International Scientific Journal


In this study, the coldest days of 2022 in the Djelfa region, Algeria, were determined using astronomical and climatic data. The timing of sunrise, sunset, and duration of sunlight, as well as changes in solar radiation intensity and air temperature, were analyzed. By converting solar radiation into heat and solving differential equations, the study examined water exit temperature, thermal energy, and total yield as outputs of a renewable energy converter. The effect of different glass coverings on these outputs was also investigated. The coldest day in 2022 was found to be the first day of January, with nine hours and 43 minutes of sunlight, a maximum solar radiation intensity of 670.34 MW/m², and a maximum air temperature of 16.9°C. The outputs of the solar center followed a parabolic pattern for the first two parameters and increased over time for the remaining outputs, regardless of the glass type. However, using glass with a high emission coefficient, such as clear monochromatic glass, resulted in the highest values for the outputs: 52.57°C, 7.5 kW, 162 MW, and 70.62%. By understanding solar energy conversion and thermal behavior, the study contributes to energy-efficient designs and renewable integration, aiding in sustainable urban development. Findings can inform decision-makers in optimizing material selection, promoting resilient infrastructure, and advancing sustainable practices for a low-carbon future.
PAPER REVISED: 2022-12-29
PAPER ACCEPTED: 2023-04-30
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THERMAL SCIENCE YEAR 2023, VOLUME 27, ISSUE Issue 4, PAGES [3251 - 3260]
  1. Abbood, M. H., et al., Design, Construction, and Testing of a Parabolic Trough Solar Concentrator System for Hot Water and Moderate Temperature Steam Generation, Kufa Journal of Engineering, 9 (2018) 1, pp. 42-59
  2. Naveenkumar, R., et al., Comprehensive Review on Various Parameters that Influence the Performance of Parabolic Trough Collector, Environmental Science and Pollution Research, 28 (2021), Mar., pp. 22310-22333
  3. Allam, M., et al., Experimental Investigation on Performance Enhancement of Parabolic Trough Concentrator with Helical Rotating Shaft Insert, Sustainability, 14 (2022) 22, 14667
  4. Kasem, M. M., Multiobjective Design Optimization of Parabolic Trough Collectors, Scientific Reports, 12 (2022) 1, 19964
  5. Indira, S. S., et al., Optical Performance of a Hybrid Compound Parabolic Concentrator and Parabolic Trough Concentrator System for Dual Concentration, Sustainable Energy Technologies and Assessments, 47 (2021), Oct., 101538
  6. Manikandan, K. S., et al., Parametric Study of Solar Parabolic Trough Collector System, Asian Journal of Applied Sciences, 5 (2012), 6, pp. 384-393
  7. Fatouh, M., et al., Performance of a Solar Thermal Parabolic Trough Concentrator for Industrial Process Heat (IPH) Applications in Egypt, in International Solar Energy Conference, 36762 (2003), Jan., pp. 269-278
  8. Wirz, M., et al., Potential Improvements in the Optical and Thermal Efficiencies of Parabolic Trough Concentrators, Solar Energy, 107 (2014), Sept., pp. 398-414
  9. Saad, B., et al., Thermal Enhancement of Parabolic Trough Collectors using Absorber Tubes with Internally longitudinal Round Edge Fins, Engineering Research Journal, 173 (2022), Mar., pp. 356-375
  10. Habchi, A., et al., Performance Study of a New Parabolic Trough Design Under Optical Concentrator Effect, Applied Thermal Engineering, 219 (2023), Jan., 119500
  11. Gong, J. H., et al., Optical, Thermal and Thermo-Mechanical Model for a Larger-Aperture Parabolic Trough Concentrator System Consisting of a Novel Flat Secondary Reflector and an Improved Absorber Tube, Solar Energy, 240 (2022), July, pp. 376-387
  12. Jing-Hu, G., et al., Performance Optimization of Larger-Aperture Parabolic Trough Concentrator Solar Power Station Using Multi-Stage Heating Technology, Energy, 268 (2023), Apr., 126640
  13. Azizi, M., et al., Evaluation of Mono and Hybrid Nano-Fluids on Energy and Exergy Parameters of a Photovoltaic-Thermal System Equipped with an Eccentric Parabolic Trough Concentrator, Applied Thermal Engineering, 223 (2023), Mar., 119979
  14. Tang, X. Y., et al., A Design Method for Optimizing the Secondary Reflector of a Parabolic Trough Solar Concentrator to Achieve Uniform Heat Flux Distribution, Energy, 229 (2021), Aug., 120749
  15. Loni, R., et al., Sensitivity Analysis of Parabolic Trough Concentrator Using Rectangular Cavity Receiver, Applied Thermal Engineering, 169 (2020), Mar., 114948
  16. *** SAM software (n.d.), Retrieved May 14, 2023, from
  17. Reicosky, D. C., et al., Accuracy of Hourly Air Temperatures Calculated from Daily Minima and Maxima, Agricultural and Forest Meteorology, 46 (1989) 3, pp. 193-209
  18. Belghit, A., et al., Numerical Study of a Solar Dryer in Forced Convection, Revue Generale de Thermique, 36, (1997), 11, pp. 837-850
  19. Garcaa-Valladares, O., Velazquez, N., Numerical Simulation of Parabolic Trough Solar Collector: Improvement Using Counter Flow Concentric Circular Heat Exchangers, International journal of heat and mass transfer, 52 (2009), 3-4, pp. 597-609
  20. Fuqiang, W., et al., Progress in Concentrated Solar Power Technology with Parabolic Trough Collector system: A Comprehensive Review, Renewable and Sustainable Energy Reviews, 79 (2017), Nov., pp. 1314-1328
  21. Kalogirou, S. A., Solar Thermal Collectors and Applications, Progress in Energy and Combustion Science, 30 (2004) 3, pp. 231-295
  22. Guan, L., The Influence of Glass Types on the Performance of Air-Conditioned Office Buildings in Australia, Advanced Materials Research, 346 (2012), Sept., pp. 34-39

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