[1] Hart P.W, Sommerfeld J.T., Expression for Gravity Draining of Annular and Toroidal Containers, Process Safety Progress, 14(4): 238-243 (1995).
[2] Sommerfeld J.T., Stallybrass M.P., Elliptical Integral Solutions for Drainage of Horizontal Cylindrical Vessels with Piping Friction, Ind. Eng. Chem. Res., 31(3): 743- 745 (1992).
[3] Jouse NJock Libbi., Mechanics of Slow Draining of Large Tank Under Gravity, Am. J. Phys., 71(11): 1204-1213 (2002).
[4] Subbarao Ch.V., Mallikarjuna Rao G., King P., BhaskaraSarma C., Prasad V.S.R.K., Drag Reduction by Polymer Additions in Once Through Systems, Int. J. Fluid Mech. Res., 37(5): 391-405 (2010).
[5] Driels M.R., Ayyash S., Drag Reduction in Laminar Flow, Nature, 259: 389-390 (1969).
[6] Ortiz J.P., de Bessa K.L., Drag Reducing Polymers in Vascular System: Viscosity Measurement and Polymers Types and Concentrations, ABCM Symposium Series in Bioengineering, 1: 1-10 (2006).
[7] Seabloom R.W., Bounda T.R., Loudon, Seabloom R., Bounds T, Loudon T., “Septic Tanks” (2004).
[8] Whyte W., Shaw B.H., Barnes R., Bacteriological Evaluation of Laminar-Flow Systems for Orthopedic Surgery, J. Hyg (London ), 71(3): 559-564 (1973).
[9] Nils Beck, Tim Landa, Arne Seitx, Loek Boermans, Yaolong Liu., Drag Reduction by Laminar Flow Control, Energies, 252-279 (2018).
[11] Thomas L Daniel., Fish Mucus: Insitu Measurement of Polymer Drag Reduction, Biological Buellton, 160(3): 376-382 (1981).
[12] Watanabe K., Ogata S., Hirose A., Kimura A., Flow Characteristics of the Drag Reducing Solid Wall, J. Env. Eng., 2(1): 108-114 (2007).
[13] Jubran B.A., Zurigat Y.H., Al-Shukri M.S., Al-Busaidi. H.H., The Use of Drag Reduction Agent and a Detergent in a Circulatory Vertical Flow, Polym. Plast. Technol. Eng., 45 :533-538 (2006).
[16] Raha A., Bagchi A., Mukherjee P., Paul M., Comparative Study of Detergents in India-A Step towards More Sustainable Laundry, Int Int. J. Adv. Pharm., 6(3): 122-127 (2016).
[17] Sameera M. Hamad-Allah Hussein H. Hussein, Drag Reduction by Anionic Surfactants, J. Eng., 15(1): 3521-3527 (2015).
[18] Liu D., Wang Q, Weia J., Experimental Study on Drag Reduction Performance of Mixed Polymer and Surfactant Solutions,
Chem. Eng. Res. Des.,
132: 460-469 (2018).