Search Results 1-20 of 981

  • Hot Spot Monitoring Using Thermal Imaging Camera "CPA-L series"  [in Japanese]

    小野寺 雄大

    計測技術 48(4), 15-19, 2020-03

  • An Evaluation Method for Hydrogen Embrittlement of High Strength Steel Sheets Using U-bend Specimens

    Shibayama Yuki , Hojo Tomohiko , Akiyama Eiji

    … The hydrogen charging current density was increased in step-wise manner until cracking was observed, and cracking was detected by optical observation and by monitoring voltage between the sample and a counter electrode. … The critical hydrogen contents for specimens with varied applied stress were obtained by means of thermal desorption spectroscopy. …

    ISIJ International, 2020

    J-STAGE 

  • Preliminary Study on Influence of Cultural Activities during Vietnamese New Year Holidays on PM<sub>2.5</sub>-Bound Polycyclic Aromatic Hydrocarbons (PAHs)  [in Japanese]

    OANH Pham KIM , ITANO Yasuyuki , HIEN To Thi , FUJII Yusuke , TAKENAKA Norimichi

    … The study evaluated the possibility of using tape from air monitoring station for polycyclic aromatic hydrocarbons (PAHs) data. … Thermal desorption/gas chromatography-mass spectrometry (TD/GC-MS) was utilized to analyze 12 PAHs in PM<sub>2.5</sub> … The results showed that the PAH data can be acquired from air monitoring tape, and the estimated total PAHs can be assessed. …

    Earozoru Kenkyu 35(2), 118-128, 2020

    J-STAGE 

  • Special Issue on Machine Accuracy Evaluation

    Ibaraki Soichi , Archenti Andreas

    … Long-term accuracy monitoring and management are clearly among the most crucial technical challenges faced regarding machine tools, and the work by Xing et al. … presented machining tests to evaluate the thermal distortion of a machine tool. …

    International Journal of Automation Technology 14(3), 359-359, 2020

    J-STAGE 

  • An Anesthesia Case of a Patient with Congenital Insensitivity to Pain with Anhidrosis  [in Japanese]

    ICHIDA Noriko , HIRANUMA Katsuhiro , TAKAHASHI Kiko , KAWAUCHI Aki , OHARA Sayaka , IIJIMA Takehiko

    … <p>  Congenital indolent anhidrosis is an autosomal recessive disorder categorized as a hereditary sensory and autonomic neuropathy (HSAN), the symptoms of which include a loss of thermal and pain perception throughout the body, sweating disorders, decreased autonomic function, and mental retardation. … To avoid awareness and profound circulatory suppression, BIS monitoring was considered to be useful for titrating the anesthesia. …

    Journal of Japanese Dental Society of Anesthesiology 48(2), 54-56, 2020

    J-STAGE 

  • Damage evolution of TBC by rapid thermal cycling test based on a laser irradiation  [in Japanese]

    HAYASHI Yusuke , SUZUKI Kento , ARAI Masayuki , ITO Kiyohiro , HIGUCHI Tsuyoshi , SUIDZU Tatsuo

    … <p>Thermal barrier coating (TBC) is deposited onto the surface of gas turbine blade in order to prevent from a high-temperature combustion gas flow. … In this study, the rapid thermal cycling device based on a laser irradiation was developed. … It was then investigated how those damages progress in TC subjected to rapid thermal cyclic loading based on the cross-sectional observation and the monitoring of acoustic emission (AE). …

    Transactions of the JSME (in Japanese) 86(883), 19-00426-19-00426, 2020

    J-STAGE 

  • Special Issue on Advanced Material Driven Design of Machine Tools

    Wegener Konrad , Matsubara Atsushi

    … Digital technologies finally creating a digital shadow of the machine in development also enable the required co-development taking into consideration dynamic, thermal and long term influences and behavior, enabling state and health monitoring to increase the performance of the machine tool to the maximum possible. … Today requirements of dynamics and thermal behavior change the scene again. …

