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Table 6

The role of the measurement sections number and location on the accuracy of leak characterization (Q d,0 = 3.3 L/s, ΔT = 20 s, and IG = 35%, with kfu calibrated)

Number of sectionsNotationɛL (%)ɛS (%)
Aa 3.89 46.20 
Ba 3.50 18.68 
Ca 3.40 44.95 
Eb 3.40 23.67 
Vb 0.02 27.06 
(E, V)b 3.40 21.41 
(C, E)c 3.40 23.76 
(B, C)a 3.40 21.41 
(C, E, V) 3.40 21.41 
(A, B, C)a 5.34 35.75 
(A, C, V) 3.40 20.21 
All 3.40 22.00 
Number of sectionsNotationɛL (%)ɛS (%)
Aa 3.89 46.20 
Ba 3.50 18.68 
Ca 3.40 44.95 
Eb 3.40 23.67 
Vb 0.02 27.06 
(E, V)b 3.40 21.41 
(C, E)c 3.40 23.76 
(B, C)a 3.40 21.41 
(C, E, V) 3.40 21.41 
(A, B, C)a 5.34 35.75 
(A, C, V) 3.40 20.21 
All 3.40 22.00 

aSection between the tank and the leak.

bSection between the leak and the maneuver valve.

cSection close to the leak.

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