An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک



throttling process
  فراروند ِ تاسنش  
farâravand-e tâseneš
Fr.: 1) détente Joule-Thomson  
  1. Thermodynamics: A process in which a gas, originally at a constant high pressure, passes → adiabatically
    through a porous wall or a narrow opening into a region of constant lower pressure. The throttling process is → irreversible and is accompanied by an increase of → entropy. The → enthalpy of the gas is the same in the → initial and → final → states. Also called → Joule-Thomson expansion. The change in the temperature of the gas in throttling is known as the → Joule-Thomson effect.

  2. A technique implemented in the architecture of computers whereby the frequency produced by the microprocessor is automatically adjusted. Throttling process allows the computer to conserve
    power and also reduce the heat generated by its chip.

See also:throttle; → process.