SAEED, Rageh et al. Opacity Measurement of Particle Curtain of Obstructed Flow Particle Heating Receivers. SolarPACES Conference Proceedings, [S. l.], v. 3, 2025. DOI: 10.52825/solarpaces.v3i.2453. Disponível em: https://www.tib-op.org/ojs/index.php/solarpaces/article/view/2453. Acesso em: 29 apr. 2026.