Energy and exergy analysis of a newly designed photovoltaic thermal system featuring ribs, petal array, and coiled twisted tapes: Experimental analysis
| dc.contributor.author | Ahmed, Banw Omer | |
| dc.contributor.author | Dol, Sharul Sham | |
| dc.contributor.author | Ibrahim, Adnan | |
| dc.contributor.author | ETAL.. | |
| dc.date.accessioned | 2025-09-03T09:38:20Z | |
| dc.date.available | 2025-09-03T09:38:20Z | |
| dc.date.issued | 2024 | |
| dc.description | Recently, there has been a significant surge in demand for the adoption of solar technology, especially photovoltaic (PV) [1]. This can be attributed to several factors, such as its environmentally friendly nature, cost-effectiveness, and flexibility in installation and maintenance [2]. Considering all the myriad benefits PV offers in conjunction with the concerted global push by scientific communities, governments, and international organizations against traditional sources of energy production, especially fossil fuels, PV has become one of the potential choices of the future [3]. Nevertheless, research has reported that PV is fundamentally prone to losing efficiency due to temperature rise in its surface area [4]. It has been confirmed that every 1 °C rises in the surface area of a PV results in a 0.5 % corresponding loss in electrical efficiency [5]. This issue is certainly of grave concern, given the amount of loss produced rapidly increases as more solar irradiances are applied [6]. | |
| dc.description.abstract | Photovoltaic systems suffer from electrical efficiency loss due to increases in surface temperature. To tackle this problem, Photovoltaic Thermal, consisting of photovoltaic and tube configurations attached to its back, is suggested. This study attempts to develop a new collector design in photovoltaic thermal systems. The new design features ribs and petal arrays on its inner and outer surfaces and a coiled twisted tape positioned inside it. The study also uses silicon carbide enhanced nanofluid (0.3 % and 6 % volume concentration) and phased changing material (1 % volume concentration) to boost the thermal efficiency further. Using an indoor solar simulator, the study investigates the effects of mass flow rate in the range of (0.1–0.85) kg/s, solar irradiances of (400–1000) W/m2, and coolant types of (water, 0.3 % and 0.6 % SiC enhanced nanofluid, water and nanophase changing materials, and 0.3 % and 0.6 % SiC enhanced nanofluid and nanophase changing materials). Besides revealing the relationship between all the parameters studied, the results report a maximum electrical energy efficiency of 11.2 %, thermal energy efficiency of 86.2 %, and total exergy efficiency of 15.3 %. The system reached optimal power production of 25.99 W using a photovoltaic module with a maximum power rate of 30 W. Keywords: Ribs and petal arrays, Coiled twisted tapes, SiC enhanced nanofluid and NPCM, PVT system | |
| dc.identifier.citation | Ahmed, B. O., Ibrahim, A., Azeez, H. L., Dol, S. S., Al-Waeli, A. H., & Jaber, M. (2024). Energy and exergy analysis of a newly designed photovoltaic thermal system featuring ribs, petal array, and coiled twisted tapes: Experimental analysis. Case Studies in Thermal Engineering, 63, 105388. | |
| dc.identifier.doi | https://doi.org/10.1016/j.csite.2024.105388 | |
| dc.identifier.uri | https://repository.adu.ac.ae/handle/1/7358 | |
| dc.language.iso | en | |
| dc.publisher | Elsevier | |
| dc.title | Energy and exergy analysis of a newly designed photovoltaic thermal system featuring ribs, petal array, and coiled twisted tapes: Experimental analysis | |
| dc.type | Article |