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# Water density 1000 kg m3 viscosity 115 103 N-sm2 is delivered from a large reservoir upstream Section through two mortar lined steel circular pipes arranged in series to another large

Water (density = 1000 kg/m3, viscosity = 1.15 x 10-3 N-s/m2) is delivered from a large reservoir upstream (Section"") through two mortar lined steel circular pipes arranged in series to another large reservoir downstream (Section "2") as shown in Figure E4.7 The upstream pipe is 80 m long and 0.15 m in diameter, whereas the downstream pipe is 50 m long and 0.1 m in diameter. Both pipes have sharp-edged entrance and exit. Consider both major and minor losses. Determine the required height of the free surface of water in the upstream reservoir above that of the downstream reservoir if the mass flow rate through the pipe flow system is 100 kg/s. 4.7 Section "1" 100 kg/s Section "2" Upstream Reservoir Upstream Pipe: 80 m x 0.15 m Downstream Reservoir Downstream Pipe: 50 m x 0.1 m Figure E4.7 Pipe Flow System (pipes in series) for Tutorial 4.7 87 4.8 Referring to Tutorial 4.7 (and Figure E4.7), if the height of the free water surface in the upstream reservoir above that of the downstream reservoir is 40 m, determine the mass flow rate of water through the pipe system by considering only the major loss. Water (density = 1000 kg/m3, viscosity = 1.15 x 10-3 N-s/m2) is delivered from a large reservoir upstream (Section"") through two mortar lined steel circular pipes arranged in series to another large reservoir downstream (Section "2") as shown in Figure E4.7 The upstream pipe is 80 m long and 0.15 m in diameter, whereas the downstream pipe is 50 m long and 0.1 m in diameter. Both pipes have sharp-edged entrance and exit. Consider both major and minor losses. Determine the required height of the free surface of water in the upstream reservoir above that of the downstream reservoir if the mass flow rate through the pipe flow system is 100 kg/s. 4.7 Section "1" 100 kg/s Section "2" Upstream Reservoir Upstream Pipe: 80 m x 0.15 m Downstream Reservoir Downstream Pipe: 50 m x 0.1 m Figure E4.7 Pipe Flow System (pipes in series) for Tutorial 4.7 87 4.8 Referring to Tutorial 4.7 (and Figure E4.7), if the height of the free water surface in the upstream reservoir above that of the downstream reservoir is 40 m, determine the mass flow rate of water through the pipe system by considering only the major loss.

Apr 27 2020 View more View Less