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  1. Hydrogen and fuel cells

    Hydrogen can store and deliver energy in a widely useable form, and it is one of the most promising alternative fuels for future energy applications. It can be produced pollution-free, without carbon dioxide emissions and it decreases our dependence on dw ...

    30 April 2014

  2. A Large Scale Test Facility for the Production of Hydrogen and Electricity- The Hypogen Project: a JRC-Setris Perspective

    The HYPOGEN (HYdrogen POwer GENeration) project refers to a large-scale test facility for the co-production of hydrogen and electricity. HYPOGEN will be a clean fossil fuel design in which the CO2 will be captured and stored. Although this facility will b ...

    30 April 2014

  3. IEA Hydrogen Implementing Agreement 2004 Annual Report- Member Report: European Commission

    This article summarises selectively the activities of the European Commission as an input to the annual report of the Hydrogen Implementing Agreement (HIA) of the International Energy Agency. DG JRC and specifically the Institute for Energy in Petten repr ...

    30 April 2014

  4. CFD Modelling of Accidental Hydrogen Release from Pipelines

    Although today hydrogen is distributed mainly by trailers, in the long terms pipeline distribution will be more suitable if large amounts of hydrogen are produced on industrial scale. Therefore from the safety point of view it is essential to compare hydr ...

    30 April 2014

  5. The Impact of Carbon Sequestration on the Production Cost of Electricity and Hydrogen from Coal and Natural-Gas Technologies in Europe in the Medium Term

    Carbon sequestration is a distinct technological option with a potential for controlling carbon emissions; it complements other measures, such as improvements in energy efficiency and utilization of renewable energy sources. The deployment of carbon seque ...

    30 April 2014

  6. Testing of Welded 2.25Cr-1Mo Steel, in Hot, High-Pressure Hydrogen under Creep Conditions

    The standard 2.25Cr-1Mo steel and its weldments may experience, under hydroprocessing conditions, degradation by "hydrogen attack", which is responsible for several accidents occurring in the history fo the industry. The selection of the structu ...

    30 April 2014

  7. An Intercomparison Exercise on the Capabilities of CFD Models to Predict Deflagration of a Large-Scale H2-Air Mixture in Open Atmosphere

    This paper presents a compilation of the results supplied by HySafe partners participating in the Standard Benchmark Exercise Problem (SBEP) V2, which is based on an experiment on hydrogen combustion that is first described. A list of the results requeste ...

    30 April 2014

  8. Factors Limiting the In-Service Lifetime of CrMoV Steels and Weldments for Pressure Equipment

    The combined effect of both creep and hydrogen attack is the object of this study. This is the cause of damage and catastrophic failures of industrial copmonents, with huge economic impact on the affected plants. Tests representative of the industrial rea ...

    30 April 2014

  9. Integral Large Scale Experiments on Hydrogen Combustion for Severe Accident Code Validation- HYCOM

    A joint research project was carried out in the EU 5th Framework Programme, concerning hydrogen risk in a nuclear power plant. The goals were: Firstly, to create a new data base of results on hydrogen combustion experiments in the slow to turbulent combus ...

    30 April 2014

  10. Impact of High Pressure Hydrogen Atmosphere on the Mechanical Properties of Haynes 282 Superalloy

    Haynes 282 alloy is a newly developed nickel-base superalloy, with properties focussed on high creep strength, thermal stability, good weldability and fabricability, which might qualify it as a substitute for established materials like Hastelloy-X or Rene ...

    30 April 2014

  11. Hydrogen Sensors in Systems for Alternative Fuels

    The whole infrastructure of hydrogen production, transport, storage, distribution and final comsumption has to be monitored by means of adequate gas sensors. Several types are available both for safety monitoring and fuel delivery control at fuel cells an ...

    30 April 2014

  12. Hydrogen Tank Filling Experiments at the JRC-IE GASTEF Facility

    Storage of gases under pressure, including hydrogen, is a well-known technique. However the use in vehicles of hydrogen at pressures much higher than those applicable in natural gas cars still requires safety and performance studies with respect to the ve ...

