Theoretical Proof Of Concept For The Green Revolution Energy Converter : Development of a mathematical model, material analysis and physical model improvements

University essay from Linköpings universitet/Mekanisk värmeteori och strömningslära

Author: Markus Eriksson; Oscar Magnusson; Lukas Haglund; John Malmdal; < [2022]

Keywords: ;

Abstract: The GREC is a new type of renewable heat engine that challenges the current dominating combustion engines. By using renewable energy the GREC offer a theoretical high efficiency, possibilities for large scalability and a high power output. The GREC could therefore be a step into a better future regarding energy production without consumption of fossil fuel. The report has the aim to further develop the fundamental technology and present a theoretical proof of concept of the GREC engine. This was performed by establishing a mathematical model in order to produce realistic results in terms of performance. As well as material analyzes and construction improvements of crucial parts for future physical models.The mathematical model was constructed with the help of the fundamental principals of the Carnot-engine. With this in mind the development of the mathematical model was formed by stating necessary thermodynamic assumptions, equations and simplifications that focused on the heat transfer within the engine. The material analysis focused on performing thermal and stress simulations on selected parts with sought out material properties that would benefit the efficiency for the GREC. With the use of a scaled Six Sigma quality approach future construction improvements could be pinpointed and thereby give guidance to future work. Results show that the GREC theoretically benefits performance-wise by being constructed in larger scales and with higher temperature differences between two heat reservoirs. Change of construction materials also show increased performance, for example using bakelite for isolation. The found construction improvements using Six Sigma across the physical model show that a path to a solution of the problem could be pinpointed. This will also contribute to GRECs development when solved.   

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