Numerical Design and Optimization of a Medium Temperature Difference Gamma Stirling Engine for Power Generation Based on Renewable Energy

Abstract

The current environmental situation in the World is very critical and requires an urgent intervention. The best solution to solve this problem is the development of renewable energy. Stirling engine is one of the performant technologies that uses renewable sources. Gamma Stirling engine is one of Stirling engine types that can be built easily and has several advantages. Most works in the field have only focused on studying Gamma Stirling engine with Low Temperature Difference which limits the use of these machines in specific applications. The aim of this study is modeling and optimizing a Medium Temperature Difference Gamma Stirling engine for power production based on biomass as heat source to enlarge the use of this type in other applications. The mathematical model used in this research is the non-ideal adiabatic model. The results of our model were compared and validated against experimental data and previous numerical models. The findings of this paper have revealed that the engine can produce high performance with Medium Temperature Difference.