free-stream Mach number
free-stream Mach number
[′frē ‚strēm ′mäk ‚nəm·bər] (aerospace engineering)
The Mach number of the total airframe (entire aircraft) as contrasted with the local Mach number of a section of the airframe.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
free-stream Mach number (MFs)
The Mach number of a body measured in free stream, which is unaccelerated by the airfoil or the body's presence.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive
Free-stream Mach number was taken as 0.75 for all computational runs while sideslip and angle of attack values vary between 0 and 5.
[U.sub.[infinity]] is free-stream velocity, [M.sub.[infinity]] is the
free-stream Mach number, St is the Strouhal number, and m is the mode number of the cavity.
The tunnel was configured with a convergent-divergent nozzle that resulted in a
free-stream Mach number of 2.4.
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