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Table 1

Characteristics of first cycle of water hammer upsurge in Figure 2 

ParametersOriginal systemConfigurations of the controlled systems
Conventional inline technique
Conventional branching technique
Dual inline techniqueCompound inline technique
Steel main pipe(HDPE)(LDPE)(HDPE)(LDPE)(LDPE-LDPE)(HDPE-LDPE)
Hmax (m) 85.6 77.9 65.3 80.1 67.6 75.1 71.9 
Hmin (m) 5.4 17.7 27.5 11.5 24.9 29.5 21.9 
T (s) 0.420 0.756 1.180 0.748 1.166 0.918 0.900 
ParametersOriginal systemConfigurations of the controlled systems
Conventional inline technique
Conventional branching technique
Dual inline techniqueCompound inline technique
Steel main pipe(HDPE)(LDPE)(HDPE)(LDPE)(LDPE-LDPE)(HDPE-LDPE)
Hmax (m) 85.6 77.9 65.3 80.1 67.6 75.1 71.9 
Hmin (m) 5.4 17.7 27.5 11.5 24.9 29.5 21.9 
T (s) 0.420 0.756 1.180 0.748 1.166 0.918 0.900 
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