Penn State acousticians put their new prototype for a compact chiller, based on "green" technology that substitutes sound waves for environment-damaging chemical refrigerants, on first public display in conjunction with Earth Day in New York City.
The roll-out took place at a Ben & Jerrys scoop shop in New York City where the chiller was hooked up to a standard ice cream sales freezer cabinet and successfully kept the creamy merchandise in delicious condition. Ben & Jerrys partnered with Penn State, with financial and scientific support from its parent company, Unilever, to develop a more environmentally friendly prototype freezer cabinet.
Dr. Steven Garrett, the United Technologies Corporation professor of acoustics at Penn State who leads the thermoacoustic chiller research team, says, "We expect this new compact approach to thermoacoustic chillers to be used first in applications that are difficult for chemical refrigeration, such as beverage vending machines, cooling microprocessor chips in computers and, of course, ice cream sales cabinets.
Barbara Hale | Penn State
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