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 …

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 …

Performance analysis of azimuth tracking fixed mirror solar concentrator

L Li, H Li, Q Xu, W Huang - Renewable Energy, 2015 - Elsevier
The fixed mirror solar collector (FMSC) fixes reflector and mobiles receiver to collect solar
energy. However, this type of concentrator has a low efficiency and short operating duration …

Optical and thermal characterization procedure for a variable geometry concentrator: A standard approach

F Sallaberry, R Pujol-Nadal, V Martínez-Moll… - Renewable energy, 2014 - Elsevier
Concentrating solar collectors are mentioned in the International Standards, but the general
testing methods for solar collectors mentioned cannot easily be applied to such unusual …

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 …

Parametric analysis of the fixed mirror solar concentrator for medium temperature applications

R Pujol-Nadal, V Martínez-Moll… - Journal of solar …, 2014 - asmedigitalcollection.asme.org
The fixed mirror solar concentrator (FMSC) possesses a geometry that can produce thermal
energy in medium temperature range. Due to its static reflector, the FMSC has several …

Compact, semi-passive beam steering prism array for solar concentrators

C Zheng, Q Li, G Rosengarten, E Hawkes, RA Taylor - Applied optics, 2017 - opg.optica.org
In order to maximize solar energy utilization in a limited space (eg, rooftops), solar collectors
should track the sun. As an alternative to rotational tracking systems, this paper presents a …

Parametric analysis of the curved slats fixed mirror solar concentrator for medium temperature applications

R Pujol-Nadal, V Martínez-Moll - Energy conversion and management, 2014 - Elsevier
Abstract The Curved Slats Fixed Mirror Solar Concentrator (CSFMSC) is a solar concentrator
with a static reflector and a moving receiver. An optical analysis using ray-tracing tools was …

Toward a standard testing methodology for solar thermal collectors with variable-geometry: The direct radiation incidence angle modifier issue

F Sallaberry, R Pujol-Nadal, AG de Jalón… - Solar Energy, 2015 - Elsevier
Solar thermal energy is able to provide a considerable fraction of the medium-temperature
energy demand and should be more widely used in specific industrial sectors in 100–250° C …