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Partial Discharge Characteristics and Degradation Progress of Oil Impregnated Insulation System with an Oil Gap at the Electric Field Adopted in the Design of OF Cables at 275kV Class

Yuu Iwashita、Yuuta Makino、Takashi Kurihara 等 5 位作者2015-01-01IEEJ Transactions on Power and Energy

Partial discharge (PD) characteristics and degradation mechanism of an oil-impregnated insulation system with an oil gap at the electric field adopted in the design of OF cables at 275kV class were investigated. First, we investigated its time transition of PD characteristics under a continuous alternating current (AC…

High voltage insulation and dielectric phenomenaThermal Analysis in Power TransmissionEngineering Applied Research

Constitutive Equation of Bubbly Oil Considering Shear Rate and Temperature

Huarui Yang2015-01-01Journal of Mechanical Engineering

摘要: 针对目前关于气油两相流本构方程的研究仅限于极低剪切速率范围,且均没有考虑温度影响的现状,构建气油两相流的制备装置,提出基于图像分析的气油两相流含气率的测定方法,通过Physica MCR 101旋转式流变仪测试不同温度及含气率下较宽剪切速率范围内气油两相流的流变特性,考察剪切速率、温度及含气率对气油两相流流变特性的影响规律,给出适用于不同剪切速率及温度范围的CD15W/40润滑油气油两相流的黏度模型及本构方程。结果表明,在同一剪切速率下,气油两相流的剪切变稀性质随着温度的升高而减弱,随着含气率的增加而增强。气油两相流含气率对其黏度的影响与剪切速率有关,随着含气率的增加,气油两相流的黏度在较低剪切速率下增加,但在较高剪切速率…

Polymer crystallization and propertiesRheology and Fluid Dynamics StudiesPolymer Foaming and Composites

Evolutions of Nonlinear Acoustics and Microstructural Change during Creep in Gr. 122 Steel Welded Joint

Toshihiro OHTANI、Takumi Honma、Yutaka Ishii 等 6 位作者2015-01-01Journal of the Society of Materials Science Japan

ASME Grade 122 (11Cr-0.4Mo-2W-CuVNb) has been used for boiler components in ultra-supercritical (USC) thermal power plants at approximately 873 K. The creep life of the welded joints in this steel decreased as a result of Type IV creep damage that forms in the heat-affected zone (HAZ) under long-term use at high tempe…

Fatigue and fracture mechanicsUltrasonics and Acoustic Wave PropagationMaterial Properties and Failure Mechanisms

Development of certified reference materials of heat resisting nickel alloys for determination of detrimental impurities and rare earth elements by spectral methods

F. N. Karachevtsev2015-01-01Reference materials

Results of development and certification of reference materials of composition of heat resisting nickel alloy with the certified values of content of detrimental impurities (Zn, Cd, Pb, Tl, Bi, In, Ag, Sb, Ga, Ge, As, Se, Sn, Te, Mn, Cu), rare earth elements (Pr, Nd, Dy, Gd, Ho, Er, Nb, Sc, Y, La, Ce), and also other…

Material Properties and Applications

Magnetic iron oxide nanoparticles: preparation and hyperthermia applications

Thanaa I. Shalaby、Selim Yousef、Mostafa M. Mohamed 等 5 位作者2015-01-01International Journal of Nanoparticles

The magnetic hyperthermia is based on localised heating of tumour keeping the healthy cells out of harm. In the process, magnetic hyperthermia involves dispersing magnetic nanoparticles (MNPs) throughout the target tissue and then exposed to ultrasound and/or microwave energy to cause the particles to be heated up to…

Nanoparticle-Based Drug DeliveryUltrasound and Hyperthermia ApplicationsCharacterization and Applications of Magnetic Nanoparticles

A comparative study to evaluate the osteoblastic cell behavior of two nano coated titanium surfaces with NAFION stabilized the membrane

Sanjna Nayar、Sanket Chakraverty2015-01-01The Journal of Indian Prosthodontic Society

AIM: The aim of the study was to comparatively analyze the in vitro cell adhesion between nano coated titanium dioxide, and calcium hydroxyapatite (HA) coated titanium samples. MATERIALS AND METHODS: Nano coated titanium dioxide, and calcium HA were coated onto the titanium samples by drop casting with NAFION membrane…

Bone Tissue Engineering MaterialsPolymer Surface Interaction StudiesMarine Biology and Environmental Chemistry

Synthesis of SiOC(–H) Films by the Atmospheric Pressure Plasma Enhanced Chemical Vapor Deposition Method

