ConvectionCoolant_Part3_web

ConvectionCoolant_Part3_web - ENU 4134 Convection to...

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Unformatted text preview: ENU 4134 Convection to Coolant and Full Single-Channel Analysis Part III D. Schubring November 23, 2009 (Driving Towards) Single-Channel Analysis I Conduction in fuel 1+ I Gap conductance 1 I Conduction in cladding << 1 I Convection to coolant 2-3 Included in these final notes (in several parts) is the full single-channel analysis problem Convection to Coolant I General equation for T co- T m I Single-phase coolant, constant properties & heat transfer coefficient (analytical solutions) I Single-phase coolant, variable properties & heat transfer coefficient (numerical solution) I Two-phase coolant I Miscellanea I Engineering judgment and single-channel analysis Part III Outline I Miscellanea I Axial conduction I Time-dependence I Engineering judgment I Numerical model I Physical models Axial Conduction Since fuel is three-dimensional (as is cladding and coolant), some axial conduction will occur in a reactor core. To simplify computations (solve, at most, 1-D ODEs), this has been ignored....
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ConvectionCoolant_Part3_web - ENU 4134 Convection to...

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