The effect of various heating and cooling methods on the output voltage of a Peltier tile
School Name
Spring Valley High School
Grade Level
10th Grade
Presentation Topic
Engineering
Presentation Type
Non-Mentored
Abstract
Thermoelectricity is believed to be a potential alternative energy source. The purpose of this project was to test the practicability of the Peltier tile and observe how powering methods compare to one another. It was hypothesized that if six combinations of heat sources and cold sources were applied to a Peltier tile and three individual methods involving only the heat sources were applied to a Peltier tile, then the combination of hot water and heat sink would create the most output voltage. Heating methods included candle flame, hot water, and sunlight. Cooling methods included cold water and a heat sink. For this study, a Peltier tile was circuited with the voltmeter. The maximum voltage for each trial was measured after each method was applied to the Peltier tile. Data were statistically analyzed at alpha equal to 0.05 with an ANOVA [F(8,216)=344.991, p=<0.001] and a follow-up Scheffe test. As hypothesized, the combination of the hot water and heat sink created the most output voltage; however the combination of the candle and cold water had the highest mean output voltage. A Scheffe test indicated that there were no significant differences between individual heating methods but some differences between combinations; the most significant difference was sunlight versus candle and cold water. The results of this study confirmed that output voltage increased with temperature gradient and also suggested a possible relationship with output voltage and a method’s ability to maintain a temperature gradient that was not mentioned in previous studies.
Recommended Citation
Murrin, Breanna B., "The effect of various heating and cooling methods on the output voltage of a Peltier tile" (2015). South Carolina Junior Academy of Science. 268.
https://scholarexchange.furman.edu/scjas/2015/all/268
Start Date
4-11-2015 3:00 PM
End Date
4-11-2015 3:15 PM
The effect of various heating and cooling methods on the output voltage of a Peltier tile
Thermoelectricity is believed to be a potential alternative energy source. The purpose of this project was to test the practicability of the Peltier tile and observe how powering methods compare to one another. It was hypothesized that if six combinations of heat sources and cold sources were applied to a Peltier tile and three individual methods involving only the heat sources were applied to a Peltier tile, then the combination of hot water and heat sink would create the most output voltage. Heating methods included candle flame, hot water, and sunlight. Cooling methods included cold water and a heat sink. For this study, a Peltier tile was circuited with the voltmeter. The maximum voltage for each trial was measured after each method was applied to the Peltier tile. Data were statistically analyzed at alpha equal to 0.05 with an ANOVA [F(8,216)=344.991, p=<0.001] and a follow-up Scheffe test. As hypothesized, the combination of the hot water and heat sink created the most output voltage; however the combination of the candle and cold water had the highest mean output voltage. A Scheffe test indicated that there were no significant differences between individual heating methods but some differences between combinations; the most significant difference was sunlight versus candle and cold water. The results of this study confirmed that output voltage increased with temperature gradient and also suggested a possible relationship with output voltage and a method’s ability to maintain a temperature gradient that was not mentioned in previous studies.
