Fluids lab - bernoulli for tutor hero.docx - CIVL2611...

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CIVL2611 – Introductory Fluid Mechanics, 2017 1. Recorded Stagnation Pressure at Differing Flow Rates 0 20 40 60 80 100 120 140 160 0.05 0.1 0.15 0.2 0.25 0.3 Total Pressure Head vs Distance along Streamline Low Flow Rate Moderate Flow Rate High Flow Rate Distance from First Streamline Point (mm) Total Pressure head (m) Table 1: Static, Dynamic, and Total Pressure Heads with Displacement along Streamline Static and total pressure heads recorded from experiment, distance from A noted from apparatus. Velocity head calculating by subtracting static from total pressure head. Velocity calculated by multiplying by γ water . The highlighted flow rate is erroneous, likely due to unsteady slow of the Bernoulli demonstration apparatus and human error. It should record a flow rate marginally slower than Test 2. TEST 1 Static Pressure Head (m) Velocity Head (m) Velocity (m/s) Total Head (m) Distance from A (mm) Average Volumetric Flow Rate (m^3/s) 0.25 0 0 0.25 0 5.91553E-05 0.243 0.007 0.370594118 0.25 60.28 0.235 0.015 0.54249424 0.25 68.68 0.23 0.019 0.610557123 0.249 73.18 0.22 0.025 0.700357052 0.245 81.08 0.228 0.008 0.396181776 0.236 141.54 TEST 2 Static Pressure Head (m) Velocity Head (m) Velocity (m/s) Total Head (m) Distance from A (mm) Volumetric Flow Rate (m^3/s) 0.194 0.001 0.14007141 0.195 0 5.62177E-05 0.186 0.008 0.396181776 0.194 60.28 0.18 0.013 0.505034652 0.193 68.68 0.172 0.021 0.641887841 0.193 73.18 0.164 0.026 0.714226855 0.19 81.08 0.171 0.01 0.442944692 0.181 141.54 TEST 3 Static Pressure Head (m) Velocity Head (m) Velocity (m/s) Total Head (m)

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