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2010 | 19 | 1 |

Tytuł artykułu

Thermal solar collector behaviour in Romania

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
Our study of thermal solar collectors' behaviour in a transitory regime covered a period of 9 months, from August 2007 to May 2008. The data were measured using two pyranometers (one shaded) and were recorded into a database with a baud rate of 50 seconds. Sun a position was calculated using a previously reported mathematical model embedded into an online software application. Standard technical parameters of solar thermal collectors were used to estimate their efficiency at the measuring location. Results reflect the particular conditions at Cluj-Napoca, Romania, and provide a local solar energy potential evaluation. Influences of a collector's type and time of year on thermal solar collectors' efficiency, thermal power, and accumulated heat are given. The described methodology and procedure of assessment are general and may be applied anywhere.

Wydawca

-

Rocznik

Tom

19

Numer

1

Opis fizyczny

p.231-241,fig.,ref.

Twórcy

autor
  • Technical University of Cluj Napoca, 103-105 Muncii Bvd, 400641 Cluj-Napoca, Romania
autor
autor
autor

Bibliografia

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  • 2. KOFFI P. M.E., ANDOH H.Y., GBAHA P., TOURE S., ADO G. Theoretical and experimental study of solar water heater with internal exchanger using thermosiphon system. Energy Conversion and Management, 49, (8), 2279, 2008.
  • 3. DUBEY S., TIWARI G. N. Thermal modeling of a combined system of photovoltaic thermal (PV/T) solar water heater. Solar Energy, 82, (7), 602, 2008.
  • 4. ROJAS D., BEERMANN J., KLEIN S. A., REINDL D. T. Thermal performance testing of flat-plate collectors. Solar Energy, 82, (8), 746, 2008.
  • 5. TANIGUCHI M., HIRASAWA S., NAKAUCHI S., TANAKA T. Study of characteristic of evacuated flat plate type solar collector with flow boiling. ASME International Mechanical Engineering Congress and Exposition 2008; Proceedings, 6, 343, 2008.
  • 6. BILGEN E., BAKEKA B. J. D. Solar collector systems to provide hot air in rural applications, Renewable Energy, 33, (7), 1461, 2008.
  • 7. GUEYMARD C. A. Advanced solar irradiance model and procedure for spectral solar heat gain calculation. ASHRAE Transactions, 113, (1), 149, 2007.
  • 8. MZAD H. Prediction of thermal performance of doubleglazed solar collector. Archives of Thermodynamics, 29, (1), 69, 2008.
  • 9. GUEYMARD C. A. Interdisciplinary applications of a versatile spectral solar irradiance model: A review. Energy, 30, (9), 1551, 2005.
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  • 12. BĂLAN M. C., DAMIAN M., JANTSCHI L. Preliminary Results on Design and Implementation of a Solar Radiation Monitoring System. Sensors, 8, 963, 2008.
  • 13. KAPLANIS S., KAPLANIS E. A model to predict expected mean and stochastic hourly global solar radiation I(h;nj) values, Renewable Energy, 8, 1414, 2007.
  • 14. MYERS D. R. Solar radiation modeling and measurements for renewable energy applications: Data and model quality. Energy, 30, (9), 1517, 2005.
  • 15. PEUSER F. A., REMMERS K. H., SCHNAUSS M. Solar Thermal Systems: Successful Planning and Construction. Solarpraxis, Berlin, 2002.
  • 16. QUASCHNING V., Understanding Renewable Energy Systems, Earthscan, London 2007.
  • 17. LIU B. Y., JORDAN R. C. The Long Term Average Performance of Flat-Plate Solar-Energy Collectors. Solar Energy, 7, (2), 53, 1963.
  • 18. KLUCHER T. M. Evaluation of models to predict insolation on tilted surfaces. National Aeronautics and Space Administration. Lewis Research Center, pp. 1-30, 1978.
  • 19. ESBENSEN T. V., KORSGAARD V. Dimensioning of the solar heating system in the zero energy house in Denmark. Solar Energy, 19, (2), 195, 1977.
  • 20. YU Z. T., HU Y. C., HONG R. H., CEN K. F. Investigation and analysis on a cellular heat pipe flat solar heater. Heat and Mass Transfer, 42, (2), 122, 2005.
  • 21. BOLBOACĂ S. D., JANTSCHI L. Pearson Versus Spearman, Kendall's Tau Correlation Analysis on Structure-Activity Relationships of Biologic Active Compounds, Leonardo Journal of Sciences 5, (9), 179, 2006.

Typ dokumentu

Bibliografia

Identyfikatory

Identyfikator YADDA

bwmeta1.element.agro-article-1d142a99-0f20-4c32-a968-27b9faecbe34
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