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  • Journal article
    Hadden RM, Rein G, Belcher CM, 2013,

    Study of the competing chemical reactions in the initiation and spread of smouldering combustion in peat

    , PROCEEDINGS OF THE COMBUSTION INSTITUTE, Vol: 34, Pages: 2547-2553, ISSN: 1540-7489
  • Journal article
    Marsh CJ, Ewers RM, 2013,

    A fractal-based sampling design for ecological surveys quantifying beta-diversity

    , METHODS IN ECOLOGY AND EVOLUTION, Vol: 4, Pages: 63-72, ISSN: 2041-210X
  • Journal article
    Clements T, Rainey H, An D, Rours V, Tan S, Thong S, Sutherland WJ, Milner-Gulland EJet al., 2013,

    An evaluation of the effectiveness of a direct payment for biodiversity conservation: The Bird Nest Protection Program in the Northern Plains of Cambodia

    , BIOLOGICAL CONSERVATION, Vol: 157, Pages: 50-59, ISSN: 0006-3207
  • Journal article
    Zulkafli Z, Buytaert W, Onof C, Lavado W, Guyot JLet al., 2013,

    A critical assessment of the JULES land surface model hydrology for humid tropical environments

    , HYDROLOGY AND EARTH SYSTEM SCIENCES, Vol: 17, Pages: 1113-1132, ISSN: 1027-5606
  • Journal article
    Mac Dowell N, Samsatli NJ, Shah N, 2013,

    Dynamic modelling and analysis of an amine-based post-combustion CO₂ capture absorption column

    , INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL, Vol: 12, Pages: 247-258, ISSN: 1750-5836
  • Journal article
    Ewen J, O'Donnell G, Bulygina N, Ballard C, O'Connell Eet al., 2013,

    Towards understanding links between rural land management and the catchment flood hydrograph

    , QUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETY, Vol: 139, Pages: 350-357, ISSN: 0035-9009
  • Journal article
    Meinen CS, Johns WE, Garzoli SL, van Sebille E, Rayner D, Kanzow T, Baringer MOet al., 2013,

    Variability of the Deep Western Boundary Current at 26.5 degrees N during 2004-2009

    , DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY, Vol: 85, Pages: 154-168, ISSN: 0967-0645
  • Journal article
    Scussolini P, van Sebille E, Durgadoo JV, 2013,

    Paleo Agulhas rings enter the subtropical gyre during the penultimate deglaciation

    , CLIMATE OF THE PAST, Vol: 9, Pages: 2631-2639, ISSN: 1814-9324
  • Journal article
    Plant JA, Bone J, Voulvoulis N, Kinniburgh DG, Smedley PL, Fordyce FM, Klinck Bet al., 2013,

    Arsenic and Selenium

    , Vol: 11, Pages: 13-57

    This chapter outlines the main effects of arsenic and selenium on human and animal health, their abundance and distribution in the environment, sampling and analysis, and the main factors controlling their speciation and cycling. Such information should help identify aquifers, water resources and soils at risk from high concentrations of arsenic and selenium, and areas of selenium deficiency. Human activity has had, and is likely to continue to have, a major role in releasing arsenic and selenium from the geosphere and in perturbing the natural distribution of these and other elements over the Earth's surface. © 2014 Elsevier Ltd. All rights reserved.
  • Conference paper
    Ekins-Daukes NJ, 2013,

    Routes to High Efficiency Photovoltaic Power Conversion

    , 39th IEEE Photovoltaic Specialists Conference (PVSC), Publisher: IEEE, Pages: 13-16, ISSN: 0160-8371
  • Conference paper
    Mac Dowell N, Shah N, 2013,

    Dynamic modelling and analysis of a coal fired power plant integrated with post- Combustion CO<inf>2</inf> capture process

    , Pages: 12-13
  • Conference paper
    Krevor S, Pini R, Benson SM, 2013,

    Measurement of the multiphase flow properties of the CO2/brine system for carbon sequestration

    , International Conference on Greenhouse Gas Technologies (GHGT), Publisher: ELSEVIER SCIENCE BV, Pages: 4499-4503, ISSN: 1876-6102
  • Journal article
    Fretwell P, Pritchard HD, Vaughan DG, Bamber JL, Barrand NE, Bell R, Bianchi C, Bingham RG, Blankenship DD, Casassa G, Catania G, Callens D, Conway H, Cook AJ, Corr HFJ, Damaske D, Damm V, Ferraccioli F, Forsberg R, Fujita S, Gim Y, Gogineni P, Griggs JA, Hindmarsh RCA, Holmlund P, Holt JW, Jacobel RW, Jenkins A, Jokat W, Jordan T, King EC, Kohler J, Krabill W, Riger-Kusk M, Langley KA, Leitchenkov G, Leuschen C, Luyendyk BP, Matsuoka K, Mouginot J, Nitsche FO, Nogi Y, Nost OA, Popov SV, Rignot E, Rippin DM, Rivera A, Roberts J, Ross N, Siegert MJ, Smith AM, Steinhage D, Studinger M, Sun B, Tinto BK, Welch BC, Wilson D, Young DA, Xiangbin C, Zirizzotti Aet al., 2013,

