In warm countries such as Sri Lanka, the very mention of the word air conditioning brings to mind a cool and comfortable environment. However, in cold climates, air conditioning could mean the heating ...

The simple system in Figure 1 shows the application of the Second Law of Thermodynamics. The compressor (A) adds energy to the refrigerant, and it becomes hot, just the way a hand operated tire pump ...

Current refrigeration methods, although useful and safe, are not efficient or environmentally friendly. Fridges and Air ...

Motors for air conditioning and refrigeration equipment are special-purpose motors called “hermetic,” meaning they’re sealed. They’re sealed because they’re in the same housing as the compressor and ...

Article 430, the largest Article in the NEC, is commonly understood to be the “motor” Article. But if motors are a part of air-conditioning (A/C) and refrigeration equipment, they also fall under Art.

Thermodynamics, as with most concepts in science and physics, is most accurately described using mathematical equations. However, simple explanations, although not perfectly accurate, are sufficient ...