1–50 von 259 Ergebnissen
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    Re-examining the influence of chloride ions on electrochemical CO2 corrosion of pipeline steels—corrosion of the heat-affected zones (HAZs) of API-X100 steel

    Eliyan, Faysal Fayez / Alfantazi, Akram | Tema Archiv | 2015
    This research investigates the corrosion characteristics of simulated heat-affected zones (HAZs) of API X-100 pipeline steels in ...

    Polymer composites and blends for battery separators: State of the art, challenges and future trends

    Nunes-Pereira, J. / Costa, C.M. / Lanceros-Mendez, Senentxu | Tema Archiv | 2015
    characteristics of these polymer composites and blends for battery separator membrane applications. This review is divided into two sections regarding the ...

    Performance analysis results of a battery fuel gauge algorithm at multiple temperatures

    Balasingam, B. / Avvari, G.V. / Pattipati, K.R. et al. | Tema Archiv | 2015
    (PF), and capacity fade (CF) with respect to the chemical composition of the battery. The existing literature is largely focused on developing ...

    Identifying trends in battery technologies with regard to electric mobility: evidence from patenting activities along and across the battery value chain

    Golembiewski, Birte / vom Stein, Nicole / Sick, Nathalie et al. | Tema Archiv | 2015
    technologies for electric vehicles which are reflecting the interface of the automotive, chemical and electronics sector. The present study applies ...

    Non-spherical osmotic motor: chemical sailing

    Shklyaev, Sergey / Brady, John F. / Cordova-Figueroa, Ubaldo M. | Tema Archiv | 2014
    able to move even with uniform chemical activity on its surface. For small departures from a sphere the velocity of self-propulsion is ...

    Modified clay minerals efficiency against chemical and biological warfare agents for civil human protection

    Placha, Daniela / Rosenbergova, Katerina / Slabotinsky, Jiri et al. | Tema Archiv | 2014
    chemical indication and gas chromatography methods. The antibacterial activities of synthetized organoclays were tested against selected Gram ...

    Development and validation of a slurry model for chemical hydrogen storage in fuel cell vehicle applications

    Brooks, Kriston P. / Pires, Richard P. / Simmons, Kevin L. | Tema Archiv | 2014
    performance and suitability of slurry-based chemical hydrogen storage materials. The storage systems of both a representative exothermic system based ...

    Numerical simulation of the effects of vaporization on the motion of PIG during pigging process

    Deng, Tao / Gong, Jing / Zhou, Jun et al. | Tema Archiv | 2014
    During the course of pigging after water pressure test, when pressure drops to vapor pressure, localized vaporization always occurs at ...

    Application of a capacitance sensor for monitoring water lubricated pipeline flows

    Rushd, Sayeed / Sanders, R.Sean | Tema Archiv | 2014
    lubricated by an enveloping water annulus. A major technical challenge for LPF is the flow instability caused by a fouling layer of viscous oil on ...

    Multi-criteria evaluation of hydrogen storage systems for automobiles in Korea using the fuzzy analytic hierarchy process

    Gim, Bongjin / Kim, Jong-Wook | Tema Archiv | 2014
    hydrogen, liquefied hydrogen, metal hydride and chemical hydride. The selected criteria used in the evaluation of five hydrogen storage systems are ...
    Schlagwörter: chemical hydride

    Analysis of wear debris in rolling contact fatigue cracks of pearlitic railway wheels

    Cvetkovski, K. / Ahlström, J. / Norell, M. et al. | Tema Archiv | 2014
    concentration of oxygen was measured in between flakes, indicating the presence of oxides and flakes being of similar chemical composition as the base ...

    Effects of polarity on the friction and wear of collector shoes deployed in a metro traction system

    Dong, Lin / Zhong, Wen / Chen, Guang Xiong et al. | Tema Archiv | 2014
    coefficient, temperature rise and wear volume loss of the friction pair are measured. The chemical constituents of worn surfaces are investigated ...

