The volumetric effect indicator – A new dimensionless characteristic number for the optimum design and operation of volumetric solar receivers

Zaversky, Fritz; Rández, Xabier; Baigorri, Javier; Sánchez, Marcelino

doi:10.1016/j.solener.2023.04.054

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“…Due to the inhomogeneous air outlet temperature at cup level, no reliable experimental confirmation of the receiver efficiency could be obtained during the CAPTure project's experimental activity, unfortunately. Therefore, additional high-temperature tests have been performed at the Synlight facility [7] at DLR (thanks to SFERA-III framework) with one single absorber module (≈ 14 x 14 cm of aperture) [8]. A tailored transportable thermal loop has been designed and constructed (Fig.…”

Section: Experimental Validationmentioning

confidence: 99%

A Cost-Effective Open Volumetric Air Receiver Design Based on Free Floating Stackable Absorber Modules

Zaversky,

Rández,

Baigorri

et al. 2024

SolarPACES Conf Proc

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The CAPTure Open Volumetric Air Receiver (OVAR) design is based on ceramic stackable “free floating” absorber modules that form the receiver structure and avoid a complex metallic double membrane design. The novel receiver design has been validated at small-scale (15 kWth) at a solar simulator, as well as on the top of an experimental tower at 300 kWth, up to absorber module outlet temperatures above 900ºC. The novel OVAR concept is attractive for both the concentrated solar power (CSP) sector, as well as for high-temperature process heat supply. The thermal efficiency of the receiver concept is expected to be above 80% at outlet temperatures of 900ºC.

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Section: Experimental Validationmentioning

confidence: 99%