Search Results:  1-20 of 2928

  • 1

    Control Technique of Solidus Temperature on Gold Base Solder for SiC Devices with High Temperature Operation  [in Japanese]

    高橋 弘樹 , 村上 善則 , 安在 岳士 [他]

    スマートプロセス学会誌 = Journal of smart processing 3(4), 205-211, 2014-07

  • 2

    Gray-box modeling for prediction and control of molten steel temperature in tundish

    Ahmad Iftikhar , Kano Manabu , Hasebe Shinji , Kitada Hiroshi , Murata Noboru

    … To realize stable production in the steel industry, it is important to control molten steel temperature in a continuous casting process. … The present work aims to provide a general framework of gray-box modeling and to develop a gray-box model that predicts and controls molten steel temperature in a tundish (TD temp) with high accuracy. …

    Journal of Process Control 24(4), 375-382, 2014-04

    IR CrossRef

  • 3

    Observation of water transport in the micro-porous layer of a polymer electrolyte fuel cell with a freezing method and cryo-scanning electron microscope

    Aoyama Yusuke , Suzuki Kengo , Tabe Yutaka , Chikahisa Takemi

    … the freezing method enables immobilization of the liquid water in the cell as ice forms by the freezing, and the cryo-SEM can visualize the water distribution in the vicinity of the MPL at high resolution without the ice melting. … It was shown that no liquid water accumulates inside the MPL in operation at 35 degrees C, while the pores of the MPL are filled with liquid water under very low cell temperature operation, at 5 degrees C. …

    Electrochemistry Communications 41, 72-75, 2014-04

    IR CrossRef

  • 4

    Gangrene of the Penis Due to Strangulation by a Rubber Band : A Case Report  [in Japanese]

    佐々木 雄太郎 , 小田 眞平 , 藤方 史朗 , 谷本 修二 , 菅 政治

    … After five days, he was taken to our hospital in an ambulance for high temperature and general malaise. … After the operation, he completely recovered. …

    泌尿器科紀要 = Acta urologica Japonica 60(3), 155-157, 2014-03

    IR

  • 5

    AlN/AlGaN HEMTs on AlN substrate for stable high-temperature operation

    Yafune N. , Hashimoto S. , Akita K. , Yamamoto Y. , Tokuda H. , Kuzuhara M.

    … We demonstrate an AlN/AlGaN high-electron-mobility transistor (HEMT) fabricated on a free-standing AlN substrate. … Negligible drain current degradation was observed at temperatures from 300 to 573 K, emonstrating that our AlN/AlGaN approach on an AlN substrate is promising for stable high-temperature operation. …

    Electronics Letters 50, 211-212, 2014-01-30

    IR

  • 6

    Low NOx Burner for Coal Fired Steam Generator  [in Japanese]

    Amano Iwamaro , Kokuryo Shigeharu , Matsumoto Keigo

    石炭焚きボイラは1979年の第2次オイルショック以降燃料の多様化を図るために発電事業用及び産業用のボイラに広く使用されるようになった。将来を通して安定した供給が見込まれる石炭を燃料としたボイラはCO2排出量を低減するため,その性能の向上が求められるようになった。<BR>産業用ボイラにおいてはユーティリティとしてボイラから発生させた蒸気を使用する場合が多く,蒸気条件に依存しない燃焼排ガス …

    JAPAN TAPPI JOURNAL 68(6), 625-628, 2014

    J-STAGE CrossRef

  • 7

    Fundamental Study of Sn Removal from Hot Metal by NH3 Gas Blowing

    Sasaki Naotaka , Uchida Yu-ichi , Miki Yu-ji , Matsuno Hidetoshi

    … In the present study, Sn removal from high-S hot metal by NH3 gas blowing was investigated in laboratory experiments as a new method of Sn removal. … Within the ranges of these experiments, higher temperature and higher concentrations of S and N were advantageous for Sn removal. … In the estimation of Sn removal ratio in plant-scale operation, it could reach 40%. …

    ISIJ International 54(8), 1807-1812, 2014

    J-STAGE CrossRef

  • 8

    Fuel Savings from an Operating Condition Indicator on Agricultural Tractors

    TESHIMA Tsukasa , GOTOH Takashi , SUGIURA Yasuroh , TAKAHASHI Hiroyuki , SHIMIZU Kazufumi , SEKI Ei

