helium liquefier

helium liquefier

[′hē·lē·əm ′lik·wə‚fī·ər]
(cryogenics)
Any one of several machines which liquefy helium by causing it to undergo adiabatic expansion and to do external work.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
A refrigeration workshop will describe estimating the size, weight and power requirements of a hydrogen or helium liquefier.