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Title: Study of the project parameters influence in the performance of solar collectors.
Authors: Mapa, Lidianne de Paula Pinto
Mendes, Bárbara de Morais
Bortolaia, Luis Antônio
Leal, Elisângela Martins
Keywords: Coefficient of energy loss
Instantaneous efficiency
Optical efficiency
Plane solar collector
Useful energy gain
Issue Date: 2019
Citation: MAPA, L. de P. P. et al. Study of the project parameters influence in the performance of solar collectors. International Journal of Heat and Technology, v. 37, n. 1, p. 313-321, mar. 2019. Disponível em: <>. Acesso em: 10 mar. 2020.
Abstract: This paper aims to observe the influence of design parameters on the performance of plane solar collectors. From the energy balance of the plane solar collector, the mathematical model was implemented varying the following design parameters: (i) Thickness of the absorber plate; (ii) Distance between the absorber and the cover; (iii) Edge insulation thickness; (iv) Absorber emittance; (v) Conductivity of the absorber; (vi) Convective heat transfer coefficient inside the tubes; (vii) Distance between tubes; (viii) Wind velocity; (ix) Solar radiation incident; and (x) Back insulation thickness. These parameters were altered observing the influence on the optical efficiency; the coefficient of energy loss; the instantaneous efficiency; and the useful energy gain. From the results, it is possible to see that the parameters that most influence the performance of the solar collector are the distance between the absorber and the cover, the absorber emittance, the thermal conductivity of the absorber, the distance between tubes, wind speed and solar radiation incident.
ISSN: 0392-8764
Appears in Collections:DEMEC - Artigos publicados em periódicos

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