Analysis of Efficiency of Beta Stirling Cycle Model in Lab View

This study strives to provide a clear explanation of the Stirling engine and its efficiency using new automation technology and the Lab View software. This heat engine was invented by Stirling, a Scottish in 1918. The engine’s working principles are based on the laws of thermodynamics and ability of volume expansion of ideal gases at different temperatures. Basically there are three types of Stirling engines: the gamma, beta and alpha models. The study focuses on a beta type engine model. The engine is coupled with a small generator for transforming heat energy to electrical energy. The heating energy is provided by a special resistor inside the cylinder. A friendly user interface has been designed so that the user can see the measured values either graphically or numerically on the screen. Main values include: input power, output power, efficiency, rpm and temperature as well as the PV diagram.