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Solar-powered refrigerators are characterized by thick insulation and the use of a DC (not AC) compressor. Traditionally solar-powered refrigerators and vaccine coolers use a combination of solar panels and lead batteries to store energy for cloudy days and at night in the absence of sunlight to keep their contents cool.
LG Smart Refrigerator at CES 2011. A smart refrigerator, also known as internet refrigerator, is a refrigerator which is able to communicate with the internet. [1] This kind of refrigerator is often equipped to determine itself whenever a food item needs to be replenished. [2]
Thermoelectric cooling uses the Peltier effect to create a heat flux at the junction of two different types of materials. A Peltier cooler, heater, or thermoelectric heat pump is a solid-state active heat pump which transfers heat from one side of the device to the other, with consumption of electrical energy, depending on the direction of the current.
Common absorption refrigerators use a refrigerant with a very low boiling point (less than −18 °C (0 °F)) just like compressor refrigerators.Compression refrigerators typically use an HCFC or HFC, while absorption refrigerators typically use ammonia or water and need at least a second fluid able to absorb the coolant, the absorbent, respectively water (for ammonia) or brine (for water).
Winter Squash “Some vegetables don't require refrigeration because cold temperatures can negatively affect their flavor, texture, and ripening process,” explains James Dibella, corporate ...
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