Publication
Deriva intrínseca en heliostatos
| dc.contributor.author | Martínez-Hernández, A. | |
| dc.contributor.author | Bravo, I. | |
| dc.contributor.author | Romero, Manuel | |
| dc.contributor.author | González-Aguilar, J. | |
| dc.date.accessioned | 2020-11-17T17:20:08Z | |
| dc.date.available | 2020-11-17T17:20:08Z | |
| dc.date.issued | 2020-11 | |
| dc.description | CIES2020 - XVII Congresso Ibérico e XIII Congresso Ibero-americano de Energia Solar | pt_PT |
| dc.description.abstract | RESUMEN: En este trabajo se analiza numéricamente, mediante simulaciones de trazado de rayos basadas en él método de Montecarlo, la deriva intrínseca en heliostatos debida al hecho de que el rayo central no necesariamente coincide con el centro de gravedad del mapa de flujo. La instalación de torre ubicada en el Instituto IMDEA Energía, Móstoles, Madrid (España), se ha usado como caso de prueba. La deriva se evalúa simulando los mapas de flujo de cada heliostato a distintas horas del día y calculando posteriormente sus centros de gravedad. La influencia en la deriva de la distancia focal de los heliostatos y del ángulo de proyección de la distribución de flujo sobre el blanco es investigada en detalle. Los resultados muestran la relevancia de la deriva intrínseca en heliostatos con distancias focales cortas y cómo ésta puede ser minimizada al acomodar la distancia focal del heliostato a su distancia al receptor. | pt_PT |
| dc.description.abstract | ABSTRACT: In this work, we numerically evaluate with Monte Carlo ray-tracing simulations the intrinsic drift in heliostats. This drift is associated to the fact that the central ray does not necessarily coincide with the center of gravity of the flux map. For this investigation, the solar tower facility located at IMDEA Energy in Móstoles, Madrid (Spain) is used as a test case. By simulating flux maps at different times of the day and representing their centers of gravity the intrinsic drift is evaluated. The influence on the drift of the focal length of the heliostats and the projection angle of the flux distribution on the target is investigated in detail. Results show the relevance of the intrinsic drift in heliostats with short focal lengths and how this drift can be reduced by making the focal length of the heliostat closer to its slant range. | pt_PT |
| dc.description.version | info:eu-repo/semantics/publishedVersion | pt_PT |
| dc.identifier.citation | Martínez-Hernández, A... [et.al.] - Deriva intrínseca en heliostato. In: CIES2020: As Energias Renováveis na Transição Energética: Livro de Comunicações do XVII Congresso Ibérico e XIII Congresso Ibero-americano de Energia Solar. Helder Gonçalves, Manuel Romero (Ed.). Lisboa, Portugal: LNEG, 3-5 Novembro, 2020, p. 421-428 | pt_PT |
| dc.identifier.doi | 10.34637/cies2020.1.2048 | pt_PT |
| dc.identifier.isbn | 978-989-675-076-3 | |
| dc.identifier.uri | http://hdl.handle.net/10400.9/3386 | |
| dc.language.iso | spa | pt_PT |
| dc.peerreviewed | yes | pt_PT |
| dc.publisher | LNEG - Laboratório Nacional de Energia e Geologia | pt_PT |
| dc.relation.publisherversion | https://doi.org/10.34637/cies2020.1.2048 | pt_PT |
| dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | pt_PT |
| dc.subject | Solar energy | pt_PT |
| dc.subject | Concentrated solar power | pt_PT |
| dc.subject | Heliostat | pt_PT |
| dc.title | Deriva intrínseca en heliostatos | pt_PT |
| dc.type | conference object | |
| dspace.entity.type | Publication | |
| oaire.citation.conferencePlace | Lisboa, Portugal | pt_PT |
| oaire.citation.endPage | 428 | pt_PT |
| oaire.citation.startPage | 421 | pt_PT |
| oaire.citation.title | CIES2020 - XVII Congresso Ibérico e XIII Congresso Ibero-americano de Energia Solar | pt_PT |
| rcaap.rights | openAccess | pt_PT |
| rcaap.type | conferenceObject | pt_PT |
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