attemperation of steam
attemperation of steam
[ə‚tem·pə′rā·shən əv ′stēm] (mechanical engineering)
The controlled cooling, in a steam boiler, of steam at the superheater outlet or between the primary and secondary stages of the superheater to regulate the final steam temperature.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.