Date of Award
Master of Science in Engineering
Mechanical and Aerospace Engineering
Dr. HoSung Lee
Dr. Javier Montefort-Sanchez
Dr. Ikhlas Abdel-Qader
Thermoelectrics, heat transfer, thermoelectric generator, two channel loop, organic rankine cycle
Masters Thesis-Open Access
The use of thermoelectric generators (TEGs) for producing electric energy from low grade “waste heat” has been theorized to provide a sustainable and low-cost energy source for electric power plants. The purpose of this study is to model and experimentally validate a TEG device that takes advantage of low grade waste heat (approximately 100-150 degrees Celsius) in liquid form in order to generate power that can be used for various applications in the surrounding environment. This research aims to demonstrate that optimized TEG designs bear the potential to compete with other methods of low grade waste heat energy harvesting in both output and efficiency, while taking advantage of the comparatively low maintenance and environmental costs of thermoelectric devices. The TEG is modeled in MathCAD with a test setup consisting of a two-channel loop heat exchanger where a 50/50 mixture of ethylene glycol flowing through two separate loops is used to establish a heat gradient between the hot (110o C) and cold (10o C) sides of a bismuth telluride TEG. A TEG device is tested experimentally in a laboratory setting and the results of the mathematical model and experimental device are compared.
Farwana, Waleed, "Liquid-To-Liquid Low Grade Waste Heat Recovery Using a Two-Channel Loop" (2018). Masters Theses. 3803.