Nuclear Production of Hydrogen
Fourth Information Exchange Meeting, Oakbrook, Illinois, USA , 14-16 April 2009
Hydrogen has the potential to play an important role as a sustainable and environmentally acceptable energy carrier in the 21st century. This report describes the scientific and technical challenges associated with the production of hydrogen using heat and/or electricity from nuclear power plants, with special emphasis on recent developments in high-temperature electrolysis and the use of different chemical thermodynamic processes. Economics and market analysis as well as safety aspects of the nuclear production of hydrogen are also discussed.
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Heat exchanger temperature response for duty-cycle transients in the NGNP/HTE
Nuclear Energy Agency
Control system studies were performed for the next generation nuclear plant (NGNP) interfaced to the high-temperature electrolysis (HTE) plant. Temperature change and associated thermal stresses are important factors in determining plant lifetime. In the NGNP the design objective of a 40-year lifetime for the intermediate heat exchanger (IHX) in particular is seen as a challenge. A control system was designed to minimise temperature changes in the IHX and more generally at all high-temperature locations in the plant for duty-cycle transients. In the NGNP this includes structures at the reactor outlet and at the inlet to the turbine.
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