The lubricant in refrigeration and air conditioning systems has many important functions. Even though the circulated refrigerant is the working fluid required for cooling, the lubricant or oil is ...

"We're still performing monitoring activities, but so far the data indicates a substantial energy savings," said Paul Kistler, a mechanical engineer and team leader of the Navy's Technology Validation ...

Compressed Air is regarded as the fourth utility next to power, water and fuel (natural gas), and generally the one that all customers should produce and provide themselves. Compressed air is the ...