Babcock coefficient of friction

Babcock coefficient of friction

[′bab‚käk ‚kō·ə′fish·ənt əv ′frik·shən]
(fluid mechanics)
An approximation to the coefficient of friction for steam flowing in a circular pipe of diameter d inches, given by 0.0027[1 + (3.6/ d)].
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.