    International Journal of Automation Technology 14(2), 261-263, 2020

    J-STAGE 

  • <b>Monitoring and Protection Method of a REBCO Magnet Designed for Electromagnetic Vibration Tests</b>

    MIZUNO Katsutoshi , TANAKA Minoru , OGATA Masafumi

    … Since electromagnetic vibration tests usually take several weeks to complete, a monitoring and protection system for the REBCO magnet is required. …

    Quarterly Report of RTRI 61(1), 60-65, 2020

    J-STAGE 

  • Electric Circuit Model and Thermo-Hue Hemodynamic Analysis for Non-Contact Blood Pressure Measurement

    Kato Yu , Nagumo Kent , Bando Shizuka , Oiwa Kosuke , Nozawa Akio

    … <p>Hypertension is a main factor of lifestyle diseases, and monitoring daily blood pressure (BP) could help prevent these diseases. …

    IEEJ Transactions on Electronics, Information and Systems 140(1), 122-123, 2020

    J-STAGE 

  • In situ monitoring to visualize temperature distribution in molten silicon region formed under atmospheric pressure thermal plasma jet irradiation

    Mizukawa Yuri , Kameda Asaki , Hanafusa Hiroaki , Higashi Seiichiro

    Applied Physics Express 13(1), 015507-015507, 2019-12-03

    DOI 

  • Vibration Sensing Technology for Rotating Equipment Utility Infrastructure Core Monitoring System  [in Japanese]

    柴田 克彦 , 清水 昭浩 , 陶 昇 , 武井 亮平 , 伊藤 寿浩

    高砂熱学工業技術研究所報 = Report of Research & Development Center of Takasago Thermal Engineering Co., Ltd (33), 15-20, 2019

  • FACTOR ANALYSIS ON RIVER TEMPERATURE FORMATION IN MID- AND DOWN- STREAMS OF AN URBAN RIVER BASIN  [in Japanese]

    西俣 淳一 , 宮本 仁志

    水工学論文集 Annual journal of Hydraulic Engineering, JSCE 64, I_373-378, 2019

  • Study on damage evolution of TBC by rapid thermal cycling test based on a laser irradiation  [in Japanese]

    HAYASHI Yusuke , SUZUKI Kento , ARAI Masayuki , ITOH Kiyohiro , HIGUCHI Tsuyoshi , SUZUKI Yuka , SUIDZU Tatsuo

    … <p>Thermal barrier coating (TBC) is deposited onto the surface of gas turbine blade in order to prevent from a high-temperature combustion gas flow. … In this study, the rapid thermal cycling device based on a laser irradiation was developed. … It was then investigated how the damage progresses in ceramic coating subjected to rapid thermal cyclic loading based on the monitoring of acoustic emission (AE). …

    The Proceedings of the Materials and Mechanics Conference 2019(0), OS0307, 2019

    J-STAGE 

  • Non Destructive Inspection Technology for Thermal Power Plants  [in Japanese]

    URATA Mikiyasu , AOKI Kiyotaka , URATA Naoya

    … In boiler facilities for thermal power plants, various types of damage may occur from rapid load change or as a result of the operation mode. … In this article, the outlines of the following developed inspection technologies and the future prospects are described: thickness measuring technique by Cable-less inner UT, corrosion thinning part inspection technique using tube-inserted ECT, and thickness monitoring technique using thin film UT. …

    The Proceedings of the National Symposium on Power and Energy Systems 2019.24(0), D222, 2019

    J-STAGE 

  • EFFECT OF SUPPRESSION POOL CONDITIONS ON RISING BUBBLE PARAMETERS DURING WETWELL VENTING

    Zablackaite Giedre , Nagasaka Hideo , Takahashi Hideharu , Kikura Hiroshige

    … One of the important factors became the containment thermal hydraulics and aerosol transport. … However, the monitoring post radiation measurements showed that it was not the case. … Thermal stratification and depressurization may influence steam and non-condensable gas carrying FPs bubble hydrodynamics while bubbles are rising through the pool. …

    The Proceedings of the International Conference on Nuclear Engineering (ICONE) 2019.27(0), 2300, 2019

    J-STAGE 

  • DEVELOPMENT OF DISTRIBUTED PERFORMANCE MONITORING AND ANALYSIS SYSTEM FOR NUCLEAR POWER PLANT.

