In this cycle, a circulating refrigerant such as Freon enters the compressor as a vapor. From point 1 to point 2, the vapor is compressed at constant entropy and exits the compressor as a vapor at a higher temperature, but still below the vapor pressure at that temperature.
Nichols Family Name. An English, Irish and German surname of Nichols is based on the name Nicholas. The name Nicholas comes from the Greek language with the name Ã¢â¬ËnikolaosÃ¢â¬â¢ which means to conquer people. Spelling forms for Nichols are Nuckles, Nickel, Nicol, Nycol, Nickles and Nicolls.
Last name: Marsh. This interesting surname, of Anglo-Saxon origin, is a topographical name for someone who lived by or in a marsh or fen, deriving from the Olde English pre 7th Century mersc meaning marsh. The surname dates back to the late 12th Century (see below).