4Bruno Brunone,W Karney,Michele Mecarelli and Macro Ferrante.Velocity profiles and unsteady pipe friction in transient flows [J].Journal of Water Resource Planning and Managent.2000,(8):236-244.
6Vardy A E.Unsteady flows:fact and friction.Proc.,3 rd Int.Conf.on Pressure Surges,BHRA,Canterbbury,England,1980.15-26.
7Zielke W.Frequency-dependent friction in transient pipe flow [J].Journal of Basic Engineering,ASME,1968,90(1):109-115.
8Brunone B,Golia U M,Greco M.Some remarks on the momentum equation forfast transients.INT.Meeting on Hydraulic Transients with Column Separation,9th Round Table,IAHR,Valencia,Spain,1991.140-148.
9Vardy Alan E,Hwang Kuo-Lun.A characteristic model of transient friction in pipes [J].Journal of Hydraulic Research,1991,29(5):669-684.
10Walter F Silva-Araya,M Hanif Chaudhry.Unsteady friction in rough pipes [J].Journal of Hydraulic Engineering,127,(7):607-617.