管道压头损失计算表
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Pressure Drop Calculator
Select the Option Nominal Size and Schedule Pipe ID (For pipes not in above list) Flow Rate (Input) Density(r) (Input) Dynamic Viscosity (µ) (Input) Absolute Roughness (e) (Input) Standard 2" 0.0394 16 1000 1 0.005 Use Cells C4 and D4 40 inches m 3/hr 3 kg/m cP mm
70.45 gpm 3 62.43 lb/ft 0.0002 inches
Velocity (V) Inner Diameter (ID) Reynolds Number (NRe) Friction Factor (f) Procedure Total Pressure Drop (m) Total Pressure Drop (Pa) Total Pressure Drop (psi) Shear Force
0.000 0.032 0.000 0Hale Waihona Puke Baidu420 0.000
0.000 0.000 0.000
0.000 0.000 0.000
0.000 0.000
10 13.83 15.56 15.49
18 0.27 0.31 0.31
15.54 14.1 15.87 15.8
0 2 0 0 1 0 0 1.3779 45 0 0 0 1 45 0 0 0 1 1 0 0
No No No No No No No Inches Degrees No No No Inches Degrees No No No Inches Inches No No
0.000 0.098 0.000 0.000 0.481 0.000 0.000
0.000 0.000 1.026 0.000 0.000 0.000 0.000 0.000 0.000 0.000
0.000 0.000 1.021 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Gate Valve, b = 1 Ball Valve, b = 1 Butterfly Valve Diaphragm Valve, Dam Type -1/2 Swing Check Valve, Vmin = 35r Lift Check Valve, Vmin = 40r-1/2 Tilting Disk Check Valve Reducers Second ID Angle Square Reducer Tapered Reducer Round Reducer Expander Second ID Angle Square Expander Tapered Expander Round Expander Orifice Diameter (ID of Orifice) Length (Thickness of the Thick Orifice) Thin Thick
0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000
0.000 0.000 0.000 0.000 0.000 0.000 0.000
0 0 4 0 0 0 0 0 0 0 0 0 0
No No No No No No No No No No No No No
2.05 m/s 0.0525 m 107770 0.021568
6.73 feet/sec 2.067 inches
2-K 41.38 405858.72 58.77 675 N/m
2
3-K 41.28 404541.29 58.66
Input the values in appropriate cells of Column C below Component Elevation Pipe Length 0 90 Elbow Threaded, r/D = 1 Threaded, Long Radius, r/D = 1.5 Flanged, Welded, Bend, r/D = 1 Flanged, Welded, Bend, r/D = 2 Flanged, Welded, Bend, r/D = 4 Flanged, Welded, Bend, r/D = 6 Mitered, 1 Weld, 90 Degree Mitered, 2 Welds, 45 Degree Mitered, 3 Welds, 30 Degree Mitered, 4 Welds, 22.5 Degree Mitered, 5 Welds, 18 Degree 0 45 Elbow Standard, r/D = 1 Long Radius, r/D = 1.5 Mitered, 1 Weld, 45 Degree Mitered, 2 Welds, 22.5 Degree 0 180 Elbow Threaded, r/D = 1 Flanged/ Welded, r/D = 1 Long Radius, r/D = 1.5 Tees As Elbow Standard, Threaded, r/D = 1 Long Radius, threaded, r/D = 1.5 Standard, Flanged/Welded, r/D = 1 Stub-in Branch Run Through Threaded, r/D = 1 Run Through Flanged/Welded, r/D = 1 Run Through Stub in Branch Valves Angle Valve - 45 Degree, b = 1 Angle Valve - 90 Degree, b = 1 Globe Valve, b = 1 Plug Valve, Branch Flow Plug Valve, Straight Through Plug Valve, 3-way, Flow Through Qty 12.5 300 0 0 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Unit m m No No No No No No No No No No No No No No No No No No Hooper 2-K 12.500 26.467 0.000 0.000 0.813 Darby 3-K 12.500 26.467 0.000 0.000 0.840 0.000 0.000 0.000 0.000 0.000 0.000
