Hydrogen-Fueled Combustion Turbine Cycles

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Abstract
As part of its World Energy Network (WE-NET) Program, the Japanese New Energy and Industrial Technology Development Organization (NEDO) is funding a Westinghouse-led team to develop conceptual designs of hydrogen-fueled combustion turbine power plants capable of greater than 60% high heating value (HHV) thermal efficiency. The conceptual design task is taking place in the second year of the 28-year program, which has the goal of developing a hydrogen-based renewable energy economy. Due to the requirement that the power plant must be environmentally benign, special closed cycles are being investigated which will meet the requirements of the program while allowing for pilot plant testing in the near future. This paper investigates a variety of possible cycle configurations and working fluids and describes the selection methodology used to identify the best candidate. Optimization of the selected cycle is then described, which results in the basis for the conceptual design.

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