Prediction of global radiation by means of the differential Ångstrom model

D. Yeboah-Amankwah and K. Agyeman

Renewable Energy, 1991, vol. 1, issue 5, 769-773

Abstract: The differential Ångstrom model has been applied to transform the 1985–1987 sunshine records of Motupore Island to insolation data. The a and b regression parameters from the Waigani (UPNG) station, which is 15 km away, have been employed for this. The regression of the data calculated on the measured daily insolation shows a 0.90 regression coefficient, while that of the data calculated on the measured monthly mean daily insolation yields a high 0.98. The calculated insolation successfully predicts the measured mean daily insolation to within 5.5% at 99% level of confidence—a promising result, since the measured insolation is known to only 5%.

Date: 1991
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:1:y:1991:i:5:p:769-773

DOI: 10.1016/0960-1481(91)90025-K

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