![]() Serth, PROCESS HEAT TRANSFER Principles, Applications and Rules (2014). (American Society of Mechanical Engineers, 1984), pp. Kolb, An Evaluation of Possible Next-Generation High-Temperature Molten-Salt Power Towers (2011). Corporation, Investigation of Thermal Storage and Steam Generator Issues (1993). The thermal stress evolution on the steam drum is calculated as key component of the steam generator. A temperature change rate that ensures safe hot start-up conditions is studied for the molten salt. Then, dynamic models for the main parts of the steam generator are developed to represent its transient performance. A conceptual steam generator design is proposed and associated heat transfer areas and steam drum size are calculated. The aim of this work is to analyze different steam generator designs for solar power tower plants using molten salt as heat transfer fluid. For these reasons, it is important to evaluate the transient behavior of the proposed designs in order to assure the reliability. Continuous operational conditions may eventually lead to a material failure. However, it involves high thermal stresses on thick-walled components. Faster start-up and load changes increase the plant flexibility and the daily energy production. Since the operation of a concentrating solar power plant depends on the intermittent character of solar energy, the steam generator is subject to daily start-ups, stops and load variations.
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