Thermal and Mechanical Analysis of a Multi-Stage Solid Particle Receiver with Inclined Obstacles Using Yade

Thermal and Mechanical Analysis of a Multi-Stage Solid Particle Receiver with Inclined Obstacles Using Yade

Hajar RATI, Mohammed Hassan KHALILI

Abstract. This paper examines how inclination of obstacles affects the behavior of particles inside a solid particle receiver (SPR) in the use of concentrated solar power (CSP). A 3-D Yade Discrete Element Method (DEM) model was created to test the flow of the particles at four inclination degrees (5°, 15°, 18° and 20°). It is demonstrated that with the inclination being increased from 5° to 20°, the residence time improves by a factor of 3 (2.6 to 7.9 s) and the frequency of the particle- to-wall interaction improves by 43% which results in higher heat absorption potential. The best set (20°) had 68% increase in mean residence time with consistent distribution of particles and no clogging. These results substantiate that a controlled inclination will enhance thermal performance and stability in the next generation SPR prototyping, supporting the shift towards continuous and high-temperature solar thermal systems.

Keywords
Solar Power (CSP), Solid Particle Receiver (SPR), Inclined Obstacles, Particle Flow Simulation, Thermal Efficiency, Yade DEM

Published online 4/25/2026, 8 pages
Copyright © 2026 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA

Citation: Hajar RATI, Mohammed Hassan KHALILI, Thermal and Mechanical Analysis of a Multi-Stage Solid Particle Receiver with Inclined Obstacles Using Yade, Materials Research Proceedings, Vol. 64, pp 99-106, 2026

DOI: https://doi.org/10.21741/9781644904091-13

The article was published as article 13 of the book Energy Futures

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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