Pipeline Toolbox
Function Reference Manual
Early Public Release DD-00011-000

3.2 Darcy friction factor calculation

3.2.1 colebrook_white - Colebrook-White equation
Arguments
Returns
Possible Warnings
Possible Errors
3.2.2 cw_haaland - Haaland friction factor
Arguments
Returns
Possible Errors
3.2.3 cw_swamee_jain - Swamee-Jain friction factor
Arguments
Returns
Possible Errors
3.2.4 cw_serghides - Serghides friction factor
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Returns
Possible Errors
3.2.5 cw_goudar_sonnad1 - Goudar-Sonnad (2006) friction factor
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Returns
Possible Errors
3.2.6 cw_goudar_sonnad2 - Goudar-Sonnad (2011) friction factor
Arguments
Returns
Possible Errors
3.2.7 cw_brkic - Brkic friction factor
Arguments
Returns
Possible Errors
3.2.8 cw_brkic_praks - Brkic-Praks friction factor
Arguments
Returns
Possible Errors
3.2.9 cw_praks_brkic - Praks-Brkic friction factor
Arguments
Returns
Possible Errors
3.2.10 cw_niazkar - Niazkar friction factor
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Returns
Possible Errors
3.2.11 cw_moody - Moody friction factor
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Returns
Possible Errors
3.2.12 cw_wood - Wood friction factor
Arguments
Returns
Possible Errors
3.2.13 cw_eck - Eck friction factor
Arguments
Returns
Possible Errors
3.2.14 cw_churchill1 - Churchill (1973) friction factor
Arguments
Returns
Possible Errors
3.2.15 cw_churchill2 - Churchill (1977) friction factor
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Returns
Possible Errors
3.2.16 cw_jain - Jain friction factor
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Returns
Possible Errors
3.2.17 cw_chen - Chen friction factor
Arguments
Returns
Possible Errors
3.2.18 cw_round - Round friction factor
Arguments
Returns
Possible Errors
3.2.19 cw_barr - Barr friction factor
Arguments
Returns
Possible Errors
3.2.20 cw_zigrang_sylvester1 - Zigrang-Sylvester friction factor
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Returns
Possible Errors
3.2.21 cw_zigrang_sylvester2 - Zigrang-Sylvester friction factor
Arguments
Returns
Possible Errors
3.2.22 cw_tsal - Tsal friction factor
Arguments
Returns
Possible Errors
3.2.23 cw_manadilli - Manadilli friction factor
Arguments
Returns
Possible Errors
3.2.24 cw_romeo_royo_monzon - Romeo-Royo-Monzon friction factor
Arguments
Returns
Possible Errors
3.2.25 cw_vatankhah_kouchakzadeh - Vatankhah-Kouchakzadeh friction factor
Arguments
Returns
Possible Errors
3.2.26 cw_buzzelli - Buzzelli friction factor
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Returns
Possible Errors
3.2.27 cw_cheng - Cheng friction factor
Arguments
Returns
Possible Errors
3.2.28 cw_avci_kargoz - Avci-Kargoz friction factor
Arguments
Returns
Possible Errors
3.2.29 cw_evangelides - Evangelides-Papaevangelou-Tzimopoulos friction factor
Arguments
Returns
Possible Errors
3.2.30 cw_fang - Fang friction factor
Arguments
Returns
Possible Errors
3.2.31 cw_alashkar - Alashkar friction factor
Arguments
Returns
Possible Errors
3.2.32 cw_bellos - Bellos-Nalbantis-Tsakiris friction factor
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Returns
Possible Errors
3.2.33 cw_tkachenko1 - Tkachenko-Mileikovskyi friction factor
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Returns
Possible Errors
3.2.34 cw_tkachenko2 - Tkachenko-Mileikovskyi friction factor
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Returns
Possible Errors
3.2.35 cw_blasius - Blasius friction factor
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Returns
Possible Errors
3.2.36 cw_koo - Koo friction factor
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Returns
Possible Errors
3.2.37 cw_nikuradse_reichert - Nikuradse-Reichert friction factor
Arguments
Returns
Possible Errors