Problem 2.44 - Problem 2.44 Given: Ice skater and skate...

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Problem 2.44 [Difficulty: 2] h y x L V = 20 ft/s dy du yx µ τ = Given: Ice skater and skate geometry Find: Deceleration of skater Solution: Governing equation: τ yx μ du dy = Σ F x Ma x = Assumptions: Laminar flow The given data is W 100 lbf = V2 0 ft s = L 11.5 in = w 0.125 in = h 0.0000575 in = μ 3.68 10 5 × lbf s ft 2 = Table A.7 @32 o F Then τ yx μ du dy = μ V h = 3.68 10 5 × lbf s ft 2 20 × ft s 1 0.0000575 in × 12 in ft
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This note was uploaded on 10/19/2011 for the course EGN 3353C taught by Professor Lear during the Fall '07 term at University of Florida.

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