    Numerical and experimental study on thermal shock damage of CVD ZnS infrared window material

    Liu, Yuanchun / He, Yurong / Yuan, Zigui et al. | Tema Archiv | 2014
    infrared window. The purpose of this paper is to investigate the thermal shock damage of chemical vapor deposition zinc sulfide (CVD ZnS) infrared ...

    Applying a Smart Technique for Accurate Determination of Flowing Oil-Water Pressure Gradient in Horizontal Pipelines

    Fazavi, Mohammad / Hosseini, Seyyed Mohsen / Arabloo, Milad et al. | Tema Archiv | 2014
    Two-phase flow of liquids in pipelines is crucial subject in many industries such as chemical and petroleum. Accurate prediction of ...

    An analytical and experimental study of a hybrid rocket motor

    Rezaei, Hadi / Soltani, Mohammad Reza | Tema Archiv | 2014
    The hybrid rocket motor is a kind of chemical propulsion system that has been recently given serious attention by various industries and ...

    Rail car fleet design: Optimization of structure and size

    Klosterhalfen, S.T. / Kallrath, J. / Fischer, G. | Tema Archiv | 2014
    We develop a model to determine the optimal structure and size of a rail car fleet at a chemical company under uncertainty in demand and ...

    Off-grid test results of a solar-powered hydrogen refuelling station for fuel cell powered Unmanned Aerial Vehicles

    Troncoso, E. / Lapena-Rey, N. / Valero, O. | Tema Archiv | 2014
    friendlier and low noise operation. Most FC-based UAVs tested to date rely on compressed gas cylinders delivered to the point of use and used to ...

    Thrust control of tethered satellite with a short constant tether in orbital maneuvering

    Zhao, Guowei / Sun, Liang / Huang, Hai | Tema Archiv | 2014
    Tethered satellite with chemical propulsion has broad application prospects in the space debris removal, the orbital transfer of space ...

    A review of flaws and damage in space launch vehicles: Motors and engines

    Park, Gyuhae / Lee, Jung-Ryul / Park, Chan-Yik et al. | Tema Archiv | 2014
    , strong erosion, and high-density energy release. Mechanical and chemical complexity, long service lives, aging materials, and designs with small ...

    Hybrid Carbon-Carbon Ablative Composites for Thermal Protection in Aerospace

    Sanoj, P. / Kandasubramanian, Balasubramanian / Shen, Hui-Shen | Tema Archiv | 2014
    application of composite materials for high temperature zones in aerospace applications has resulted in extensive exploration of cost effective ...

    Sustainable manufacturing-greening processes using specific Lean Production tools: an empirical observation from European motorcycle component manufacturers

    Chiarini, Andrea | Tema Archiv | 2014
    emissions of dusts and chemical fumes into the atmosphere. By contrast, no significant improvement in environmental impacts was measured after ...

    Perspective on hydrogen energy carrier and its automotive applications

    Cipriani, Giovanni / Di Dio, Vincenzo / Genduso, Fabio et al. | Tema Archiv | 2014
    considered both from technical and economical point of views. In particular, differences between physical and chemical storage are here considered ...

    Advanced reactor concept for complex hydrides: Hydrogen desorption at fuel cell relevant boundary conditions

    Bürger, I. / Luetto, C. / Linder, M. | Tema Archiv | 2014
    capacities. As hydrogen is bonded by a chemical reaction to the solid state storage material, it is just released when heat is provided. In an ...

    Cobalt-base alloy gun barrel study

    de Rosset, William S. / Montgomery, Jonathan S. | Tema Archiv | 2014
    candidate for use as a gun liner. An unusual wear pattern resulting from this loss was observed near the muzzle. Elimination of chemical and thermal ...

    Influence of chemical composition of microalloyed steel and cooling rate of HAZ metal of pipe welded joints on its structure and impact toughness

    Rybakov, A.A. / Filipchuk, T.N. / Kostin, V.A. et al. | Tema Archiv | 2013
    effect of chemical composition of microalloyed steel and cooling rate of HAZ metal of pipe welded joints on its structure-and-phase state and ...

