Potential of Increasing the Performance of V-Type Alpha Stirling Engine Using 3D CFD Modelling
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CFD,Cooler Design,V-type compressor, V-type Stirling Engine.
Abstract
With the current global levels of fossil fuel consumption and CO2 emissions, the use of Stirling engines for electrical power generation offers the potential of exploiting the vast amount of waste heat available from industrial processes, thus reducing the use of fossil fuel and carbon emissions. Stirling engines have the advantages of high thermal efficiency, flexibility of using various energy types including renewable sources. Currently, there are few Stirling engine manufacturers worldwide and limited research work for its development. Using 3D CFD modelling, this paper investigates the routes to develop V-type alpha Stirling engine from upgrading commercially available V-type compressor, in order to reduce the time and cost for engine development. Also, a new concept for the engine cooler design was modelled and integrated in the overall engine model, showing improved performance for the engine due to lower coolant temperature. The maximum indicated power from the developed engine increase from 110.98 W to 132 W by using the finned cooler.
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