Search Results:　 1-20 of 380

1

BS-5-4 Study on Air-side Free Cooling Technology to enhance Power Usage Effectiveness in Data Center [in Japanese]

Fujimoto Takayuki , Minamitani Rintaro , Takenami Toshihito

Proceedings of the Society Conference of IEICE 2011年_通信(2), "S-27"-"S-28", 2011-08-30

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2

Impact of Therapeutic Hypothermia in the Treatment of Patients With Out-of-Hospital Cardiac Arrest From the J-PULSE-HYPO Study Registry

YOKOYAMA Hiroyuki , NAGAO Ken , HASE Mamoru , TAHARA Yoshio , HAZUI Hiroshi , ARIMOTO Hideki , KASHIWASE Kazunori , SAWANO Hirotaka , YASUGA Yuji , KURODA Yasuhiro , KASAOKA Shunji , SHIRAI Shinichi , YONEMOTO Naohiro , NONOGI Hiroshi

… However, evidence of the effectiveness of therapeutic hypothermia (TH) remains unclear. … Methods and Results: A multicenter registry in Japan (J-PULSE-HYPO study registry) was conducted to investigate the effectiveness of TH for post-resuscitation neurological dysfunction developing after out-of-hospital cardiac arrest from 14 institutions, between January 2005 and December 2009. …

Circulation Journal 75(5), 1063-1070, 2011-04-25

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3

Safety Strategy of JSFR Eliminating Severe Recriticality Events and Establishing In-Vessel Retention in the Core Disruptive Accident

SATO Ikken , TOBITA Yoshiharu , KONISHI Kensuke , KAMIYAMA Kenji , TOYOOKA Jun-ichi , NAKAI Ryodai , KUBO Shigenobu , KOTAKE Shoji , KOYAMA Kazuya , VASSILIEV Yuri , VURIM Alexander , ZUEV Vladimir , KOLODESHNIKOV Alexander

… The effectiveness of these measures is evaluated based on existing experimental data and computer simulation with validated analytical tools. … Phenomenological consideration of general characteristics and preliminary evaluations for the long-term material relocation and cooling phases gave the perspective that in-vessel retention would be attained with appropriate design measures. …

Journal of Nuclear Science and Technology 48(4), 556-566, 2011-04-01

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4

Verification and rectification of the physical analogy of simulated annealing for the solution of the traveling salesman problem

Hasegawa M. , 長谷川学

… In the first experiment, a newly parameterized temperature schedule is introduced to simulate a quasistatic process along the scenario and a parametric study is conducted to investigate the optimization characteristics of this adaptive cooling. … These two experiments indicate that the effectiveness of finite-time SA comes not from equilibrium sampling at low temperature but from downward interbasin dynamics occurring before equilibrium. …

Physical review E 83(3), 036708-1, 2011-03

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5

Effects of inner structure of gas turbine blades on film cooling performance: evaluation of film cooling effectiveness [in Japanese]

酒井英司 , 高橋俊彦 , 安形友希子

電力中央研究所報告, 研究報告. M (10010), 1-23,巻頭1〜3, 2011-05
6

Effects of Soluble Ti and Zr Content and Austenite Grain Size on Microstructure of the Simulated Heat Affected Zone in Fe–C–Mn–Si Alloy

Karasev Andrey Vladimirovich , Suito Hideaki , Jönsson Pär Göran

… This was done as a function of the austenite grain size as well as the number and size of TiN, Ti2O3, MgO(+Ti2O3), TiN(+MgO) and ZrO2(+Ti2O3) particles under different peak temperature (1300 and 1400°C), peak holding time (0, 60 and 600 s) and a constant time of cooling (70 s) from 800 to 500°C. … The effectiveness of inclusion phases for intragranular ferrite (IGF) formation was studied from the area fraction of IGF for a given austenite grain size and soluble Ti content. …

ISIJ International 51(9), 1524-1533, 2011

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7

H223 A Study on a Cooling Hole Model for LES of Film Cooling with Multiple Holes [in Japanese]

