characteristic chamber length

characteristic chamber length

[‚kar·ik·tə′ris·tik ′chām·bər ‚leŋkth]
(aerospace engineering)
The length of a straight, cylindrical tube having the same volume as that of the chamber of a rocket engine if the chamber had no converging section.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.