Estimation of symmetric and asymmetric hourly global and diffuse radiation from daily values

Estimation of symmetric and asymmetric hourly global and diffuse radiation from daily values

The validity of the correlations[1–3] to estimate the hourly global and diffuse solar radiation components for an independent dataset of fourteen locations is examined in this article. The correlations for the diffuse component[2,3] are found to be in rather poor agreement with the data. An improved...

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Veröffentlicht in:Solar energy 1992, Vol.48 (1), p.7-14
Hauptverfasser: Satyamurty, V.V., Lahiri, P.K.
Format: Artikel
Sprache:eng
Schlagworte:
140100 - Solar Energy- Resources & Availability
Applied sciences
ASYMMETRY
AVAILABILITY
BANQUE DE DONNEES
BASES DE DATOS
COMPONENTS
CORRELATION
CORRELATIONS
DIFFUSE SOLAR RADIATION
ELEMENT DE MATERIEL
ELEMENTOS DE MAQUINARIA
ENERGIA SOLAR
ENERGIE SOLAIRE
Energy
EQUIPMENT PARTS
Exact sciences and technology
INDE
INDIA
INSOLATION
MEASURING METHODS
Natural energy
Radiation
RADIATIONS
SOLAR ENERGY
SOLAR FLUX
SOLAR RADIATION
STELLAR RADIATION
Sun
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Zusammenfassung:The validity of the correlations[1–3] to estimate the hourly global and diffuse solar radiation components for an independent dataset of fourteen locations is examined in this article. The correlations for the diffuse component[2,3] are found to be in rather poor agreement with the data. An improved correlation for the diffuse component that includes a daily diffuse fraction as a parameter is developed. The influence of this improved correlation on estimating the beam radiation component is examined. A convenient form of describing asymmetry for these three components of solar radiation distribution is proposed and validated.
ISSN:0038-092X
1471-1257
DOI:10.1016/0038-092X(92)90171-6