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.
The Jeffries surname is a patronymic name that comes from the personal names Geoffrey and Godfrey. These names appear in Old English as Geffrey and in Old French as Jefroi or Jeufroi. The surname Jeffries makes use of the patronymic suffix -son, which had superseded all other such suffixes in popularity by the 14th century, and was most common in the north of Britain. This suffix was sometimes abbreviated to -s.