Dish electric systems heat engine assessment

Abstract
In this study, cost and performance estimates of several heat engine technologies were made and their performance was then evaluated with a dish electric system model. This analysis yielded the relative potential of the different heat engine technologies to meet the National Solar Thermal Technology program goal for levelized electricity cost. The heat engines evaluated were the Brayton engine, the Rankine engine (organic and liquid metal), the liquid metal thermoelectric converter, the Stirling engine (free piston and kinematic), and two binary (combined cycle) engines. The study indicates that the liquid metal thermoelectric converter, the Stirling engines, and the binary engines have the highest potential for cost effective dish electric systems.

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