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      • The Development of a Strategic Analytical Model of Freight Transportation from Korea to Europe

        Louis Coulet,Jinwoo Park 한국경영과학회 2011 한국경영과학회 학술대회논문집 Vol.2011 No.5

        Korea exported in 2009 $373.6 billion of goods, of which 15% where headed to Europe. As this quantity is likely to increase in the coming years a Free Trade Agreement between Korea and Europe was signed by the beginning of this year. The purpose of this paper is to provide an aggregated model to allow decision makers to evaluate different transportation solutions (in terms of time, cost and environmental impact) and investments in transportation infrastructures. We start by estimating the volume of exports until 2030. Then we develop a mathematical model of transportation which is optimized to get the best solution given certain parameters. Finally we propose different future scenario and evaluate how to handle them using our model.

      • The Development of a Strategic Analytical Model of Freight Transportation from Korea to Europe

        Louis Coulet,Jinwoo Park 대한산업공학회 2011 대한산업공학회 춘계학술대회논문집 Vol.2011 No.5

        Korea exported in 2009 $373.6 billion of goods, of which 15% where headed to Europe. As this quantity is likely to increase in the coming years a Free Trade Agreement between Korea and Europe was signed by the beginning of this year. The purpose of this paper is to provide an aggregated model to allow decision makers to evaluate different transportation solutions (in terms of time, cost and environmental impact) and investments in transportation infrastructures. We start by estimating the volume of exports until 2030. Then we develop a mathematical model of transportation which is optimized to get the best solution given certain parameters. Finally we propose different future scenario and evaluate how to handle them using our model.

      • Non-linear MHD modelling of edge localized modes dynamics in KSTAR

        ,coulet, M.,Kim, M.,Yun, G.,Pamela, S.,Morales, J.,Garbet, X.,Huijsmans, G.T.A.,Passeron, C.,,vrier, O.,Hoelzl, M.,Lessig, A.,Orain, F. IOP 2017 Nuclear fusion. Fusion nucléaire. &n.Illiga Vol.57 No.11

        <P>The explanation of the existence of the rotating MHD modes in the pedestal region before Type I edge localized mode (ELM) crash and in the inter-ELM periods (ELM precursors) observed in KSTAR is provided for the first time in the present paper. The dynamics of ELMs, observed using electron cyclotron emission imaging (ECEI) in KSTAR tokamak, is compared to the modelling results of the non-linear reduced resistive MHD code JOREK. The realistic KSTAR pulse parameters and geometry including X-point and scrape off layer (SOL) were used. The full ELM crash modelling was performed using JOREK code for single and multi-harmonic representation and in multi-cycles ELMy regimes including relevant flows. The most unstable toroidal modes numbers (<I>n</I>  =  5–8), velocity (~5 km s<SUP>−1</SUP> for <I>n</I>  =  8 mode) and the direction of the mode rotation were reproduced in modelling. The two fluid diamagnetic effects and toroidal rotations included in the model were found to be the most important factors in explaining the experimentally observed rotation of the ballooning modes before the ELM crash and in the inter-ELM phase. In multi-harmonic multi-cycle simulations the spectrum of temperature fluctuations is similar to the experimental one in the inter-ELM phase, where several rotating modes with medium <I>n</I> numbers were detected in 5–30 kHz frequency range. The rotating modes can contain single or several harmonics which last from 0.2 ms to few ms in time, and can appear and disappear in the inter ELM period or persist until a new ELM crash.</P>

      • SCISCIESCOPUS

        A lower hybrid current drive system for ITER

        Hoang, G.T.,,coulet, A.,Jacquinot, J.,Artaud, J.F.,Bae, Y.S.,Beaumont, B.,Belo, J.H.,Berger-By, G.,Bizarro, Joã,o P.S.,Bonoli, P.,Cho, M.H.,Decker, J.,Delpech, L.,Ekedahl, A.,Garcia, J. International Atomic Energy Agency 2009 Nuclear fusion Vol.49 No.7

        <P>A 20 MW/5 GHz lower hybrid current drive (LHCD) system was initially due to be commissioned and used for the second mission of ITER, i.e. the <I>Q</I> = 5 steady state target. Though not part of the currently planned procurement phase, it is now under consideration for an earlier delivery. In this paper, both physics and technology conceptual designs are reviewed. Furthermore, an appropriate work plan is also developed. This work plan for design, R&D, procurement and installation of a 20 MW LHCD system on ITER follows the ITER Scientific and Technical Advisory Committee (STAC) T13-05 task instructions. It gives more details on the various scientific and technical implications of the system, without presuming on any work or procurement sharing amongst the possible ITER partners. This document does not commit the Institutions or Domestic Agencies of the various authors in that respect.</P>

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