Estimating direct, diffuse, and global solar radiation for various cities in Iran by two methods and their comparison with the measured data
- Univ. of Tehran (Iran, Islamic Republic of)
Two computational methods for calculating hourly, daily, and monthly average values of direct, diffuse, and global solar radiation on horizontal collectors have been presented in this article for location with different latitude, altitude, and atmospheric conditions in Iran. These methods were developed using two different independent sets of measured data from the Iranian Meteorological Organization (IMO) for two cities in Iran (Tehran and Isfahan) during 14 years of measurement for Tehran and 4 years of measurement for Isfahan. Comparison of calculated monthly average global solar radiation, using the two models for Tehran and Isfahan with measured data from the IMO, has indicated a good agreement between them. Then these developed methods were extended to another location (city of Bandar-Abbas), where measured data are not available. But the work of Daneshyar predicts its monthly global radiation. The maximum discrepancy of 7% between the developed models and the work of Daneshyar was observed.
- OSTI ID:
- 6416669
- Journal Information:
- Solar Energy (Journal of Solar Energy Science and Engineering); (United States), Vol. 50:5; ISSN 0038-092X
- Country of Publication:
- United States
- Language:
- English
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99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE
IRAN
INSOLATION
COMPARATIVE EVALUATIONS
EXPERIMENTAL DATA
FORECASTING
MATHEMATICAL MODELS
SOLAR RADIATION
VALIDATION
ASIA
DATA
DEVELOPING COUNTRIES
EVALUATION
INFORMATION
MIDDLE EAST
NUMERICAL DATA
RADIATIONS
STELLAR RADIATION
TESTING
140100* - Solar Energy- Resources & Availability
990200 - Mathematics & Computers