Select the Option Nominal Size and Schedule Pipe ID (For pipes not in above list) Flow Rate (Input) Density(r) (Input) Dynamic Viscosity (µ) (Input) Absolute Roughness (e) (Input) Standard 2" 0.0394 16 1000 1 0.005 Use Cells C4 and D4 40 inches m 3/hr 3 kg/m cP mm
70.45 gpm 3 62.43 lb/ft 0.0002 inches
Velocity (V) Inner Diameter (ID) Reynolds Number (NRe) Friction Factor (f) Procedure Total Pressure Drop (m) Total Pressure Drop (Pa) Total Pressure Drop (psi) Shear Force
0.000 0.032 0.000 0Hale Waihona Puke Baidu420 0.000
0.000 0.000 0.000
0.000 0.000 0.000
0.000 0.000
10 13.83 15.56 15.49
18 0.27 0.31 0.31
15.54 14.1 15.87 15.8
0 2 0 0 1 0 0 1.3779 45 0 0 0 1 45 0 0 0 1 1 0 0
No No No No No No No Inches Degrees No No No Inches Degrees No No No Inches Inches No No
0.000 0.098 0.000 0.000 0.481 0.000 0.000
0.000 0.000 1.026 0.000 0.000 0.000 0.000 0.000 0.000 0.000
0.000 0.000 1.021 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Gate Valve, b = 1 Ball Valve, b = 1 Butterfly Valve Diaphragm Valve, Dam Type -1/2 Swing Check Valve, Vmin = 35r Lift Check Valve, Vmin = 40r-1/2 Tilting Disk Check Valve Reducers Second ID Angle Square Reducer Tapered Reducer Round Reducer Expander Second ID Angle Square Expander Tapered Expander Round Expander Orifice Diameter (ID of Orifice) Length (Thickness of the Thick Orifice) Thin Thick
0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000
0.000 0.000 0.000 0.000 0.000 0.000 0.000
0 0 4 0 0 0 0 0 0 0 0 0 0
No No No No No No No No No No No No No
2.05 m/s 0.0525 m 107770 0.021568
6.73 feet/sec 2.067 inches
2-K 41.38 405858.72 58.77 675 N/m
2
3-K 41.28 404541.29 58.66
Input the values in appropriate cells of Column C below Component Elevation Pipe Length 0 90 Elbow Threaded, r/D = 1 Threaded, Long Radius, r/D = 1.5 Flanged, Welded, Bend, r/D = 1 Flanged, Welded, Bend, r/D = 2 Flanged, Welded, Bend, r/D = 4 Flanged, Welded, Bend, r/D = 6 Mitered, 1 Weld, 90 Degree Mitered, 2 Welds, 45 Degree Mitered, 3 Welds, 30 Degree Mitered, 4 Welds, 22.5 Degree Mitered, 5 Welds, 18 Degree 0 45 Elbow Standard, r/D = 1 Long Radius, r/D = 1.5 Mitered, 1 Weld, 45 Degree Mitered, 2 Welds, 22.5 Degree 0 180 Elbow Threaded, r/D = 1 Flanged/ Welded, r/D = 1 Long Radius, r/D = 1.5 Tees As Elbow Standard, Threaded, r/D = 1 Long Radius, threaded, r/D = 1.5 Standard, Flanged/Welded, r/D = 1 Stub-in Branch Run Through Threaded, r/D = 1 Run Through Flanged/Welded, r/D = 1 Run Through Stub in Branch Valves Angle Valve - 45 Degree, b = 1 Angle Valve - 90 Degree, b = 1 Globe Valve, b = 1 Plug Valve, Branch Flow Plug Valve, Straight Through Plug Valve, 3-way, Flow Through Qty 12.5 300 0 0 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Unit m m No No No No No No No No No No No No No No No No No No Hooper 2-K 12.500 26.467 0.000 0.000 0.813 Darby 3-K 12.500 26.467 0.000 0.000 0.840 0.000 0.000 0.000 0.000 0.000 0.000