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: Chapman. This ancient, popular, and very important surname is of Olde English, German and Anglo-Saxon pre 5th century origins. Spelt in several ways including Chapman, Chipman, and Chipper (English), Kauf, Kaufman and Kaufler Austro-German), and Koopman (Danish), Coopman and de Copeman (Flemish), this is an occupational name for a merchant or trader.