Takanori Mori、Taiki Masuko、Akira Shirakura 等 4 位作者2015-01-01e-Journal of Surface Science and Nanotechnology

Synthesis of SiOC(–H) films outside generation regions using afterglow plasma under atmospheric pressure have been gaining attention because it allows deposition to complex configuration substrates with large area. We synthesized SiOC(–H) films at different oxygen gas flow rates and substrate temperatures by the atmos…

Metal and Thin Film MechanicsSemiconductor materials and devicesCopper Interconnects and Reliability

MODELING OF AGRI-FOOD PRODUCTS ON THE BASIS OF SOLID GEOMETRY WITH EXAMPLES IN AUTODESK 3DS MAX AND FINITE ELEMENT MESH GENERATION

Kinga Balcerzak、J. Weres、K. Górna 等 4 位作者2015-01-01Journal of Research and Applications in Agricultural Engineering

Summary In order to predict behavior of agri-food products subjected to drying, cooling and heating operations, adequate data on product geometry are required in mathematical models of heat and water transport. Sufficient knowledge about geometry of agri-food products is lacking due to the complexity of their shape. T…

Textile materials and evaluationsAgricultural Engineering and Mechanization

Development of MagSaki(Tri) Software for the Magnetic Analysis of Trinuclear High-spin Cobalt(II) Complexes

Hiroshi Sakiyama2015-01-01Journal of Computer Chemistry Japan -International Edition

MagSaki(Tri) software was developed for the purpose of analyzing the magnetic data of trinuclear octahedral high-spin cobalt(II) complexes. The software enables analyses for five types of trinuclear cobalt(II) structures, including equilateral triangle shapes, isosceles triangle shapes, and linear shapes, to obtain ma…

Metal complexes synthesis and propertiesMagnetism in coordination complexesLanthanide and Transition Metal Complexes

PENGUKURAN DOSIS RADIASI RUANGAN RADIOLOGI II RUMAH SAKIT GIGI DAN MULUT (RSGM) BAITURRAHMAH PADANG MENGGUNAKAN SURVEYMETER UNFORS-XI

Dira Rizki Martem、Dian Milvita、Helfi Yuliati 等 4 位作者2015-01-01OpenAlex

ABSTRAK Telah dilakukan pengukuran dosis radiasi di Ruangan Radiologi II Rumah Sakit Gigi dan Mulut (RSGM) Baiturrahmah Padang menggunakan Surveymeter Unfors-Xi . Pengukuran dosis radiasi dilakukan pada 10 titik pengukuran yang di tempatkan di dalam ruangan maupun di sekitar ruangan. Pengukuran dosis radiasi dilakukan…

Radioactivity and Radon MeasurementsRadiation Shielding Materials Analysis

Synthesis and characterization of ZnO:TiO2 nano composites thin films deposited on glass substrate by sol-gel spray coating technique

Heri Sutanto、Iis Nurhasanah、Eko Hidayanto 等 5 位作者2015-01-01AIP conference proceedings

In this work, (ZnO)x:(TiO2)1-x nano composites thin films, with x = 1, 0.75, 0.5, 0.25, and 0, have been prepared by sol–gel spray coating technique onto glass substrate. Pure TiO2 and ZnO thin films were synthesized from titanium isopropoxide-based and zinc acetate-based precursor solutions, respectively, whereas the…

TiO2 Photocatalysis and Solar CellsAdvanced Photocatalysis TechniquesZnO doping and properties

Variations in the Total Lipid Content and Biological Characteristics of Diatom Species for Potential Biodiesel Production

Fang Yu Zhao、Jun Rong Liang2015-01-01Journal of Fundamentals of Renewable Energy and Applications

The selection of suitable and indigenous species is a fundamental requirement in developing oil-rich microalgae for biodiesel production. So it is necessary to evaluate the growth characteristics and lipid content of the interested microalgae species and obtain a basic knowledge about their potential towards biodiesel…

Algal biology and biofuel productionDiatoms and Algae ResearchWater Quality Monitoring and Analysis

Microstructure and Mechanical Property of α+β Type Ti-(0~10)mass%V-(0.5~1)mass%O Alloys

Kyosuke Ueda、Tatsuya Kobayashi、Takayuki Narushima2015-01-01Journal of the Japan Institute of Metals and Materials

