Abstract
This paper develops a stochastic procedure for generating synthetic sets of hourly solar irradiation values, suitable for use in solar simulation design work. The daily atmospheric transmittance Kt for the day in question is broken down into hourly irradiation events by a stochastic disaggregation procedure. The necessary disaggregation models were constructed using the quasi-universal hourly atmospheric transmittance kt, instead of the irradiation itself, as the random variable. Analyses of meteorological records revealed that both the marginal probability and stochastic features of sets of hourly events kt within an individual day can be closely predicted using the Kt for the day. Results indicated that the parameters defining the disaggregation procedure were independent of geographical location. The values of kt are found to be closely modeled by a Beta distribution, and a mean correlation coefficient between successive hourly values of kt was found to be 0.54±0.14. An algorithm is described from which unlimited hourly solar irradiation data may, therefore, be generated using only the 12 monthly means of daily events, Kt.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 333-341 |
| Number of pages | 9 |
| Journal | Solar Energy |
| Volume | 44 |
| Issue number | 6 |
| DOIs | |
| State | Published - 1990 |
| Externally published | Yes |
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ASJC Scopus subject areas
- Renewable Energy, Sustainability and the Environment
- Electronic, Optical and Magnetic Materials
- Surfaces, Coatings and Films
Cite this
A method to generate synthetic hourly solar radiation globally. / Graham, Victor; Hollands, K. G T.
In: Solar Energy, Vol. 44, No. 6, 1990, p. 333-341.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - A method to generate synthetic hourly solar radiation globally
AU - Graham, Victor
AU - Hollands, K. G T
PY - 1990
Y1 - 1990
N2 - This paper develops a stochastic procedure for generating synthetic sets of hourly solar irradiation values, suitable for use in solar simulation design work. The daily atmospheric transmittance Kt for the day in question is broken down into hourly irradiation events by a stochastic disaggregation procedure. The necessary disaggregation models were constructed using the quasi-universal hourly atmospheric transmittance kt, instead of the irradiation itself, as the random variable. Analyses of meteorological records revealed that both the marginal probability and stochastic features of sets of hourly events kt within an individual day can be closely predicted using the Kt for the day. Results indicated that the parameters defining the disaggregation procedure were independent of geographical location. The values of kt are found to be closely modeled by a Beta distribution, and a mean correlation coefficient between successive hourly values of kt was found to be 0.54±0.14. An algorithm is described from which unlimited hourly solar irradiation data may, therefore, be generated using only the 12 monthly means of daily events, Kt.
AB - This paper develops a stochastic procedure for generating synthetic sets of hourly solar irradiation values, suitable for use in solar simulation design work. The daily atmospheric transmittance Kt for the day in question is broken down into hourly irradiation events by a stochastic disaggregation procedure. The necessary disaggregation models were constructed using the quasi-universal hourly atmospheric transmittance kt, instead of the irradiation itself, as the random variable. Analyses of meteorological records revealed that both the marginal probability and stochastic features of sets of hourly events kt within an individual day can be closely predicted using the Kt for the day. Results indicated that the parameters defining the disaggregation procedure were independent of geographical location. The values of kt are found to be closely modeled by a Beta distribution, and a mean correlation coefficient between successive hourly values of kt was found to be 0.54±0.14. An algorithm is described from which unlimited hourly solar irradiation data may, therefore, be generated using only the 12 monthly means of daily events, Kt.
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UR - http://www.scopus.com/inward/citedby.url?scp=0025530410&partnerID=8YFLogxK
U2 - 10.1016/0038-092X(90)90137-2
DO - 10.1016/0038-092X(90)90137-2
M3 - Article
AN - SCOPUS:0025530410
VL - 44
SP - 333
EP - 341
JO - Solar Energy
JF - Solar Energy
SN - 0038-092X
IS - 6
ER -