Modeling One and Twophase Water Hammer Flows - Advances in Control and Automation of Water Systems - page 56

tABle 3.4 Initial Pipe Conditions Information Created by Hammer-Version 07.00.049.00
(Snapshot for selected end points at time 4.9885 s) compared to equation of Regression software
“SPSS”.

FROM HEAD TO HEAD FLOW VEL

NODE (m) NODE (m) (cms) (m/s)

J6 133.4 J7 133.0 2.500 2.21

J7 133.0 J8 131.2 2.500 2.21

J3 135.0 J4 135.0 3.000 2.65

J4 135.0 J26 135.0 3.000 2.65

J26 135.0 J27 133.5 2.500 2.21

J27 133.5 J6 133.4 2.500 2.21

J8 131.2 J9 131.1 2.500 2.21

J9 131.1 J10 129.2 2.500 2.21

J10 129.2 J11 128.0 2.500 2.21

J11 128.0 J12 126.0 2.500 2.21

J12 126.0 J13 124.1 2.500 2.21

J13 124.1 J14 123.8 2.500 2.21

J14 123.9 J15 120.4 2.500 2.21

J15 120.4 J16 120.2 2.500 2.21

J16 120.2 J17 118.9 2.500 2.21

J17 118.9 J18 118.8 2.500 2.21

J18 118.8 J19 118.7 2.500 2.21

J19 118.7 J20 118.6 2.500 2.21

J20 118.6 J21 115.7 2.500 2.21

J21 115.7 J22 114.3 2.500 2.21

J22 114.3 J23 113.4 2.500 2.21

J23 113.5 J24 113.3 2.500 2.21

J24 113.3 J28 112.8 2.500 2.21

J28 112.8 N1 112.6 2.500 2.21

J1 40.6 J2 40.6 3.000 2.65

J2 40.6 J3 40.6 3.000 2.65

tABle 3.5 Valves (at node J26-J9-J15-J17-J20-J28) data table Created by Hammer-Version
07.00.049.00 compared to equation of Regression software “SPSS”.

** Air valve at node J26 **

Time Volume Head Mass Air-Flow

(s) (m3) (m) (kg) (cms)

0.0000 .000 134.99 .0000 .000

4.9885 .000 134.95 .0000 .000