The microstructure and mechanical properties of the α+β type Ti-V-O alloys with high oxygen content were investigated. Ti-(0~10)mass%V-(0.5, 0.75, 1.0)mass%O alloy ingots were prepared using arc melting and hot rolling at 1373 K and 1073 K. The alloys were heat-treated at temperatures varying from 923 K to 1323 K for…

Intermetallics and Advanced Alloy PropertiesTitanium Alloys Microstructure and PropertiesAdvanced materials and composites

Investigation of the Surface Condition of an Electrode after Electropolishing under the Influence of Surface Acoustic Waves

Sabrina Tietze、Marina Reißenweber、Josefine Schlemmer 等 4 位作者2015-01-01Physics Procedia

The observation of acoustic enhancement ofthe anodiccurrentin an electropolishing experiment promises to be useful in acceleration of industrial electrochemical processes. Besides the process, however, the surface condition after the electropolishing is of importance as well. This investigation is focused onthe surfac…

Corrosion Behavior and InhibitionElectrodeposition and Electroless CoatingsMicrofluidic and Bio-sensing Technologies

Three-dimensional discrete ordinates reactor assembly calculations on GPUs

Thomas Evans、Wayne Joubert、Steven Hamilton 等 7 位作者2015-01-01OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)

In this paper we describe and demonstrate a discrete ordinates sweep algorithm on GPUs. This sweep algorithm is nested within a multilevel comunication-based decomposition based on energy. We demonstrated the effectiveness of this algorithm on detailed three-dimensional critical experiments and PWR lattice problems. F…

Parallel Computing and Optimization TechniquesNuclear reactor physics and engineeringGraphite, nuclear technology, radiation studies

Semantic organization of product lifecycle information through a modular ontology

Giulia Bruno2015-01-01PORTO Publications Open Repository TOrino (Politecnico di Torino)

It is known that one of the main reasons of the success of manufacturing enterprises is their ability to design and maintain a coherent structure to represent their knowledge, especially the small and medium sized enterprises (SMEs), which are not often organized to manage information efficiently. Several commercial P…

Semantic Web and OntologiesManufacturing Process and OptimizationMaterial Selection and Properties

PET based nanocomposite films for microwave packaging applications

Maria Rosaria Galdi、R. Olivieri、Loredana Liguori 等 6 位作者2015-01-01AIP conference proceedings

In recent years, changes in life standards have promoted the diffusion of Ready to Cook (RTC) and Ready to Eat (RTE) products for microwave ovens. However, the main limits in microwave (MW) ovens usage are often related to the proper choice of packaging materials suitable for such technology. In fact, packages for mic…

Meat and Animal Product QualityNanocomposite Films for Food Packagingbiodegradable polymer synthesis and properties

Development of Green Nickel-Based Zeolite Catalysts for Citronella Oil Conversion to Isopulegol

Silvester Tursiloadi、Akbar Litiaz、Ralentri Pertiwi 等 5 位作者2015-01-01Procedia Chemistry

Derivatization of citronellol, citronellal and geraniol into fine chemicals such as isopulegol, hydroxyl citronellal, menthol, geranial esters, esters citronellal and others will escalate the added value of citronella oil. Some products derived from essential oils are widely used for food and fuel additives, pharmaceu…

Catalytic Processes in Materials ScienceZeolite Catalysis and SynthesisCatalysis and Hydrodesulfurization Studies

Urea-SCR Temperature Investigation for NOx Control of Diesel Engine

Muhammad Asif、Youtong Zhang、Wei Lin2015-01-01MATEC Web of Conferences

SCR (selective catalytic reduction) system is continuously being analyzed by many researchers worldwide on various concerns due to the stringent nitrogen oxides (NOx) emissions legislation for heavy-duty diesel engines. Urea-SCR includes AdBlue as urea source, which subsequently decomposes to NH3 (ammonia) being the r…

Advanced Combustion Engine TechnologiesCatalytic Processes in Materials ScienceCatalysis and Oxidation Reactions

Thermal equation of state of lawsonite up to 10 GPa and 973 K

Nao Cai、Toru Inoue、Takumi Kikegawa2015-01-01Journal of Mineralogical and Petrological Sciences

Thermal equation of state (EoS) of synthetic lawsonite [CaAl2Si2O7(OH)2·H2O] has been established using in–situ X–ray diffraction methods under high pressure and high temperature. Sodium chloride NaCl was used as the pressure standard in the experiments. The unit–cell volumes were measured up to 10 GPa and 973 K after…

Geological and Geochemical AnalysisHigh-pressure geophysics and materialsCrystal Structures and Properties