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Sharma, Mohit, Bhargva, Mohit, Batra, Neel, Behl, RK. (1402). Solar Air Heater with Artificial Roughness in the Form of U-shaped Turbulators: CFD-based Performance Analysis. , 8(2), 1437-1445. doi: 10.22059/jser.2023.356802.1284
Mohit Sharma; Mohit Bhargva; Neel Kamal Batra; RK Behl. "Solar Air Heater with Artificial Roughness in the Form of U-shaped Turbulators: CFD-based Performance Analysis". , 8, 2, 1402, 1437-1445. doi: 10.22059/jser.2023.356802.1284
Sharma, Mohit, Bhargva, Mohit, Batra, Neel, Behl, RK. (1402). 'Solar Air Heater with Artificial Roughness in the Form of U-shaped Turbulators: CFD-based Performance Analysis', , 8(2), pp. 1437-1445. doi: 10.22059/jser.2023.356802.1284
Sharma, Mohit, Bhargva, Mohit, Batra, Neel, Behl, RK. Solar Air Heater with Artificial Roughness in the Form of U-shaped Turbulators: CFD-based Performance Analysis. , 1402; 8(2): 1437-1445. doi: 10.22059/jser.2023.356802.1284

Solar Air Heater with Artificial Roughness in the Form of U-shaped Turbulators: CFD-based Performance Analysis

Journal of Solar Energy Research
دوره 8، شماره 2، تیر 2023، صفحه 1437-1445    اصل مقاله (476.69 K)
نوع مقاله: Original Article
شناسه دیجیتال (DOI): 10.22059/jser.2023.356802.1284
نویسندگان
Mohit Sharma* 1؛ Mohit Bhargva2؛ Neel Kamal Batra3؛ RK Behl4
1Mechanical Engineering Department, Maharishi Markandeshwar (Deemed to be) University, Mullana, Ambala
2Mechanical Engineering Department, Maharishi Markandeshwar (Deemed To Be) University, Mullana, India
3Mechanical Engineering Department, Maharishi Markandeshwar (Deemed To Be) University, Mullana
4Department of Agriculture, Maharishi Markandeshwar (Deemed To Be) University, Mullana, India
چکیده
In the present study, a solar air heater U shaped turbulators integrated on the absorber plate with artificial roughness has been subjected to computational fluid dynamics (CFD) analysis. For simulation, Renormalization group (RNG) k- ɛ model has been used to investigate several fluid flow properties such as flow behaviour, temperature distribution along absorber plate, and velocity distribution. By taking into account the relative roughness height (e/D) varies from 0.018 to 0.038 and a turbulence intensity of 5%, the aforementioned fluid flow properties have been investigated. Reynolds' number has a value varied in between 3800 to 18000. Also, it has been discovered that effective efficiency reaches a maximum value of around 0.7396 for relative roughness height of 0.038 at Reynolds' number of 16000. Further, results obtained from simulation suggested that there has been a considerable rise of about 22°C in temperature of air after passing through the roughened solar air heater.
کلیدواژه‌ها
Solar air heater؛ Artificial roughness؛ U- shaped turbulators؛ Effective efficiency؛ Relative roughness height
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