    Liu Jie , Peng Minjun , Wang Hang , Gong Meijie

    … Performance monitoring and analysis system monitors the performance of the nuclear power plant (NPP), locates the cause of performance degradation, guides maintenance and operation. … In this paper, a distributed performance monitoring and analysis system for nuclear power plant is developed based on C#. … The method of distribution is used to model the thermal system of PWR. …

    The Proceedings of the International Conference on Nuclear Engineering (ICONE) 2019.27(0), 1511, 2019

    J-STAGE 

  • FAULT EARLY WARNING METHOD OF NUCLEAR POWER SYSTEM CONDENSER FOR ICEBREAKERS BASED ON NORMAL MODE EXTRACTION

    Xianling LI , Zhiqiang QIU , Zhaoxu CHEN , Mo TAO , Xingshuo LI , Jinfu LIU

    … The traditional monitoring method of condenser tube wall cleanliness relying on terminal difference, thermal resistance and heat transfer coefficient is difficult to realize the fault early sensitive detection of condenser because of the influence of environmental and working conditions. …

    The Proceedings of the International Conference on Nuclear Engineering (ICONE) 2019.27(0), 1484, 2019

    J-STAGE 

  • RESEARCH ON FAULT DETECTION AND DIAGNOSIS METHOD FOR NUCLEAR POWER PLANTS BASED ON DISTRIBUTED STRATEGY

    Xu Renyi , Peng Minjun , Wang Hang , Liu Yongkuo , Liu Jie

    … Combined with the idea of distributed, the method of fault detection for NPPs based on thermal hydraulic simulation model is studied, and a distributed detection model based on mechanism simulation is established according to the actual measurement points in NPPs. … So as to realize the on-line monitoring of nuclear power plants. …

    The Proceedings of the International Conference on Nuclear Engineering (ICONE) 2019.27(0), 1458, 2019

    J-STAGE 

  • A FIBER OPTIC RADIATION DOSE RATE MONITOR WHICH MEASURES ATMOSPHERIC TEMPERATURE AT THE SAME TIME BY MEASURING A PLANCK RADIATION

    Sasaki Keisuke , Tadokoro Takahiro , Hatakeyama Shuichi , Shibutani Tooru , Itou Takahiro

    … On the other hand, thermal drift was occurred in the measurement of the 10<sup>-2</sup> … To reduce the influence of thermal drift, some counter measures are examined. …

    The Proceedings of the International Conference on Nuclear Engineering (ICONE) 2019.27(0), 1500, 2019

    J-STAGE 

  • THE RESEARCH OF CORE ON-LINE MONITORING TECHNOLOGY BASED ON SIMULATION MODEL

    Xu Yang , Jin-rong Qiu , Yong-qiang Yang , Xiao-fan Hou , Min-jun Peng , Jie Liu- , Long-ze Li

    … On-line monitoring technology is researched by taking Qin-Shan nuclear power plant as the research object in this paper. … The reactor thermal-hydraulic is simulated by THEARE which is one-dimensional thermal-hydraulic model, the reactor physics is simulated by REMARK which is three dimension space time Neutron Kinetics model, REMARK and THEARE are coupled on SimExec simulation platform to accomplish the feedback calculation of reactor thermal hydraulic and reactor physics. …

    The Proceedings of the International Conference on Nuclear Engineering (ICONE) 2019.27(0), 1111, 2019

    J-STAGE 

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