Parametric Study of an Air Charged Franchot Engine with Novel Hot and Cold Isothermalizers
AbstractThe Stirling engine is an external combustion engine that uses heat exchangers to enhance the addition and removal of energy. This makes the engine power-dense but expensive, less efficient and complicated. In this contribution, the Stirling engine based on the Franchot engine has novel cylindrical fins working as isothermalizers to improve heat transfer without the complications of heat exchangers. Enhancing the power density by isothermalizing work spaces is compared to the bare cylinder optimized by varying the phase angle. The theoretical analysis shows that both the adiabatic and isothermal fins increase the power and efficiency, achieving the Curzon and Ahlborn efficiency at the maximum power point. In comparison to the phase angle method, the finned engine resulted in much lower gas mass flow rate, which leads to a reduction in the regenerator pumping and enthalpy losses. Thus, the Stirling engine has the potential to be simple, cheap, efficient and power-dense, and thus can be used effectively for different applications. View Full-Text
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Daoud, J.M.; Friedrich, D. Parametric Study of an Air Charged Franchot Engine with Novel Hot and Cold Isothermalizers. Inventions 2017, 2, 35.
Daoud JM, Friedrich D. Parametric Study of an Air Charged Franchot Engine with Novel Hot and Cold Isothermalizers. Inventions. 2017; 2(4):35.Chicago/Turabian Style
Daoud, Jafar M.; Friedrich, Daniel. 2017. "Parametric Study of an Air Charged Franchot Engine with Novel Hot and Cold Isothermalizers." Inventions 2, no. 4: 35.