Oda Yutaka , Takeishi Kenichiro , Uchibori Masataka

… For the Large Eddy Simulation (LES) of film cooling flows with multiple coolant jets, a film-hole model based on a RFG (Random Flow Generation) technique was proposed to simulate turbulent fluctuating flows at the exit plane of film cooling hole as a boundary model. … The proposed film-hole model for LES was validated by the comparison of predicted center-line film effectiveness with a known experimental result. …

Procee[d]ings of Thermal Engineering Conference 2010, 389-390, 2010-10-29

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8

H222 Numerical study on film cooling for gas turbines by Large Eddy Simulation [in Japanese]

Fujimoto Shu

… Turbine vanes and blades exposed to hot gas must be cooled, therefore film cooling is widely applied to the recent gas turbines because of its high cooling effectiveness. … However the prediction methodology of the film cooling effectiveness has not been established well until now. …

Procee[d]ings of Thermal Engineering Conference 2010, 387-388, 2010-10-29

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9

1029 Study on the Residual Stress Improvement Method for Small Diameter Pipe (1) : Experimental Survey of the Residual Stress Improvement [in Japanese]

AOIKE Satoru , TSURUKI Masaki , OOKIDO Shinobu , FUKUDA Yuka , ORITANI Naohiko , NAKANE Kazuki , WANG Yun

… In this method, butt-welding region is quenched by cooling water after heated in air. … In this study, we confirmed the effectiveness of this method by measuring residual stress at the inner surface of butt-welding region of small diameter piping after applying this method. …

M&M材料力学カンファレンス 2010, 1255-1257, 2010-10-09

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10

Supercooling and Solidification Behavior of Phase Change Material

WEI LinLin , OHSASA Kenichi

… Three changes due to phase transformation were observed in the cooling curve of the SAT. First change corresponds to the precipitation of sodium acetate (CH3COONa), and second change is the recalescence due to the solidification of supercooled SAT. It was considered that third change corresponds to the solid state transformation of SAT. From the maximum degree of the supercooling of SAT, the solid/liquid interfacial energy of SAT was evaluated as 5.56×10−2 J/m2. …

ISIJ International 50(9), 1265-1269, 2010-09-15

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11

Numerical simulation of film cooling with swirling coolant air [in Japanese]

SHIMIZU Dai , TAKEISHI Kenichiro , ODA Yutaka , EGAWA Yuta

… The film cooling is known as an effective cooling method for high heat load parts of gas turbines such as airfoils or endwall of the first stage blades and vanes. … In recent experimental studies, it is shown that the film cooling effectiveness on the wall can be improved by adding some swirl to coolant air without the growth of coolant flow rate. …

Proceedings, ... meeting of Japan Society of Fluid Mechanics 2010, 272, 2010-09-09

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12

J0501-1-4 Numerical Simulation of Film Cooling Flows with a Cooling Hole Model Based on Random Fourier Modes [in Japanese]

UCHIBORI Masataka , ODA Yutaka , TAKEISHI Kenichiro

… But it is unrealistic to apply this technique to the LES of realistic cascade flows with multiple film cooling holes. … The predicted time-mean film cooling effectiveness is compared with experimental data. …

年次大会講演論文集 : JSME annual meeting 2010(7), 7-8, 2010-09-04

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13

41705 Effectiveness of CGS Air-conditioning System having TES Tank : Energy Efficient Operation of Thermal Storaging [in Japanese]

ARIMORI Teruki , SAGARA Kazunobu , YAMANAKA Toshio , KOTANI Hisashi , MOMOI Yoshihisa

Summaries of technical papers of Annual Meeting Architectural Institute of Japan. D-2, Environmental engineering II, Heat, moisture, thermal comfort, natural energy, air flow, ventilation, smoke exhaustion, computational fluid dynamics, indoor air quality heating, cooling and air-conditioning heat and cold sources, piping systems application of building services 2010, 1435-1436, 2010-07-20

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14

41531 Task Ambient KOOL System with Ceiling Radiation Membrane (Part 1) : Effectiveness Forecast based on CFD Analysis and Human Thermoregulation Model JOS [in Japanese]

