Eventos Anais de eventos
ENCIT 2018
Brazilian Congress of Thermal Sciences and Engineering
Deterministic model for the simulation of scroll expanders: preliminary results
Submission Author:
Paulo Eduardo Batista de Mello , SP
Co-Authors:
Vitor Hugo Maiochi, Paulo Eduardo Batista de Mello
Presenter: Paulo Eduardo Batista de Mello
doi://10.26678/ABCM.ENCIT2018.CIT18-0282
Abstract
The increase of global energy consumption has attracted a great deal of interest in Waste Heat Recovery (WHR) technologies. The Rankine Organic Cycle (ORC) has been shown to be more suitable in some applications when compared to the traditional Rankine Cycle. Scroll expanders are indicated for low power ratings generally below 10kW. Previous studies demonstrate the difficulty of performing a numerical simulation of a scroll type expander using Computational Fluid Dynamics (CFD). These simulations are too time-consuming even with current computers, because of their transient nature. In the present work, we analyse scroll expander under ideal conditions of operation. One numerical model was implemented using Engineering Equation Solver (EES) that permit verify the influence of losses by sub and over expansion. This model is a premillinary version that, when finished, will have the potential to provide results similar from those obtained using CFD in a much faster way.
Keywords
ORC, WHR, Scroll Expander, deterministic model