    Bedmap2: improved ice bed, surface and thickness datasets for Antarctica

    , CRYOSPHERE, Vol: 7, Pages: 375-393, ISSN: 1994-0416
  • Conference paper
    Kirchofer A, Brandt A, Krevor S, Prigiobbe V, Becker A, Wilcox Jet al., 2013,

    Assessing the Potential of Mineral Carbonation with Industrial Alkalinity Sources in the US

    , International Conference on Greenhouse Gas Technologies (GHGT), Publisher: ELSEVIER SCIENCE BV, Pages: 5858-5869, ISSN: 1876-6102
  • Conference paper
    Pini R, Krevor S, Krause M, Benson Set al., 2013,

    Capillary heterogeneity in sandstone rocks during CO2/water core-flooding experiments

    , International Conference on Greenhouse Gas Technologies (GHGT), Publisher: ELSEVIER SCIENCE BV, Pages: 5473-5479, ISSN: 1876-6102
  • Conference paper
    Voulvoulis N, 2013,

    TOWARDS SUSTAINABILITY: A SYSTEMS PERSPECTIVE IN DEALING WITH WATER CHALLENGES

    , 13th International Conference on Environmental Science and Technology (CEST), Publisher: GLOBAL NEST, SECRETARIAT, ISSN: 1106-5516
  • Conference paper
    Kokoni S, Skea J, 2013,

    CONSUMPTION-BASED AND LIFE-CYCLE EMISSIONS ACCOUNTING: STRENGTHS AND WEAKNESSES IN SUPPORTING CLIMATE POLICY

    , 13th International Conference on Environmental Science and Technology (CEST), Publisher: GLOBAL NEST, SECRETARIAT, ISSN: 1106-5516
  • Book chapter
    Bohan DA, Raybould A, Mulder C, Woodward G, Tamaddoni-Nezhad A, Bluthgen N, Pocock MJO, Muggleton S, Evans DM, Astegiano J, Massol F, Loeuille N, Petit S, Macfadyen Set al., 2013,

    Networking Agroecology: Integrating the Diversity of Agroecosystem Interactions

    , ADVANCES IN ECOLOGICAL RESEARCH, VOL 49: ECOLOGICAL NETWORKS IN AN AGRICULTURAL WORLD, Editors: Woodward, Bohan, Publisher: ELSEVIER ACADEMIC PRESS INC, Pages: 1-67, ISBN: 978-0-12-420002-9
  • Book
    Bohan DA, Woodward G, 2013,

    Editorial Commentary: The Potential for Network Approaches to Improve Knowledge, Understanding, and Prediction of the Structure and Functioning of Agricultural Systems PREFACE

    , Publisher: ELSEVIER ACADEMIC PRESS INC, ISBN: 978-0-12-420002-9
  • Journal article
    Wu B, Yufit V, Campbell J, Offer GJ, Martinez-Botas RF, Brandon NPet al., 2013,

    Simulated and experimental validation of a fuel cell-supercapacitor passive hybrid system for electric vehicles

    , IET Conference Publications, Vol: 2013

    The concept of a fuel cell-supercapacitor hybrid system involves the direct coupling of the two devices to achieve the same benefits of hybridisation but without the need for costly DCDC converters. Using an experimentally validated steady state fuel cell model and a transmission line based supercapacitor model, it has been shown that the passive hybridisation allows for efficiency gains of approximately 16% compared to a pure fuel cell system. Under load, the supercapacitors meets the peak power requirement due to their lower impedance giving the FC time to ramp up. Under no load conditions, the fuel cell gradually charges the supercapacitors back to the steady state thermodynamic equilibrium potential. A fast fourier transform analysis of the respective loads under an automotive drive cycle showed that the supercapacitors act as a low pass filter, reducing the magnitude of load oscillations from the fuel cell. This therefore addresses two of the main modes of fuel cell degradation in automotive applications: rapid power cycling and no load idling.
  • Journal article
    Marinescu M, Wu B, Von Srbik M, Yufit V, Offer GJet al., 2013,

    The effect of thermal gradients on the performance of battery packs in automotive applications

    , IET Conference Publications, Vol: 2013

    Thermal gradients arising inside a battery pack for automotive applications are calculated for 200 A discharge via a multiparticle thermal-electrochemical coupled high fidelity model for a 12P7S 4.8 Ah cell pack. The effect of such gradients at the cell level are studied in a first approximation under a corresponding discharge at 15 A, by discretising the cell into units at fixed temperatures throughout the discharge. The immediate time evolution of load distribution through the various parts of the cell shows a complex behaviour, dependent on parameters such as temperatures, state of charge and load characteristics.
  • Conference paper
    Hylton NP, Li X, Giannini V, Lee K-H, Ekins-Daukes NJ, Loo J, Vercruysse D, Van Dorpe P, Sodabanlu H, Sugiyama M, Maier SAet al., 2013,

