Inductive Heating Applications for Giant Sustainability Enhancements in Home Appliances: A Novel Method for Drying of Attire.
Mentor:Samir Anz, Professor of Chemistry, California State Polytechnic University, Pomona
Laundering is required to maintain health and sanitation standards. Given the number of homes and institutions that have laundry capabilities on site, laundering is also a major consumer of energy across all nations. In recent years, corporations have introduced cold temperature detergents and fibers that are less prone to dirt accumulation to reduce the energy footprint for clothing during their lifespan. Still, over 90% of the energy consumed by clothing during its lifespan will come from laundry. * We demonstrate that the drying of clothes in a magnetic induction dryer is more efficient than a conventional (electric or gas) dryer. In a conventional dryer, 25% of the energy transferred from the heating element to the drum roller is lost. In our process, this transfer is eliminated because the drum roller becomes the direct source of the heat energy. To achieve inductive heating, magnetic coils surrounding a paramagnetic drum roller create a magnetic flux that force electrons in the drum roller to produce frictional heat. Our home built inductively coupled dryer when compared to a fixed-wattage electric heating element and blower was more efficient by 29.6% for common loads and 19.3% for heavy loads such as water-soaked towels. Based on the Department of Energy statistics for clothes drying appliances, the energy efficiencies derived by inductive dries will result in U.S. households producing 14.4 million tons less carbon dioxide annually. This work opens a paradigm shift in how heat (energy) is generated in both the washing and drying cycles. *- Research Presentation Presented by Proctor and Gamble Chemists. Data Available on P&G’s Web Site.