    … In fundamental tests, we revealed that work power could be estimated based on measured values for engine speed and exhaust-gas temperature during the operation of an agricultural tractor. … This device employed five operating areas according to engine speed and work power and was designed to indicate changes in operating conditions (travel speed gear, PTO gear and engine speed) to ensure the tractor would operate within a region enabling high fuel efficiency and low exhaust-smoke density. …

    Japan Agricultural Research Quarterly: JARQ 48(3), 253-259, 2014

    J-STAGE CrossRef

  • 9

    Design, Fabrication, and Persistent Current Operation of the REBCO Floating Coil for the Plasma Experimental Device Mini-RT

    OGAWA Yuichi , MORIKAWA Junji , UCHIJIMA Kenichiro , HOSAKA Yuichiro , KAWAI Chika , IBANO Kenzo , MITO Toshiyuki , YANAGI Nagato , NATSUME Kyohhei , TERAZAKI Yoshiro , IWAKUMA Masataka , TOMIOKA Akira , NOSE Shinichi

    High-temperature superconductor technology has become remarkably advanced, and components such as current leads and magnets have been explored for their applicability to fusion. … Especially, REBa2Cu3O7-δ (RE = rare-earth: REBCO) tape has been developed in research fields other than fusion, because of superior performance of REBCO in high magnetic fields. …

    Plasma and Fusion Research 9(0), 1405014-1405014, 2014

    J-STAGE CrossRef

  • 10

    Japans First In-grid Demonstration of a High-Tc Superconducting Cable System  [in Japanese]

    Maruyama Osamu , Nakano Tetsutaro , Honjo Shoichi , Watanabe Michihiko , Ohya Masayoshi , Masuda Takato , Yaguchi Hiroharu , Nakamura Naoko , Machida Akito

    High-temperature superconducting (HTS) power cable has significant merits of compactness and large power transmission capacity. … The in-grid operation had continued for more than one year without any accidental interruption of the operation or troubles of the system. … It is concluded that the HTS cable system has good performance and stability for long term in-grid operation. …

    IEEJ Transactions on Power and Energy 134(8), 639-647, 2014

    J-STAGE CrossRef

  • 11

    Continuous Temperature Measurement of Liquid Iron and Slag Tapped from a Blast Furnace

    SUGIURA Masato , OTANI Yohei , NAKASHIMA Masato , OMOTO Nobuhisa

    Temperature measurements of liquid pig iron coming out of a blast furnace are essential for estimating the thermal condition in the hearth. … The temperature is generally monitored by a disposable thermocouple on a runner. … This paper proposes radiometric temperature measurement that targets an iron-slag-mixed stream in front of a taphole. … Liquid iron and slag are spatially separated on a thermal image obtained by a CCD camera with a high-speed electronic shutter. …

    SICE Journal of Control, Measurement, and System Integration 7(3), 147-151, 2014

    J-STAGE CrossRef

  • 12

    A High Output Resistance 1.2-V VDD Current Mirror with Deep Submicron Vertical MOSFETs

    TANOI Satoru , ENDOH Tetsuo

    … The keys are new bias circuits to reduce both the minimum VDD for the operation and the sensitivity of the output current on VDD. … In the simulation with 90nm φ vertical MOSFET approximate models, our circuit shows about 4MΩ output resistance at 1.2-V VDD with the small temperature dependence, which is about six times as large as that with planar MOSFETs. …

    IEICE Transactions on Electronics E97.C(5), 423-430, 2014

    J-STAGE CrossRef

  • 13

    Comparison of Nanoparticle Exposures Between Fumed and Sol-gel Nano-silica Manufacturing Facilities

    OH Sewan , KIM Boowook , KIM Hyunwook

    … Due to the high-temperature formation process, the particles exhibited a sintering coagulation. … In the SS packing process that includes a manual jet mill operation, the GM NC was calculated to be 72,000 particles/cm3 with an assumption of 1,000,000 particles/cm3 when the upper limit is exceeded (5% of total measure). …

    Industrial Health 52(3), 190-198, 2014

    J-STAGE CrossRef

  • 14

    Prediction of Next Day Solar Power Generation by Gray Theory and Neural Networks  [in Japanese]

    Yamada Fujihiro , Wazawa Yoshihiko , Kobayashi Kazuhiro , Miwa Yasushi , Kinno Tomoki , Yukita Kazuto , Goto Yasuyuki , Ichiyanagi Katsuhiro

