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Table 4 Results obtained from K and kw for pipelines of different diameter and flow velocity

From: Modeling of residual chlorine in a drinking water network in times of pandemic of the SARS-CoV-2 (COVID-19)

Diameter

mm

Velocity (m s− 1)

kb

(h− 1)

K

(h− 1)

kf

(m h− 1)

kw

(m h− 1)

kw

(m d− 1)

250

1.43

0.16

0.226

0.19

0.0046

0.11

200

1.09

0.16

0.222

0.15

0.0034

0.082

200

0.675

0.16

0.219

0.10

0.0033

0.080

160

1.51

0.16

0.271

0.21

0.0048

0.11

110

0.10

0.16

0.157

0.020

0.00004

0.0010

63

0.11

0.16

0.159

0.023

0.0001

0.0015

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Sustainable Environment Research

ISSN: 2468-2039

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