TITAN - Flow Control and Thermofluid Modeling Tasks Neil Morley TBM Meeting

Task 1-3: Flow Control and Thermofluid Modeling TITAN – Tritium, Irradiation, and Thermofluid experiments for America and Nippon Task 1-3: Flow Control and Thermofluid Modeling N. B. Morley, M. Abdou, A. Ying, S. Smolentsev, M.-J. Ni, K. Messadek, M. Dagher, M. Narula (UCLA), R. Munipalli (Hypercomp), C. Wong (GA), D-.K. Sze (UCSD) T. Kunugi, Z. Kawara, S. Konishi (Kyoto U.), T. Yokomine, S. Ebara (Kyushu U.), H. Hashizume, K. Yuki, S. Ito (Tohoku U.), S. Satake (Tokyo U. Science), T. Tagawa (Tokyo Met. U.), H. Horiike (Osaka U.), A. Sagara (NIFS)

Proposed Task 1-3 research projects Selected to provide the basis for developing practical LM blankets of interest to US and Japan Fundamental Studies of Flow Dispersal Elements Manifold (consisting of Rectangular channel(s), Bends, Expansion/Backward facing step, etc. over parameter range) Insulation techniques for pressure drop (and thermal) control Technique 1: SiC/SiC or other FCI Technique 2: Multi-layer ceramic/metallic coatings (or FCI) Heat and mass transfer studies Turbulent heat transfer in poorly conducting channels MHD Mixed convection in fusion blankets Computational Model Development High Hartmann number complex geometry simulations Fundamental turbulence models in different regimes Transport effects (heat, tritium, corrosion) due to MHD velocity / temperature coupling – towards integrated system modeling and virtual TBM

Flow Control and Thermofluid Modeling 6-year Schedule Outline FuY 2007 FuY 2008 FuY 2009 FuY 2010 FuY 2011 FuY 2012 Flow Distribution Control Insulation Technique Effectiveness Heat and Mass Transfer Coupling Effects Modeling / TBM Flow Behavior in 3D elements SiC FCI & Multilayer Ceramic/Metallic Velocity/Temperature Field Coupling Simulation tool development and validation Possible Input to TBM Conception and Design

Flow Control and Thermofluid Modeling FuY2007 (1st Year) Schedule 2008 Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Manifold Basic Flow / Pressure / Potential distribution in parallel channels Backward Step and UDV Characterization UDV Characterization Velocity Prof. N = 0-500 Manifold Detailed Optimization Effects of modified wall shapes on velocity (with UDV) Passive flow balance in manifold with conductive inserts Modeling DNS/MHD modeling of backward step (JA) HIMAG modeling of optimized manifold (US) Exchanges/ Workshops/ Meetings Yokomine Ebara ISFNT-8 Possible workshop In Kyoto JIII - SCM