    … However, despite the high expectations for renewable power generation technologies, it remains difficult to obtain stable power from such distributed sources, primarily because they depend on weather conditions and other variable factors. … In order to apply to the supply and demand stable operation, we report a case of developing a method for predicting solar power generation using the gray theory and a neural network. …

    IEEJ Transactions on Power and Energy 134(6), 494-500, 2014

    J-STAGE CrossRef

  • 15

    Influence of Operation Parameters on Dome Temperature of COREX Melter Gasifier

    Sun Jing , Wu Shengli , Kou Mingyin , Shen Wei , Du Kaiping

    … Statistical analysis and theoretical calculation have been carried out to study the parameters affecting dome temperature of COREX melter gasifier by using actual plant data. … The relationship between parameters and dome temperature has been realized qualitatively and quantitatively. … It is found that the dome temperature is influenced significantly by metallization, fuel rate, coal rate, coke rate, and oxygen volume. …

    ISIJ International 54(1), 43-48, 2014

    J-STAGE CrossRef

  • 16

    Practical Application of +/-250kV DC-XLPE Cable for Hokkaido-Honshu HVDC Link  [in Japanese]

    Watanabe Chizuo , Itou Yasuo , Sasaki Hidetaka , Murata Yoshinao , Suizu Makoto , Sakamaki Masatoshi , Watanabe Masaru , Katakai Shoshi

    … The test temperature was set at 90°C. … After the installation of the DC extruded cable system, a DC high voltage test at 362.5kV (=1.45PU) for 15 minutes was successfully completed in accordance with CIGRE TB 219. … This DC extruded cable system was put into operation in December 2012 as the world's highest voltage extruded DC cable in service and the world's first DC extruded cable for a LCC system including polarity reversal operation. …

    IEEJ Transactions on Power and Energy 134(1), 64-75, 2014

    J-STAGE CrossRef

  • 17

    High-peak-power terahertz-wave generation and sensitive detection using nonlinear optical wavelength-conversion  [in Japanese]

    南出 泰亜

    電子情報通信学会技術研究報告 = IEICE technical report : 信学技報 113(357), 63-68, 2013-12-16

  • 18

    Reactivity insertion transient analysis for KUR low-enriched uranium silicide fuel core

    Shen Xiuzhong , Nakajima Ken , Unesaki Hironobu , Mishima Kaichiro

    … The purpose of this study is to realize the full core conversion from the use of High Enriched Uranium (HEU) fuels to the use of Low Enriched Uranium (LEU) fuels in Kyoto University Research Reactor (KUR). … Although the EUREKA-2/RR code is a proven and trusted code, its validity was further confirmed by the comparison with the predictions from another two thermal hydraulic codes, COOLOD-N2 and THYDE-W at steady state operation. …

    Annals of Nuclear Energy 62, 195-207, 2013-12

    IR CrossRef

  • 19

    Highly-Efficient Technologies for A-USC Coal-Fired Thermal Power Plants(<Special Articles>RGB Joint Symposium-Recycle, Gasification and Biomass: Present Status of Technology for Using Wastes, Biomass and Coal, etc.)  [in Japanese]

    SAITO Eiji

    … The efficiency of the coal-fired thermal power rises by operation at the high pressure and temperature. … It succeeds in the development because new high strength ferrite steel was put to practical use in the boiler and the turbine. …

    Journal of the Japan Institute of Energy 92(11), 1095-1100, 2013-11-20

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  • 20

    Actual-Size Model Experiment for Optimal Air Conditioning System at Data Centers : Comparison of Airflow Distribution Between Different Airflow Designs  [in Japanese]

    TSUCHIYA Takashi , SUWA Yoshihide , OOKA Ryozo

    近年のインターネットやICT機器の普及にともない、データセンターの需要が増加している。情報を処理するサーバ機器の安定的な運用には、高効率かつロバストな空調システムが必要不可欠であり、空調気流方式の改善は有効な手段と考えられる。既往の研究の多くは、温度分布についての考察から気流方式を議論しているが、室内の温度分布を決定付ける最も大きな要因に空調気流性状がある。そこで本研究では、実大模型を用いて、床吹 …

    空気調和・衛生工学会論文集 (200), 19-26, 2013-11-05

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