We are trying to look for a method on cooling rubber(from tires) to achieve brittleness specifically a recyclable process. We are looking into refrigeration, material only in contact with cooled air, trying to avoid direct chemical contact with material to avoid wastes(such as spraying liquid nitrogen).
Dear Jan Pag-Ong,
Every vapor-compression refrigeration system or unit ever built will have at least one each of these four components: as per 2nd law of Thermodynamics.
compressor
condenser
expansion device
evaporator
As shown in the attached figure you can put target as condensation area (cool area)
For this system, the air temperature can go down to - 30 degree Fahrenheit which is about - 34.4 degree Celsius.
Hope this helps answer your question.
Professor Yehia Khalil
Yale University
USA
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