Dynamic simulation and experimental validation of an open air receiver and a thermal energy storage system for solar thermal power plant

Qing Li, Fengwu Bai, Bei Yang, Zhifeng Wang, Baligh El Hefni, Sijie Liu, Syuichi Kubo, Hiroaki Kiriki and Mingxu Han

Applied Energy, 2016, vol. 178, issue C, 293 pages

Abstract: The transient performance of solar thermal power plants is critical to the system design and optimization. This study numerically investigates the dynamic efficiencies of an open-loop air receiver and a thermal energy storage unit. One-dimensional dynamic models of the air receiver and thermal energy storage were developed using the Modelica language with a graphical user interface and the Dymola solver to provide comprehensive thermal simulation at low computational cost. An air receiver and thermal energy storage experimental platforms were built to validate the simulation models. The simulation results compare well with the experimental data, so the models can be used to predict the variations of air receiver and thermal energy storage efficiencies. The models were then combined into a receiver and thermal energy storage system model with control schemes. The schemes control the air receiver outlet air temperature at relatively stable values while the thermal energy storage automatically switches between charging, discharging and stand-by modes.

Keywords: Solar thermal power plants; Dynamic simulations; Air receiver; Thermal energy storage; Modelica language; Experimental validation (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (16)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:178:y:2016:i:c:p:281-293

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DOI: 10.1016/j.apenergy.2016.06.056

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