Study of open jet wind tunnel cones / by Fred E. Weick.

Format:

Book

Government document

Author/Creator:

Weick, Fred E., author.

Contributor:

United States. National Advisory Committee for Aeronautics, issuing body.

Series:

Technical note (United States. National Advisory Committee for Aeronautics) ; 260.

Technical notes / National Advisory Committee for Aeronautics ; No. 260

Language:

English

Subjects (All):

Wind tunnels.

Wind tunnels--Design and construction.

Air jets.

Physical Description:

1 online resource (15 pages, 5 unnumbered pages) : illustrations.

Place of Publication:

Washington, [D.C.] : National Advisory Committee for Aeronautics, 1927.

Summary:

Tests have been made on the air flow in an open jet wind tunnel with various sizes, shapes, and spacings of cones, and the flow studied by means of velocity and direction surveys in conjunction with flow pictures. It was fond that for all combinations of cones tested the flow is essentially the same, consisting of an inner core of decreasing diameter having uniform velocity and direction, and a boundary layer of more or less turbulent air increasing in thickness with length of jet. The energy ratio of the tunnel was obtained for the different combinations of cones, and the spilling around the exit cone causing undesirable air currents in the experiment chamber was noted. An empirical formula is given for the design of cones having now appreciable spilling.

Notes:

Description based on online resource, PDF version; title from title page (TRAIL, viewed May 28, 2020).

"August 1927."

"Langley Memorial Aeronautical Laboratory."

No Federal Depository Library Program (FDLP) item number.

Includes bibliographical references (page 15).

Electronic reproduction. Denton, Texas : University of North Texas, 2011. Electronic reproduction from print master produced by University of North Texas.

Other Format:

Print version: Weick, Fred E. Study of open jet wind tunnel cones

OCLC:

1127388926