Purdue University engineers have developed a second-generation smart accumulator with oil circulation ratio (OCR) sensing capabilities for heating, ventilation, air conditioning and refrigeration, or ...

WEST LAFAYETTE, Ind. – Purdue University engineers have developed a second-generation smart accumulator with oil circulation ratio (OCR) sensing capabilities for heating, ventilation, air conditioning ...

Mechanical refrigeration is accomplished by continuously circulating, evaporating, and condensing a fixed supply of refrigerant in a closed system. Evaporation occurs at a low temperature and low ...