The Effect of Active Water Cooling and Infrared Mirrors on the Thermal Load and Cogeneration of Photovoltaic Panels
Sustainability and Renewable Energy- Grade:
- 10
- Teacher:
- Elyse Wexler
This project shows how active water cooling and infrared mirrors affect thermal load and cogeneration of photovoltaic panels. Four trials were performed to demonstrate how active water cooling technology improves the efficiency of PV panels, and how the implementation of an infrared mirror backing beneath the panel decreases average temperatures of the surface behind it. Clear vinyl tubing was laid in a spiral pattern around the back of the panel to efficiently carry heat away from it. All materials used to augment the panel in this project each individually cost less than $40. This project was performed in late winter in Arizona. To account for this unfavorable climate for high-temperature tests, two heat lamps were used to increase temperatures on one side of the panel to simulate an Arizona summer. Four trials were performed to test the efficiency of both water cooling and backing. Trial 1 consisted of standard winter conditions with backing. Trial 2 consisted of simulated summer conditions with backing. Trial 3 consisted of winter conditions without backing. Trial 4 consisted of summer conditions without backing. During the four trials, surface temperatures of the panel decreased by up to 60°F. During trials when the backing was implemented, temperatures behind the panel decreased by up to 13°F. The resulting observations made by this project may be used to reduce cooling costs by using IR mirrors. The water used for cooling the panel may be fed into a water heater, therefore allowing all components to last longer and improve efficiency.
This is a solid and carefully executed investigation into improving solar panel efficiency through water cooling and IR reflection. You have successfully demonstrated meaningful temperature reductions and identified how an IR mirror can further enhance performance, with potential real-world applications in homes and solar farms. Your clear documentation of methods, repeated trials, and thoughtful consideration of limitations strengthen your work.
Kudos!
This is my project.
I do think I did a very good job on this. I may or may not be biased.
Kudos, me.