<DOC>
<DOCNO>
10
</DOCNO>
<TITLE>
the theory of the impact tube at low pressure .
</TITLE>
<AUTHOR>
chambre,p.l. and schaaf,s.a.
</AUTHOR>
<BIBLIO>
j. ae. scs. 15, 1948, 735.
</BIBLIO>
<TEXT>
  a theoretical analysis has been made for an impact tube of the
relation between free-stream mach number and the impact and
free-stream pressures and densities for extremely low pressures .
it is shown that the results differ appreciably from the corresponding
continuum relations .
</TEXT>
</DOC>
