Actual flow velocity:
Calculation of the Reynolds number:
Pipe resistance factor (smooth pipe can be assumed):
ฮป = (1,8 ยท lg Re โ 1,5)โ2 = (1,8 ยท lg 62401 โ 1,5)โ2 = 0,020
Pressure drop figures:
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2 bends
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ฮถ1 =2 ยท 0,09 = 0,18
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p. 211
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1 Globe valve
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ฮถ2 = 6,5
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p. 207
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1 ball valve (50 % open)
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ฮถ3 = 30
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p. 207
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1 check valve
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ฮถ4 = 15
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p. 213
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1 vortex meter
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ฮถ5 = 3
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p. 213
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ฮฃฮถ = ฮถ1 + ฮถ2 + ฮถ3 + ฮถ4 + ฮถ5 = 0,18 + 6,5 + 30 + 15 + 3 = 74,68
Pressure loss in the pipeline:
The task
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