Comparison of two models for a high temperature reactor coupled to a gas turbine |
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| Authors: | E C Verkerk J F Kikstra |
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| Affiliation: | a Nuclear Research and Consultancy Group (NRG), P.O. Box 1, NL-1755 ZG, Petten, The Netherlands;b Faculty of Mechanical Engineering and Marine Technology, Delft Technical University, Mekelweg 2, NL-2628 CD, Delft, The Netherlands |
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| Abstract: | This paper presents two independent dynamic models of a nuclear gas turbine power plant. Both the high temperature nuclear reactor (HTR) and its energy conversion system (ECS) based on a direct Brayton cycle have been modelled. One model utilises RELAP5 for the ECS, the other Aspen Custom Modeler (ACM). The reactor model used in both models is a point kinetic model derived from a detailed reactor model. The ECS model is described and compared componentwise, with an emphasis on the turbomachinery. The total plant models are compared with each other by calculating two representative transients: one load rejection transient and one transient with the system at part load. |
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