References
1. S.W. Churchill, “Friction factor equations span all fluid-flow regimes,” Chem. Eng., vol. 84, no. 24, p. 91, 1997.
2. F.P. Incropera and D.P. DeWitt, Fundamentals of Heat and Mass Transfer, 4th ed., John Wiley & Sons, 1996. Eq 8.62 and Eq 9.34, respectively.
3. V. Gnielinski, Int. Chem. Eng. vol. 16, p. 359, 1976.
4. S. W. Churchill, M. Bernstein, J Heat Transfer, vol. 99, p. 300, 1977.