A survey of methods for the evaluation of reflective solar concentrator optics

CA Arancibia-Bulnes, MI Peña-Cruz… - … and Sustainable Energy …, 2017 - Elsevier
The optical quality of concentrators has a direct impact on the thermal efficiency of
concentrating solar power plants. There is a need to evaluate the quality of the mirrors …

Direct tracking error characterization on a single-axis solar tracker

F Sallaberry, R Pujol-Nadal, M Larcher… - Energy Conversion and …, 2015 - Elsevier
The solar trackers are devices used to orientate solar concentrating systems in order to
increase the focusing of the solar radiation on a receiver. A solar concentrator with a …

Theoretical elements for the design of a small scale Linear Fresnel Reflector: Frontal and lateral views

A Barbón, N Barbón, L Bayón, JA Otero - Solar Energy, 2016 - Elsevier
This paper addresses the problem of the mathematical design of a Linear Fresnel Reflector,
specifically the design of a reflector concentrator with flat mirrors and a single absorber tube …

Optimization of the length and position of the absorber tube in small-scale Linear Fresnel Concentrators

A Barbón, N Barbón, L Bayón, JA Otero - Renewable energy, 2016 - Elsevier
This paper presents an in-depth analysis of various aspects of small-scale Linear Fresnel
Concentrators (LFCs). As we shall see, the influence of the lateral study of the actual …

Estimation of the influence of different incidence angle modifier models on the biaxial factorization approach

JD Hertel, V Martinez-Moll, R Pujol-Nadal - Energy Conversion and …, 2015 - Elsevier
To minimize the experimental effort of assessing biaxial incidence angle characteristics of
solar collectors with complex geometries, current testing standards (EN 12975-2, ASHRAE …

Optical losses due to tracking error estimation for a low concentrating solar collector

F Sallaberry, AG de Jalón, JL Torres… - Energy Conversion and …, 2015 - Elsevier
The determination of the accuracy of a solar tracker used in domestic hot water solar
collectors is not yet standardized. However, while using optical concentration devices, it is …

Improved in situ performance testing of line-concentrating solar collectors: Comprehensive uncertainty analysis for the selection of measurement instrumentation

A Zirkel-Hofer, S Perry, S Fahr, K Kramer, A Heimsath… - Applied energy, 2016 - Elsevier
Accurate and complete performance evaluation is playing a major role in the further
development of concentrating solar collectors. To ensure dependable test results, an …

Optical and thermal characterization of a variable geometry concentrator using ray-tracing tools and experimental data

R Pujol-Nadal, V Martínez-Moll, F Sallaberry… - Applied Energy, 2015 - Elsevier
Ray-tracing tools are commonly used to optically characterize solar concentrators, but the
International Standards used to certify collectors for heating do not allow the use of these …

On-site optical characterization of large-scale solar collectors through ray-tracing optimization

JD Hertel, V Canals, R Pujol-Nadal - Applied Energy, 2020 - Elsevier
In order to increase the trust and willingness to invest in concentrating solar collectors, an
accurate labeling and certification process is of utmost importance. Today's collector testing …

Optical characterization of a fixed mirror solar concentrator prototype by the ray-tracing procedure

R Pujol-Nadal, V Martínez-Moll - Journal of Renewable and …, 2014 - pubs.aip.org
The Fixed Mirror Solar Concentrator (FMSC) is a solar concentrator with static reflector and
moving receiver whose design emerged in the seventies as an effort to reduce electricity …