    Al Nanoparticle Arrays for Broadband Absorption Enhancements in GaAs devices

    , 39th IEEE Photovoltaic Specialists Conference (PVSC), Publisher: IEEE, Pages: 22-24, ISSN: 0160-8371
  • Conference paper
    Casale G, Ragusa C, Parpas P, 2013,

    A Feasibility Study of Host-Level Contention Detection by Guest Virtual Machines

    , 5th IEEE International Conference on Cloud Computing Technology and Science (IEEE CloudCom), Publisher: IEEE, Pages: 152-157, ISSN: 2330-2194
  • Conference paper
    Lee K-H, Barnham KWJ, Roberts JS, Fuehrer M, Alonso-Alvarez D, Ekins-Daukes NJet al., 2013,

    Dual-Junction Solar Cells With Multiple-Quantum-Well Top Cells

    , 9th International Conference on Concentrator Photovoltaic Systems (CPV), Publisher: AMER INST PHYSICS, Pages: 45-47, ISSN: 0094-243X
  • Conference paper
    Fuehrer M, Farrell D, Ekins-Daukes N, 2013,

    CPV Modelling With Solcore: An Extensible Modelling Framework For The Rapid Computational Simulation And Evaluation Of Solar Cell Designs And Concepts

    , 9th International Conference on Concentrator Photovoltaic Systems (CPV), Publisher: AMER INST PHYSICS, Pages: 34-37, ISSN: 0094-243X
  • Conference paper
    Terdich N, Martinez-Botas R, 2013,

    Experimental efficiency characterization of an electrically assisted turbocharger

    , ISSN: 0148-7191

    Electrically assisted turbochargers consist of standard turbochargers modified to accommodate an electric motor/generator within the bearing housing. Those devices improve engine transient response and low end torque by increasing the power delivered to the compressor. This allows a larger degree of engine down-sizing and down-speeding as well as a more efficient turbocharger to engine match, which translates in lower fuel consumption. In addition, the electric machine can be operated in generating mode during steady state engine running conditions to extract a larger fraction of the exhaust energy. Electric turbocharger assistance is therefore a key technology for the reduction of fuel consumption and CO2 emissions. In this paper an electrically assisted turbocharger, designed to be applied to non-road medium duty diesel engines, is tested to obtain the turbine and electrical machine efficiency characteristics. The radial turbine is of the variable geometry type where the mass flow characteristics are changed by varying the vanes angle. The motor/generator is of the switched reluctance type and has a maximum speed of over 135,000 rev/min. The turbine and the motor/generator have been characterized with two different experiments. The turbine has been tested in cold flow on a specifically built dynamometer available at Imperial College. This allowed extending the turbine maps available from the manufacturer and to separate the bearing and heat transfer losses from the aerodynamic performance. To test the electrical machine, a prototype of the assisted turbocharger has been modified by removing the compressor and by placing the bearing housing on gimbal bearings. By measuring the speed, the reaction torque on the bearing housing and the electrical power, the efficiency of the electrical machine has been calculated. Turbine testing results show a peak turbine efficiency of 69% at a velocity ratio of 0.65 with 60% vane opening. Results in the electrical machine testing
  • Conference paper
    Chiong MS, Rajoo S, Costall AW, Salim WS-IBW, Romagnoli A, Martinez-Botas RFet al., 2013,

    ASSESSMENT OF CYCLE AVERAGED TURBOCHARGER MAPS THROUGH ONE DIMENSIONAL AND MEAN-LINE COUPLED CODES

    , ASME Turbo Expo: Turbine Technical Conference and Exposition, Publisher: AMER SOC MECHANICAL ENGINEERS
  • Conference paper
    Cao T, Xu L, Yang M, Martinez-Botas RFet al., 2013,

    RADIAL TURBINE ROTOR RESPONSE TO PULSATING INLET FLOWS

    , ASME Turbo Expo: Turbine Technical Conference and Exposition, Publisher: AMER SOC MECHANICAL ENGINEERS
  • Conference paper
    Newton P, Romagnoli A, Martinez-Botas R, Copeland C, Seiler Met al., 2013,

    A METHOD OF MAP EXTRAPOLATION FOR UNEQUAL AND PARTIAL ADMISSION IN A DOUBLE ENTRY TURBINE

    , ASME Turbo Expo: Turbine Technical Conference and Exposition, Publisher: AMER SOC MECHANICAL ENGINEERS
  • Journal article
    Dean C, Hills T, Florin N, Dugwell D, Fennell PSet al., 2013,

    Integrating Calcium Looping CO2 Capture with the Manufacture of Cement

    , GHGT-11, Vol: 37, Pages: 7078-7090, ISSN: 1876-6102
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    • Citations: 17

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