Modelagem térmica de modelo reduzido de pequena central hidrelétrica (PCH)

Abstract

This work presents a tridimensional modeling of reduced scale physical model of a concrete SHP (Small Hydro Plant). We simulated the transient thermal analysis with ANSYS®. The layered building process is represented using an available technique in the code called Birth & Death. The usual applications of layered structures are the rolled compacted concrete dams. The numerical solution is based on finite element method. The heat generated in previous layer affects the heat generated in the actual layer as well as the next layers. Thus, are observed the heat transfer in the structure, heat flow and thermal gradients across layers. We characterized variables like element size, time steps and adiabatic heat generation in order to evaluate their effects in thermal analysis results in points initially selected. The presented simulations are compared to experimental temperature data.