Pregled bibliografske jedinice broj: 138123
Comparison Between Different Models for Calculation of Solar Irradiation in Solar Thermal System Sizing
Comparison Between Different Models for Calculation of Solar Irradiation in Solar Thermal System Sizing // Proceedings of Interklima 2003 17th International Symposium of Heating, Refrigerating and Air-Conditioning / Galaso, Ivan ; Švaić, Srećko (ur.).
Zagreb: Fakultet strojarstva i brodogradnje Sveučilišta u Zagrebu, 2003. str. 81-90 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)
CROSBI ID: 138123 Za ispravke kontaktirajte CROSBI podršku putem web obrasca
Naslov
Comparison Between Different Models for Calculation of Solar Irradiation in Solar Thermal System Sizing
Autori
Balen, Igor ; Dović, Damir
Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni
Izvornik
Proceedings of Interklima 2003 17th International Symposium of Heating, Refrigerating and Air-Conditioning
/ Galaso, Ivan ; Švaić, Srećko - Zagreb : Fakultet strojarstva i brodogradnje Sveučilišta u Zagrebu, 2003, 81-90
Skup
Interklima 2003 17. međunarodni simpozij o grijanju, hlađenju i klimatizaciji
Mjesto i datum
Zagreb, Hrvatska, 10.04.2003. - 11.04.2003
Vrsta sudjelovanja
Predavanje
Vrsta recenzije
Međunarodna recenzija
Ključne riječi
calculation model; solar hot water system; solar collector; solar irradiation
Sažetak
Normally, solar collector is mounted inclined to the horizontal plane and, at the same time, oriented at the certain azimuth angle. In order to properly size a solar system, it is necessary to calculate hourly, daily, monthly or yearly values of solar incident irradiation on the collector surface. This work provides comparison between the three models for calculation of solar irradiation of the angled surface widely encountered in the engineering applications, performed for the local area of the city of Zagreb. First, more comprehensive model is based on the hourly meteorological data, whilst the second simpler one uses empirical coefficients for typical day in a particular month. Third model represents to some extent a combination of the previous ones. The results presented in the charts reveal rather small differences between the first and third model, both based on measured hourly values, while large discrepancies appear in the second model relative to the other models. Therefore, the third model appears to be more appropriate when sizing vast majority of the solar hot water systems. The same applies for the first model provided it is simplified by using averaged hourly values for a typical day instead of a large data record for every day in a month.
Izvorni jezik
Engleski
Znanstvena područja
Strojarstvo
