One piece ceramic heat exchanger for concentrating solar power electric plants

Dileep Singh, Wenhua Yu, David M. France, Taylor P. Allred, I-Han Liu, Wenchao Du, Bipul Barua and Mark C. Messner

Renewable Energy, 2020, vol. 160, issue C, 1308-1315

Abstract: Using additive manufacturing techniques, a ceramic heat exchanger was optimized for a concentrating solar power (CSP) electric power plant with a corrosive molten salt at atmospheric pressure as the solar field heat transfer fluid and supercritical carbon dioxide at 200 bar as the power block fluid. Temperatures ranged from 750 °C to 540 °C. The plant heat exchanger was optimized for heat transfer and stress using 1 m3 modules arranged in parallel. Heat transfer was optimized using COMSOL Multiphysics software resulting in a unique semi-elliptical cross section for the fluid flow channels in a counter-flow configuration. Counter-flow was made possible through additive manufacturing of the fluid headers as part of each modular heat exchanger thus producing the entire module as a single piece and minimizing cost. Using reasonable parametric values, a heat exchanger module was optimized to 0.5 MW/m3, and a section of it was manufactured including the fluid headers. Parametric studies showed the potential for a module to reach 3.5 MW/m3.

Keywords: Concentrating solar power; Additive manufacturing; Modular heat exchanger; Ceramic heat exchanger (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:160:y:2020:i:c:p:1308-1315

DOI: 10.1016/j.renene.2020.07.070

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