<DOC>
<DOCNO>
672
</DOCNO>
<TITLE>
tunnel interference effects .
</TITLE>
<AUTHOR>
pankhurst, r.c. and holder, d. w.
</AUTHOR>
<BIBLIO>
wind tunnel techniques, chapter 8 pitman. 1952 .
</BIBLIO>
<TEXT>
the problems of solid blockage, wake blockage, lift effect, and the
influence of boundary constraint at high mach number are considered in
detail . corrections are given for various open and closed tunnels,
rectangular, circular and octagonal, and different speeds, two and
three dimensional flows, with several aerofoils and wings . other
interferences include the wall boundary layer, gradient of static
pressure and problems with the working fluid used .
</TEXT>
</DOC>