WADA Kazuki , 川口玄 , 田辺新一 , 西原直枝 , 羽田正沖 , 粕谷敦 , 樋口祥明 , 高橋幹雄

Summaries of technical papers of Annual Meeting Architectural Institute of Japan. D-2, Environmental engineering II, Heat, moisture, thermal comfort, natural energy, air flow, ventilation, smoke exhaustion, computational fluid dynamics, indoor air quality heating, cooling and air-conditioning heat and cold sources, piping systems application of building services 2010, 1077-1078, 2010-07-20

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15

41418 Evaluation of the Germicidal Efficacy of UVGI system (Part 9) : Measurement of Disinfection Effectiveness by ID-UVGI system in a Hospital [in Japanese]

ASAI Marina , 成旻起 , 加藤信介 , 井田寛 , 佐藤昌之 , 金鐘訓 , 柳宇

Summaries of technical papers of Annual Meeting Architectural Institute of Japan. D-2, Environmental engineering II, Heat, moisture, thermal comfort, natural energy, air flow, ventilation, smoke exhaustion, computational fluid dynamics, indoor air quality heating, cooling and air-conditioning heat and cold sources, piping systems application of building services 2010, 851-852, 2010-07-20

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16

41035 Case Study of the Effectiveness in Securing Ventilation of Using : Reed Screens in Ordinary Houses [in Japanese]

MIZUNO Aki

Summaries of technical papers of Annual Meeting Architectural Institute of Japan. D-2, Environmental engineering II, Heat, moisture, thermal comfort, natural energy, air flow, ventilation, smoke exhaustion, computational fluid dynamics, indoor air quality heating, cooling and air-conditioning heat and cold sources, piping systems application of building services 2010, 69-70, 2010-07-20

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17

218 Experimental Study on Gasification of Pyrolysis Carbide derived from Biomass etc. [in Japanese]

FUJITA Masato , MIYACHI Ken , SUGIMOTO Tomio , KOBAYASHI Nobusuke , ITAYA Yoshinori

… We report the effectiveness of an efficient gas cooling by the endothermic gasification reaction of the pyrolysis carbide and the high temperature flue gas in the latter part gasification furnace, which is confirmed with the bench scale experimental device. …

Symposium on Environmental Engineering 2010(20), 139-142, 2010-06-26

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18

E108 Effect of Cooling Hole Geometry on the Leading Edge Film Cooling of High Pressure Turbine Blades [in Japanese]

FUNAZAKI Ken-ichi , YAMACHI Naota , KAWABATA Hirokazu , OKITA Yoji

… This paper deals with the experimental and numerical studies of aero-thermal characteristics of film cooling for turbine blade leading edge having three differently hole geometries. … Transient techniques using thermochromic liquid crystal is used to measure film effectiveness and heat transfer coefficient. … In addition, Detailed investigation of film cooling for leading edge is carried out using CFD simulations. …

National Symposium on Power and Energy Systems 2010(15), 185-188, 2010-06-20

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19

Development of Method for Remaining Life Assessment of Oil-Immersed Transformer [in Japanese]

MATSUI Tetsuro , NAKAHARA Yasuo , NISHIYAMA Kazuo , URABE Noboru , ITOH Masayoshi

… In the proposed method, not only furfural but also oil temperature, operational status, cooling type, etc., are considered. … The effectiveness of the proposed method is shown by numerical simulation using actual measured data. …

IEEJ Transactions on Industry Applications 130(4), 415-421, 2010-04-01

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20

Cooling and Denudation History of the Rokko Area, Southwest Japan, Based on Fission-track Thermochronology

SUEOKA Shigeru , TAGAMI Takahiro , TSUTSUMI Hiroyuki , HASEBE Noriko , TAMURA Akihiro , ARAI Shoji , YAMADA Ryuji , MATSUDA Tatsuo , OMURA Kentaro

… Thus, the effectiveness of thermochronometric methods for estimating denudation rates in island arc areas has not been demonstrated. …

Chigaku Zasshi (Jounal of Geography) 119(1), 84-101, 2010

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