Heat pumps use environmental energy to provide us with heat. However, they generally require synthetic refrigerants, which contain environmentally harmful fluorinated greenhouse gases (F-gases). Fraunhofer researchers have ...
Energy & Green Tech
Sep 4, 2018
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If the approaching summer has you calling for an air-conditioning repair, you'll have a personal experience with one of the world's most successful global environmental efforts.
Environment
Apr 4, 2012
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Replacing the large chillers that cool hospitals, museums, and other institutions with more energy-efficient systems means using new materials. Scientists are interested in replacing the silica gel used in today's chillers ...
Materials Science
Aug 8, 2014
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Our ancestors first created ice by dissolving 'saltpetre' (potassium nitrate) in water and then pouring the mix into long-necked bottles that were then rotated. Since then, people have sought new ways to keep food cool.
Other
Sep 6, 2013
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Researchers at the Department of Energy's Oak Ridge National Laboratory have captured undistorted snapshots of refrigerants flowing through small heat exchangers, helping to further elucidate characteristics of heat transfer.
General Physics
Mar 10, 2015
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(Phys.org) —Gallium nitride has emerged as one of the most widely used materials in the optoelectronics industry and the most important semiconducting material after silicon.
Optics & Photonics
Jan 29, 2014
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South Korea's LG Electronics, a leader in smart appliances, has hit on a solution to a common frustration -- how to chill canned or bottled drinks in less than half an hour.
Consumer & Gadgets
Jan 9, 2012
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Appliances are becoming part of the family, weighing in with insights while helping with chores from cooking to doing laundry.
Consumer & Gadgets
Jan 11, 2014
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Not much has changed in refrigeration technology in the past 100 years, until now. Researchers with Oak Ridge National Laboratory's Building Technologies Program have partnered with General Electric (GE) Appliances through ...
Energy & Green Tech
May 16, 2014
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Open refrigerated display cases holding eggs, cheese, drinks and more are a favorite of supermarket chains. Despite the easy access they offer customers, the inefficient energy-guzzlers cost retailers a huge amount of money.
Engineering
Oct 28, 2011
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