1.

If we know the location and flow properties of internal points 1 and 2, then what is the value of local streamline direction θ3 for point 3 which lies at the intersection of characteristic lines?

A. θ3 = \(\frac {1}{2}\)[(K–)1 + (K+)2]
B. θ3 = [(K–)1 + (K+)2 ]
C. θ3 = \(\frac {1}{2}\)[(K–)1 – (K+)2]
D. θ3 = [(K–)1 – (K+)2]
Answer» B. θ3 = [(K–)1 + (K+)2 ]


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