New transmission-factor formula proposed for gas pipelines

Joint research involving four European natural gas transmission companies has yielded a new transmission-factor formula as an alternative to the well-known Colebrook-White formula.Among other benefits, the very general formula has the potential to become widely accepted in giving a reliable theoretical foundation for pipeline planners and simulation tools.Colebrook-White formulaA crucial issue in predicting flow in gas pipelines is the proper choice of the formula for the transmission factor. Over several decades, the well-known Colebrook-White formula1 has widely been used (Equation 1 in accompanying equations box).The friction factor (l) is defined as shown in Equation 2 in which uw = t...

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