    30 April 2014

  13. Hydrogenation of Carbon Monoxide over Nanostructured Systems- a Mechanochemical Approach

    In this study we investigated the mechanochemical hydrogenation of carbon monoxide over nanostructured FeCo- and Mg2Ni- based catalysts. To this aim powdered materials, prepared by mechanical alloying, were subjected to mechanical treatment under CO+H2 at ...

    30 April 2014

  14. Testing of Hydrogen Safety Sensors in Service Simulated Conditions

    Reliable and effective sensors for the accurate detection of hydrogen concentrations in air are essential for the safe operation of fule cells, hydrogen fuelled systems (e.g. vehicles) and hydrogen production, distribution and storage facilities. The pres ...

    30 April 2014

  15. CFD Investigation of Hydrogen Combustion in a Simplified EPR Containment with CFX and Reacflow

    In case of a severe nuclear accident, large amounts of hydrogen could be generated by a metal-steam chemical reaction during the core melt down. The containment integrity can be jeopardised by the over-pressures that are generated by hydrogen explosions w ...

    30 April 2014

  16. Paving the Way for Standards for Fuel Cells

    Georgis Tsotridis discusses the many benefi ts and challenges of harmonising fuel cell test methods and also protocols through the Fuel Cell Testing, Safety & Quality Assurance (FCTESQA) project, to make the innovative and clean power source ready for ...

    30 April 2014

  17. Flexibility in the Production of Hydrogen and Electricity from Fossil Fuel Power Plants

    Concerns about global climate change have led to the formulation of a number of fossil fuel power plant concepts, which are intended to capture the carbon dioxide produced, so that it can be stored in geological structures. In the medium and long-term fut ...

    30 April 2014

  18. Hydrogen Sorption Properties of a Mg-Y-Ti Alloy

    The catalytic effect of titanium on the hydrogen sorption properties of a Mg-Y-Ti alloy has been investigated. The alloy is formed by a majority phase Mg24+xY5, a minor phase of solid solution of Y in Mg and Ti clusters randomly dispersed in the sample. D ...

    30 April 2014

  19. Assessment of PEFC Performance by Applying Harmonized Testing Procedure

    The performance of Polymer Electrolyte Membrane Fuel Cell (PEFC) stacks is assessed in terms of polarization curve measurements under laboratory conditions by applying a harmonized testing procedure. Harmonization at the level of testing procedures allows ...

    30 April 2014

  20. Computation of Thermal Conductivity of Gas Diffusion Layers of PEM Fuel Cells

    The thermal conductivity of the GDL plays an important role in the management of the heat transfer in PEM fuel cells and therefore is important for simulation of fuel cell performance and for fuel cell design. While the measurement of thermal conductivity ...

    30 April 2014

  21. Tips on Choosing a Hydrogen Safety Sensor

    As the number of stationary and mobile applications using hydrogen steadily increases, due in part to an increase in hydrogen demonstration projects, project engineers and scientists are faced with the dilemma regarding which hydrogen sensor to use for th ...

    30 April 2014

  22. The hydrogen value chain: applying the automotive role model of the hydrogen economy in the aerospace sector to increase performance and reduce costs

    Hydrogen will assume a key role in Europe?s effort to adopt its energy dependent society to satisfy its needs without releasing vast amounts of greenhouse gases. The paradigm shift is so paramount that one speaks of the ``Hydrogen Economy??, as the energy ...

    30 April 2014

  23. SiC-Based Multilayer for Applications in Extreme Environment- H2 Generation Plants

    The purpose of this research is to develop SiC-based multilayers, for applications in extreme environment such as H2 generation plants. Tape casting technology, followed by debinding and sintering at very high temperature (~2200?C) has been used. In Europ ...

    30 April 2014

  24. Analytical Methods for Characterizing High-Mass Complex Polydisperse Hydrocarbon Mixtures: An Overview

    By attempting to define the principal chemical features and the complete ranges of molecular mass of the heavy ends of coal and petroleum derived liquids, this review aims to facilitate process development for improved utilization of heavy fractions (coal ...

    30 April 2014

  25. Inter-laboratory Assessment of Hydrogen Safety Sensors Performance under Anaerobic Conditions

    In any application that uses, produces or stores hydrogen, sensors are an important device for alerting to the possible presence of leaked hydrogen. Hydrogen sensors should be accurate, sensitive, specific and insensitive to other species as well as resis ...

    30 April 2014