    Review of hydrogen storage techniques for on board vehicle applications

    Durbin, D.J. / Malardier-Jugroot, C. | Tema Archiv | 2013
    storage. Mechanical compression as well as storage in chemical hydrides and absorption to carbon substrates has been investigated. An overview of ...

    Research status of active cooling of endothermic hydrocarbon fueled scramjet engine

    Ning, Wang / Yu, Pan / Jin, Zhou | Tema Archiv | 2013
    are put forward. The total heat sink of endothermic hydrocarbon fuel is found to be sufficient for scramjet cooling as the additional chemical ...

    Defects of joints of high-strength rails produced using flash-butt welding

    Kuchuk-Yatsenko, S.I. / Shvets, V.I. / Didkovsky, A.V. et al. | Tema Archiv | 2013
    chemical heterogeneity of the fracture surface was performed using Auger-microprobe JAMP 9500F of the JEOL company (Japan). The defects formed as a ...

    Removal of tributyltin from shipyard process wastewater by fly ash, activated carbon and fly ash/activated carbon composite: adsorption models and kinetics

    Ayanda, Olushola S. / Fatoki, Olalekan S. / Adekola, Folahan A. et al. | Tema Archiv | 2013
    BACKGROUND: The removal of tributyltin (TBT) from shipyard process wastewater using fly ash, activated carbon and fly ash/activated carbon ...

    Volcanic Ash-Induced Decomposition of EB-PVD Gd2Zr2O7 Thermal Barrier Coatings to Gd-Oxyapatite, Zircon, and Gd, Fe-Zirconolite

    Mechnich, Peter / Braue, Wolfgang / Green, D.J. | Tema Archiv | 2013
    . However, first-generation Gd-oxyapatite and Gd-FSZ are exhibiting chemical evolution in the long term. The chemical composition of Gd-oxyapatite ...

    Effect of humidity, temperature and railhead contamination on the performance of friction modifiers: Pin-on-disk study

    Lewis, Stephen R. / Lewis, Roger / Olofsson, Ulf et al. | Tema Archiv | 2013
    emission spectroscopy analysis was also carried out to assess the effect of the friction modifier and atmospheric conditions on the chemical ...

    Development of high strength steel HSAPH 620 grade for automotive structure

    Amrullah, Lutfi / Wijaya, Bimakarsa | Tema Archiv | 2013
    development of its technology which increase continually especially for under body component which requires high strength, good toughness, and also ...

    Optimal control of the transient emissions and the fuel efficiency of a diesel hybrid electric vehicle

    Wang, Yu / Zhang, Hu / Sun, Zongxuan | Tema Archiv | 2013
    and chemical nature of the engine combustion process, and the dynamic interactions between the engine and the alternative power source, it is ...

    Cracks in welded joints of large diameter pipes and measures for their prevention

    Rybakov, A.A. / Filipchuk, T.N. / Goncharenko, L.V. | Tema Archiv | 2013
    of welded edges of pipe in process of assembly, incorrect selection of consumables (welding wire, flux), local change of weld metal chemical ...

    Natural gas hydrate as a potential energy resource: From occurrence to production

    Seol, Jiwoong / Lee, Huen | Tema Archiv | 2013
    review the geological and chemical surroundings of the shallow hydrate deposits, the so-called brine patch discovered in the Cascadia Margin and ...

    A new rotary tribometer to study the wear of reinforced rubber materials

    Mane, Z. / Loubet, J.L. / Guerret, C. et al. | Tema Archiv | 2013
    A rotary tribometer has been developed in order to reproduce abrasion wear at the interface between the reinforced rubber material of a ...

    Experimental analysis and wear modeling for mechanical components of a typical rail launcher

    Akkök, Metin / Acar, Bülent / Acmaz, Emre | Tema Archiv | 2013
    One of the most important design considerations for rocket launchers is its maintainability and one of the most important parameter which ...

