Make an analytical model of a tornado using an irrotational vortex (with velocity inversely proportional to distance from the center) outside a central core (with velocity directly proportional to distance). Assume that the core diameter is 200 ft and the static pressure at the center of the core is 38 psf below ambient pressure. Find
a. The maximum wind velocity
b. The time it would take a tornado moving at 60 mph to lower the static pressure from –10 to –38 psfg
c. The variation in stagnation pressure across the tornado; Euler’s equation may be used to relate the pressure gradient in the core to the fluid acceleration
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