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Design Evaluation of a Next-Generation High-Temperature Particle Receiver for Concentrating Solar Thermal Applications

Sandia National Laboratories, Albuquerque, NM 87185, USA
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Academic Editor: Abdul-Ghani Olabi
Energies 2022, 15(5), 1657; https://doi.org/10.3390/en15051657
Received: 31 December 2021 / Revised: 2 February 2022 / Accepted: 7 February 2022 / Published: 23 February 2022
High-temperature particle receivers are being developed to achieve temperatures in excess of 700 °C for advanced power cycles and solar thermochemical processes. This paper describes designs and features of a falling particle receiver system that has been evaluated and tested at the National Solar Thermal Test Facility at Sandia National Laboratories. These advanced designs are intended to reduce heat losses and increase the thermal efficiency. Novel features include aperture covers, active air flow, particle flow obstructions, and optimized receiver shapes that minimize advective heat losses, increase particle curtain opacity and uniformity, and reduce cavity wall temperatures. Control systems are implemented in recent on-sun tests to maintain a desired particle outlet temperature using an automated closed-loop proportional–integral–derivative controller. These tests demonstrate the ability to achieve and maintain particle outlet temperatures approaching 800 °C with efficiencies between 60 and 90%, depending on incident power, mass flow, and environmental conditions. Lessons learned regarding the testing of design features and overall receiver operation are also presented. View Full-Text
Keywords: concentrating solar power; particles; falling particle receiver concentrating solar power; particles; falling particle receiver
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MDPI and ACS Style

Mills, B.H.; Ho, C.K.; Schroeder, N.R.; Shaeffer, R.; Laubscher, H.F.; Albrecht, K.J. Design Evaluation of a Next-Generation High-Temperature Particle Receiver for Concentrating Solar Thermal Applications. Energies 2022, 15, 1657. https://doi.org/10.3390/en15051657

AMA Style

Mills BH, Ho CK, Schroeder NR, Shaeffer R, Laubscher HF, Albrecht KJ. Design Evaluation of a Next-Generation High-Temperature Particle Receiver for Concentrating Solar Thermal Applications. Energies. 2022; 15(5):1657. https://doi.org/10.3390/en15051657

Chicago/Turabian Style

Mills, Brantley H., Clifford K. Ho, Nathaniel R. Schroeder, Reid Shaeffer, Hendrik F. Laubscher, and Kevin J. Albrecht. 2022. "Design Evaluation of a Next-Generation High-Temperature Particle Receiver for Concentrating Solar Thermal Applications" Energies 15, no. 5: 1657. https://doi.org/10.3390/en15051657

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