An experimental program has been completed by CUBRC exploring laminar, transitional, and turbulent flows over a 7.0% scale model of the Project ORION CEV geometry. This program was executed primarily to answer questions concerning the increase in heat transfer on the windward, or "hot shoulder" of the CEV heat shield from laminar to turbulent flow. To answer these questions CUBRC constructed and instrumented a 14.0 inch diameter Project ORION CEV model and ran a range of Reynolds numbers based on diameter from 1.0 to over 40 million at a Mach number of 8.0. These Reynolds numbers were selected to cover laminar to turbulent heating data on the "hot shoulder". Data obtained during these runs will be used to guide design decisions as they apply to heat shield thickness and extent. Several experiments at higher enthalpies were achieved to obtain data for code validation with real gas effects and transition. CUBRC also performed computation studies of these experiments to aid in the data reduction process and study turbulence modeling.
A method is presented for generating a time-dependent parametric surface. The application on which this paper concentrates is that of producing a parametric surface description of the surfaces of the left and right ventricles of the human heart. The model is generatedfrom two-dimensional section data obtained from MRI images of the heart. The method views su$ace generation as a boundary-valueproblem and produces surfaces as the solutions to elliptic partialdifferential equations. Shape parameters controlling the geometry of the surjace model are introduced through the boundary conditions on the solution of the partial differential equation. These parameters are functions of time, and the suflace model can be used to produce an animation of the heart during the cardiac cycle.Keywords: 3D cardiac image analysis, ventricle shape and motion analysis and visualization, deformable model, PDE Method.
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