TY - GEN
T1 - On the estimation of daily beam radiation on tilted surfaces
AU - Li, Guihua
AU - Yang, Yuqin
AU - Tang, Runsheng
PY - 2011/11/16
Y1 - 2011/11/16
N2 - In practical applications, it is essential to calculate the daily beam radiation on a tilted surface. The widely used correlation for estimating daily beam radiation on a tilted surface is the one suggested by Liu and Jordan. However, the method of Liu and Jordan was developed based on the assumption of no atmosphere over the earth, and is a typical approximate method. Results obtained in this work show that the deviation of annual collectible beam radiation on a tilted surface calculated based on Liu and Jordan method from those obtained based on monthly horizontal radiation and radiation predicted from clear sky situation increases with the increase in tilt and azimuth angles, Liu and Jordan method is suitable to estimate daily or annual beam radiation on a tilted surface with an azimuth angle less than 15, otherwise, other methods should be used.
AB - In practical applications, it is essential to calculate the daily beam radiation on a tilted surface. The widely used correlation for estimating daily beam radiation on a tilted surface is the one suggested by Liu and Jordan. However, the method of Liu and Jordan was developed based on the assumption of no atmosphere over the earth, and is a typical approximate method. Results obtained in this work show that the deviation of annual collectible beam radiation on a tilted surface calculated based on Liu and Jordan method from those obtained based on monthly horizontal radiation and radiation predicted from clear sky situation increases with the increase in tilt and azimuth angles, Liu and Jordan method is suitable to estimate daily or annual beam radiation on a tilted surface with an azimuth angle less than 15, otherwise, other methods should be used.
KW - Beam radiation
KW - Deviation of estimations
KW - Liu and Jordan method
KW - Tilted surfaces
UR - https://www.scopus.com/pages/publications/80955125254
U2 - 10.1109/ICECENG.2011.6058344
DO - 10.1109/ICECENG.2011.6058344
M3 - Conference contribution
AN - SCOPUS:80955125254
SN - 9781424481637
T3 - 2011 International Conference on Electrical and Control Engineering, ICECE 2011 - Proceedings
SP - 3552
EP - 3555
BT - 2011 International Conference on Electrical and Control Engineering, ICECE 2011 - Proceedings
T2 - 2nd Annual Conference on Electrical and Control Engineering, ICECE 2011
Y2 - 16 September 2011 through 18 September 2011
ER -