failure, the containment contains radioactive materials released from the reactor pressure vessel to reduce the activity of the radioactive materials and the effects of radiation in the vicinity of the plant. …

    The Proceedings of the International Conference on Nuclear Engineering (ICONE) 2015.23(0), _ICONE23-1-_ICONE23-1, 2015

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  • Co-design for reducing power supply noises with On-die PDN Impedance  [in Japanese]

    KOBAYASHI Ryota , OTSUKA Hiroki , KUBO Genki , KIYOSHIGE Sho , ICHIMURA Wataru , TERASAKI Masahiro , SUDO Toshio

    CMOS LSIの高集積化・高速化・低電圧化に伴い,パワーインテグリティ(PI)を確保することの重要度が増してきている.特に,パッケージ・ボードにチップの電源インピーダンスを考慮した統合電源インピーダンスには反共振ピークが生じ,それが電源ノイズや不要な電磁放射を増大させる元凶となっている.この対策として,チップ電源網に対して適度な抵抗と容量を付加することで,この反共振現象を抑える手法である.本研究 …

    Technical report of IEICE. ICD 113(323), 7-12, 2013-11-27

  • Co-design for reducing power supply noises with On-die PDN Impedance  [in Japanese]

    KOBAYASHI Ryota , OTSUKA Hiroki , KUBO Genki , KIYOSHIGE Sho , ICHIMURA Wataru , TERASAKI Masahiro , SUDO Toshio

    CMOS LSIの高集積化・高速化・低電圧化に伴い,パワーインテグリティ(PI)を確保することの重要度が増してきている.特に,パッケージ・ボードにチップの電源インピーダンスを考慮した統合電源インピーダンスには反共振ピークが生じ,それが電源ノイズや不要な電磁放射を増大させる元凶となっている.この対策として,チップ電源網に対して適度な抵抗と容量を付加することで,この反共振現象を抑える手法である.本研究 …

    IEICE technical report. Component parts and materials 113(322), 7-12, 2013-11-27

  • ASSESMENT OF WEATHER RESISTANCE AT DESIGN OF GEOTEXTILE BAG  [in Japanese]

    SEKIGUCHI Yoko , SUWA Yoshio , NOGUCHI Kenji , WATANABE Kunihiro , ITO Yukiyoshi , IWASA Takahiro

    サンドパック工法は,現地の砂を繊維素材で構成された袋材に詰める海岸保全のための工法である.土木工事に使用される繊維素材のものとして大型土のうや袋詰め玉石工など仮設材として使用されているが,コンクリートなどの従来の海岸構造物に比べて実績も少なく耐久性について未解明な部分が多い.特に海岸で使用する場合は,紫外線による劣化に加えて海塩などの影響も加わり繊維素材にとって厳しい環境下であると考えられる.そこ …

    Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering) 68(2), I_714-I_719, 2012

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  • Insulation and Impregnation Test for ITER Toroidal Field Coils  [in Japanese]

    HEMMI Tsutomu , MATSUI Kunihiro , KOIZUMI Norikiyo , NAKAJIMA Hideo , IIJIMA Ami , SAKAI Masahiro

    … Since impregnation of the insulation system is one criterion for qualification in this study, we performed impregnation tests using a cyanate-ester/epoxy blended resin, chosen for its excellent resistance to radiation. … 2) an impregnation test using a metallic model to confirm that no void remains in the insulation layer after curing in the D-shaped configuration; …

    TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan) 47(3), 172-177, 2012

    J-STAGE 

  • 27aGJ-4 Test of X-ray Microcalorimeter for Radiation Resistance  [in Japanese]

    Enokijima Yousuke , Yamamoto Ryo , Ohta Masayuki , Sato Tamotsu , koseki Yuu , Kokubun Motohide , Ishisaki Yoshitaka , Ezoe Yuishiro , Ohashi Takaya , Oishi Shihoko , Toba Reina , Mitsuda Kazuhisa , Yamasaki Noriko , Takei Yoh

    Meeting Abstracts of the Physical Society of Japan 67.1.1(0), 143, 2012

    J-STAGE 

  • Effect of Chemical Composition on the Microstructure of Carbide Reinforced Indefinite Chilled Rolls

    HUANG Genzhe , LI Zenghui , TANG Jianyin , TIAN Ye

    radiation) to identify the type, morphology, and to measure the volume fraction and the distribution of carbides and graphites formed during solidification. … The test also shows that, by increasing Si and reducing Cr content, the volume fraction of the graphite increases accordingly, whereas much of its shape turns to be finely flake-like. …

    ISIJ International 51(6), 939-944, 2011-06-15

    J-STAGE  References (11)

  • Study on Durability of Steel Doors and Sashes  [in Japanese]

    荒井 領 , 井上 朝雄

    test for measurement of temperature and humidity of a hollow steel door in Fukuoka. …

    芸術工学研究 : 九州大学大学院芸術工学研究院紀要 15, 29-51, 2011

    IR  DOI 

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