In this article, inTEST details what cold is in physical terms, and what this approach can teach about the use of freezers in labs and research.
Sponsored Content by inTEST Thermal SolutionsFeb 16 2023Reviewed by Laura Thomson Users may question the temperature of their laboratory refrigerator or ultralow temperature freezer.
Simultaneously, refrigerants help gain heat in the process of cooling their environment. They are not able to maintain heat transfer. On the contrary, endothermic reactions are the opposite. They help absorb heat from the environment as they happen. This is how a ULT freezer’s interior is cooled using refrigerants.
Refrigerants must be converted back into liquid after becoming gaseous to keep the cooling system working. On the other hand, condensation releases heat into the environment since it is exothermic. The condensing refrigerants help radiate heat into the surrounding air, which is why the top and rear of a refrigerator always feel warm.
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