Dynamic Analysis, Design and Expermintal Demonstration of a Gamma-Type Stirling Engine Coupled with Parabolic Dish Tracker

Muhammad I. Rashad, Ihab G. Adam, Khaled F. Shehata

Abstract


This paper presents a study of low rating gamma-type Stirling engine. Through this study, the dead volume analysis of the Stirling engine is investigated. A Simulink model is introduced to facilitate the use of the analysis with a simplified friendly graphical user interface. Based on the analysis, a realistic CAD model of a 40Watt and 20% thermal effeciency stirling unit is developed using Solidworks. Using the Finite Element Analysis (FEA) simulations, the motion and dynamic analysis are carried out for the proposed design to investigate the effects of inertia and friction on the engine performance. After that, the parabolic dish tracking system is introduced and the two axes system design is discussed in details. Finally, the integrated system of the Stirling unit with the tracker is manufactured and established at the Faculty of Engineering, Alexandria University, Alexandria, Egypt. The unit is fully functional and was operated during summer days.

Keywords


Stirling Engine; Solar Energy; Dynamic Analysis; Parabolic Dish;

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