CFD ANALYSIS OPF THERMODYNAMIC BEHAVIOUR OF THERMAL-LAG ENGINE COMPARED WITH STIRLING ENGINES

Abstract

The extensive usage of conventional energy resources and the lack of universal access to modern sources of energy is one of major constraints to Environmental deterioration. Using Stirling technology is one of the radical solutions for these issues. In this thesis, the thermal-lag engine (TLE) is analyzed to have a comprehensive perception for this engine and its own cycle by creating a three-dimensional (3D) model and solve the equations of continuity, energy and momentum as well as turbulence equations by using CFD technology. Moreover, pressure and temperature distributions are illustrated and many other effects like dwell time, thermal lag and gas swirling effects are captured and discussed. Finally, a proposed TLE and a modified ideal cycle have been suggested for better engine performance and more power output.