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Evaluation of surface slope irregularity in linear parabolic solar collectors

  Articoli su Riviste JCR/ISI  (anno 2012)

Autori:  Francini F., Fontani D., Sansoni P., Mercatelli L., Jafrancesco D., Sani E

Affiliazione Autori:  CNR - Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy

Riassunto:  The paper describes a methodology, very simple in its application, formeasuring surface irregularities of linear parabolic collectors. This technique was principally developed to be applied in cases where it is difficult to use cumbersome instruments and to facilitate logistic management. The instruments to be employed are a digital camera and a grating. If the reflector surface is defective, the image of the grating, reflected on the solar collector, appears distorted. Analyzing the reflected image, we can obtain the local slope of the defective surface. These profilometric tests are useful to identify and monitor the mirror portions under mechanical stress and to estimate the losses caused by the light rays deflected outside the absorber.

Rivista/Giornale:  INTERNATIONAL JOURNAL OF PHOTOENERGY
Volume n.:  2012      Pagine da: 921780-1  a: 921780-6
Ulteriori informazioni:  The work was developed within the Solar Assisted Cooling Toscana. (S.A.L.TO.) research integrated Project POR Ob. 3 Toscana 2000/2006 Misura D4, partially financed by the REGIONE TOSCANA-settore Promozione e sostegno della Ricerca. Thanks are due to CREAR and Department of Engineering of the Florence University for the realization of solar cooling systems, in collaboration with the industrial partners, FAIT group, and CEVIT.
DOI: 10.1155/2012/921780

*Impact Factor della Rivista: (2012) 2.663   *Citazioni: 8
data tratti da "WEB OF SCIENCE" (marchio registrato di Thomson Reuters) ed aggiornati a:  19/05/2019

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