Allyssa Mareon Maraun (2022) Study on the effect of reflector at tilt angle 75° and 65° on solar pv panel system with fins and chimney cooling. Universiti Malaysia Sabah. (Unpublished)
![[img]](https://eprints.ums.edu.my/style/images/fileicons/text.png) |
Text
24pages.pdf Download (357kB) |
|
Text
FULLTEXT.pdf Restricted to Registered users only Download (1MB) |
Abstract
Various ambient environmental factors such as incident irradiance, the module temperature, and the spectral irradiance distribution can greatly influence the performance of PV modules that are installed outdoor. As the temperature of the solar PV panel may affect its efficiency, cooling system through the fins and absorber plate are implemented in the system. Moreover, the role of the reflector is to increase the amount of light that hits the surface of the solar PV panel which will then help improve its electrical power output. Other than that, the role of the reflector is also to concentrate solar radiation on the absorber, which will then facilitate convection through buoyancy effect as the air draft from the absorber towards the chimney is caused by the increasing air velocity. Therefore, reflectors that are angled at 75° and 65° were designed and constructed. The objective of this project is to investigate the effect of reflectors that are integrated in the solar PV panel system with fins and chimney cooling and measure the solar PV power output at different reflector angle and solar radiation. The experiment was conducted by placing a reflector at each side of the solar PV panel and readings of the ambient temperature, solar panel surface temperature, solar irradiance, current, voltage, power output, air velocity and temperature at four sections of the test rig were taken in a one-hour interval starting from 10 AM to 3 PM. From the results obtained, the highest average velocity, 0.6218 m/s, was discovered to be produced by solar panel systems with integrated reflectors at a 75° angle. Apart from that, the highest chimney temperature exit for 75° and 65° reflectors is 55.8° Celsius at 1204.2 W/m2 and 49.2° Celsius at 1204.2 W/m2 respectively. The best chimney thermal efficiency was created by 75° reflectors, which had a value of 24.42% at 1131.4 W/m2. The highest power output was achieved by the solar panel system using the 75° reflectors, which was 80 W. The solar panel systems with 75° and 65° reflectors have the highest solar panel efficiencies, which are 7.24% and 6.68%, respectively. The system utilizing 65° reflectors has a maximum solar panel surface temperature of 77.4° Celsius, whereas the system using 75° reflectors has a maximum solar panel surface temperature of 73.2° Celsius. Since the reflector with the angle of 75° was able to focus more solar radiation on the solar panel than the reflector with the angle of 65°, it can be concluded that it was more effective. In summary, 75° reflectors help the solar chimney cool down more effectively than 65° reflectors.
| Item Type: | Academic Exercise |
|---|---|
| Keyword: | Reflector , Solar , Chimney cooling |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK1-9971 Electrical engineering. Electronics. Nuclear engineering > TK1001-1841 Production of electric energy or power. Powerplants. Central stations |
| Department: | FACULTY > Faculty of Engineering |
| Depositing User: | DG MASNIAH AHMAD - |
| Date Deposited: | 12 Oct 2022 10:53 |
| Last Modified: | 12 Oct 2022 10:53 |
| URI: | https://eprints.ums.edu.my/id/eprint/34431 |
Actions (login required)
 |
View Item |