errata for “approximation of turbulent wall shear stresses in highly transient pipe flows” by...
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Errata for “Approximation of TurbulentWall Shear Stresses in Highly TransientPipe Flows” by Alan E. Vardy andJim M. B. BrownNovember 2007, Vol. 133, No. 11, pp. 1219–1228.DOI: 10.1061/�ASCE�0733–9429�2007�133:11�1219�
Alan E. VardyResearch Professor, Civil Engineering Division, Univ. of Dundee,Dundee DD1 4HN, U.K. E-mail: [email protected]
Jim M. B. BrownResearch Fellow, Civil Engineering Division, Univ. of Dundee, Nether-gate, Dundee DD1 4HN, U.K. �corresponding author�. E-mail:[email protected]
JOUR
J. Hydraul. Eng. 200
The authors regret that the coefficients presented for Eq. �17� inthe original paper are incorrect. The correct coefficients are:
a20=−1.490410+1a21=3.5700a22=−2.831110−1a23=7.382110−3b20=1b21=−1.944010−1b22= +1.114110−2b23=−1.617510−4b24= +1.120710−6The error has no implications elsewhere in the paper. The cor-
rect coefficients were used in all derivations. The incorrect coef-ficients were taken from the wrong table in a spreadsheet duringthe preparation of the manuscript. The authors apologize for their
inefficiency in this matter.NAL OF HYDRAULIC ENGINEERING © ASCE / JANUARY 2009 / 71
9.135:71-71.