An Efficient Accurate Shock-capturing Scheme for Modeling Water Hammer Flows - Advances in Control and Automation of Water Systems - page 103

tABle 6.4 (Continued)

LENGTH DIAMETER WAVESPEED D-W CHECK

LABEL (m) (mm) (m /s) FR. COEF. VALVE

P22 156.0 1200.00 1084.0 0.028 *

P23 22.0 1200.00 1084.0 0.036 *

P24 82.0 1200.00 1084.0 0.028 *

P25 35.6 1200.00 1084.0 0.028 *

P0 0.5 1200.00 1084.0 0.027 *

P1 0.5 1200.00 1084.0 0.027 *

* Darcy-Weisbach friction coefficient exceeds .025.

tABle 6.5 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