Discrete Element Method Modelling of the Particle Flow in Centrifugal Solar Particle Receiver

Authors

DOI:

https://doi.org/10.52825/solarpaces.v1i.718

Keywords:

Particle Receivers , Discrete Element Method, Concentrating Solar Power, Centrifugal Solar Particle Receiver

Abstract

The centrifugal solar particle receiver (CentRec) is a promising design compared to other particle receiver concepts because it allows for an active adjustment of particle residence time and particle outlet temperature by adjusting the rotational speed of the drum and particle mass flow rate. A Discrete Element Method (DEM) tool is utilized to model the particle flow in CentRec. However, the numerical modeling of the particle flow in large scale receiver is computationally infeasible because of excessive number of particles in the simulation. Thus, in this study, a scale down approach is developed and validated to be used to estimate the particle film characteristics in large scale receivers. The particle velocity profile and film thickness distribution are employed to compare different receiver sizes.

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References

W. Wu, "A centrifugal particle receiver for high-temperature solar applications," Ph.D. Thesis, RWTH Aachen University, Aachen, Germany, 2014.

S. Hicdurmaz, E. Johnson, J. Grobbel, L. Amsbeck, R. Buck, and B. Hoffschmidt, "Numerical Heat Transfer Modelling of a Centrifugal Solar Particle Receiver (accepted)," presented at the SolarPACES, Virtual Conference, September 28 - October 2, 2020. https://doi.org/10.1063/5.0086375

S. Hicdurmaz, J. Grobbel, R. Buck, and B. Hoffschmidt, "A numerical radiation model for the centrifugal particle solar receiver," in AIP Conference Proceedings, Virtual, Online, September 27 – October 1 2021: AIP Conference Proceedings. (accepted)

J. Grobbel, "Modeling Solar Particle Receivers with the Discrete Element Method," Ph.D. Thesis, RWTH Aachen University, Aachen, Germany, 2019. 10.18154/RWTH-2020-01764

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S. Hicdurmaz, "Numerical and Experimental Investigation of Centrifugal Solar Particle Receiver," Ph.D. Thesis, RWTH Aachen University, 2023. (Under Review)

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S. Hicdurmaz, R. Buck, and B. Hoffschmidt, "Image Analysis of Particle Flow in Cent rifugal Solar Particle Receiver," in Energy Sustainability, Virtual, Online June 16–18, 2021 2021: ASME, https://doi.org/10.1115/ES2021-63763

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Published

2024-02-19

How to Cite

Hicdurmaz, S., Buck, R., & Hoffschmidt, B. (2024). Discrete Element Method Modelling of the Particle Flow in Centrifugal Solar Particle Receiver. SolarPACES Conference Proceedings, 1. https://doi.org/10.52825/solarpaces.v1i.718

Conference Proceedings Volume

Section

Receivers and Heat Transfer Media and Transport: Point Focus Systems