5BL+Lab++Worksheet

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University of Notre Dame *

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153A

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Aerospace Engineering

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Dec 6, 2023

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docx

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5BL Lab 3 () WHEN FINISHED FILLING OUT THE SLIDES, SAVE THIS AS A PDF AND UPLOAD IT TO CANVAS Slide 2 (Laminar and Turbulent flow photo): Include a length scale in the laminar flow picture. [3 pts]

Laminar Flow Turbulent Flow Slide 3 (Laminar Flow): (make sure include correct unit) [8 pts] ? 𝒕𝒉𝒆𝒐?𝒚 = ? 𝝅 ? ? 𝟏 +?? 𝟏∆? 𝟏/? Measure flow rate Q Volume: ____ ___________ 2 r (measured) (mm) x (mm) A (mm 2 ) velocity (m/s) Δx=x-x 1 (mm) r (theory) (mm) 1 x 1 = v 1 = 2 3 4 5

Time: __________________ Flow rate, Q =____________ Write down the equation you use to compute Q, A, and v: Slide 4 (Data plot): (make sure include legend and axes label with correct unit) [4 pts] Radius vs distance plot, include both measured data and theory in the same plot. Include a legend. 3

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Slide 5 (Reynolds number): [3 pts] Calculation of the Reynolds number using the smallest radius in your data table. Show your work. Would this number suggest a laminar or turbulent flow? Slide 6 (Answer questions): [2 pts] 5

1. Why does the diameter of the water jet decrease with distance from the faucet? 2. How does the flow rate near the faucet compare to the flow rate further down? 6

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5BL+Lab++Worksheet

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