1.

Which of these is linearized velocity potential equation?

A. (1 – M\(_∞^2\))ϕxx + ϕyy + ϕzz = 0
B. ϕxx + (1 – M\(_∞^2\))ϕyy + ϕzz = 0
C. ϕxx + ϕyy + (1 – M\(_∞^2\))ϕzz = 0
D. (1 – M\(_∞^2\))[ϕxx + ϕyy + ϕzz] = 0
Answer» B. ϕxx + (1 – M\(_∞^2\))ϕyy + ϕzz = 0


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