(Solution) - A fan that can provide air speeds up to 50 -(2025 Original AI-Free Solution)

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Academic Level: Undergrad. (yrs 3-4)

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A fan that can provide air speeds up to 50 m/s is to be used in a low-speed wind tunnel with atmospheric air at 25°C. If one wishes to use the wind tunnel to study flat-plate boundary layer behavior up to Reynolds numbers of Rex = 10 8 , what is the minimum plate length that should be used? At what distance from the leading edge would transition occur if the critical Reynolds number were Rex,c = 5 x 105?