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10.17 Consider the point at (r, φ) = (r*, π/2) at a distance r* directly above the
corner. The streamline through this point, and the streamline along the surface,
Both μ and ν are functions of the local Mach number M at point P. Thus, the
From the isentropic relation for area ratio given by Equation (10.32), we have
Since sin μ = , this becomes
Repeating, the polar angle of point P is
By using M as a parameter in equations (1) and (2), various points on the
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10.18 Using local Mach number as a parameter, and calculating r/r* and φ from
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1.0 1.0 1.0 90 0 90
1.1 1.008 1.109 65.38 1.336 64.04
1.2 1.03 1.236 56.44 3.558 52.88
The plot of the streamline is on the next page.
