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1. Glycerin at 20 °C flows upward in a vertical 75-mmdiameter pipe with a centerline velocity of 1.0 m/s. Determine the head loss and pressure drop in a 10-m length of the pipe.
2. A large artery in a person’s body can be approximated by a tube of diameter 9 mm and length 0.35 m. Also assume that blood has a viscosity of approximately 4 × 10-3 N ∙ s/m2, a specific gravity of 1.0, and that the pressure at the beginning of the artery is equivalent to 120 mm Hg. If the flow were steady (it is not) with V = 0.2 m/s, determine the pressure at the end of the artery if it is oriented (a) vertically up (flow up) or (b) horizontal.
Answer1 Figure shows the flow of water in the vertical pipe..
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