    An improved method for applying the Lockhart-Martinelli correlation to three-phase gas-llquid-solid horizontal pipeline flows

    Rahman, M.A. / Adane, K. Freeman / Sanders, R. Sean | Tema Archiv | 2013
    Three-phase (C/L/S) horizontal pipe flow data collected from the literature are used to evaluate the performance of a number of ...

    Experimental study on premixed hydrogen/air and hydrogen–methane/air mixtures explosion in 90 degree bend pipeline

    Emami, Sina Davazdah / Rajabi, Meisam / Che Hassan, Che Rosmani et al. | Tema Archiv | 2013
    Nowadays, hydrogen is being utilized massively in industries as a clean fuel. Displacing of hydrogen due to unique chemical and physical ...

    Tribochemistry on clutch friction material lubricated by automatic transmission fluids and the link to frictional performance

    Zhao, Hongyuan / Morina, Ardian / Neville, Anne et al. | Tema Archiv | 2013
    proposed pathways of additive decompositions by using chemical bond dissociation energy comparisons. ...

    Decision making for produced water management: an integrated multi-criteria approach

    Mofarrah, Abdullah / Husain, Tahir / Hawboldt, Kelly | Tema Archiv | 2013
    Developments of effective produced water (PW) management strategies pose a challenge to the offshore petroleum industry. In this study ...

    Tyres: destination end

    Ramirez-Hernandez, Aurelio / Conde-Acevedo, Jorge | Tema Archiv | 2013
    effectively proposed. Between the proposed methods, those that are highlighted are thermal degradation, chemical degradation, recycling and usage of ...

    Experimental investigation in a Wells turbine under bi-directional flow

    Paderi, Maurizio / Puddu, Pierpaolo | Tema Archiv | 2013
    is presented. / The experimental set-up of the Department of Mechanical, Chemical and Materials Engineering of the University of Cagliari ...

    Lightweight material structures based on FRP

    Tema Archiv | 2013
    . This increases costs and is bad for the climate too, because more weight leads to higher emission of CO2. The problem can be solved ...

    Airbags & airbag textiles

    Gotipamul, Rajanna L. / Pohane, Atul | Tema Archiv | 2013
    sensor is the device that tells the bag to inflate; and the airbag's inflation system uses the rapid pulse of hot nitrogen gas from the chemical ...

    The influence of basecoat pigmentation on chemical structure and surface topology of automotive clearcoats during weathering

    Yari, H. / Moradian, S. / Ramezanzadeh, B. et al. | Tema Archiv | 2012
    The present study aims at elucidating the effect of basecoat pigmentation on the chemical structure and surface topology of its attached ...

    High performance modeling of atmospheric re-entry vehicles

    Martin, Alexandre / Scalabrin, Leonardo C. / Boyd, Iain D. | Tema Archiv | 2012
    of chemical species are involved. The CFD result demonstrates the need for such chemistry model when modeling the flow field around an ...

    Comparative evaluation of various sorbent decontaminants against sulphur mustard

    Prasad, G.K. / Ramacharyulu, P.V.R.K. / Praveen Kumar, J. et al. | Tema Archiv | 2012
    Decontaminants remove chemical warfare agent (CWA) from contaminated surfaces to avoid health hazards in battle field conditions, chemical ...

    Prediction of the temperature distribution of partially submersed umbilical cables

    Krieger, Guenther Carlos / Yanagihara, Jurandir Itizo | Tema Archiv | 2012
    that are surrounded by a number of protective layers. The protective layer is designed to secure the conductors from adverse chemical and ...

    Model-based design of an automotive-scale, metal hydride hydrogen storage system

    Johnson, Terry A. / Kanouff, Michael P. / Dedrick, Daniel E. et al. | Tema Archiv | 2012
    -dimensional models of coupled fluid dynamics and heat transfer. Chemical kinetics models were coupled with both heat and mass transfer calculations to ...