Abozeid, G. 1999. Factors affecting the formatipn of air- entrainment vortices at pump intakes in open channel flow. Fourth International Water Technology Conference. IWTC 99, Alexandria, Egypt.
Bagheri, A., Bajestan, M. S., Jahromi, H. M., Kashkooli, H. and Sedghee, H. 2010. Hydraulic evaluation of the flow over polyhedral morning glory spillways. World Appl. Sci. J. 9(7): 712-717.
Borghei, S. M. and Kabiri-Samani, A. R. 2010. Effect of anti-vortex plates on critical submergence at a vertical intake. Scientia Iranica (A). 17(2): 89-95.
Durgin, W. W. and Hecker, G. E. 1978. The Modelling of Vortices at Intake Structures. Proceedind of IAHR-ASME-ASCE Joint Symposium on Design and Operation of Fluid Machinery. CSU Fort Collins.
Fais, L. M. C. F. and Genovez, A. I. B. 2009. Discharge Rating Curve and Scale Effects Correction in Morning Glory Spillways. Proceedings of 16th IAHR-APD Congress and 3rd Symposium of IAHR-ISHS. Springer Berlin Heidelberg.
Gulliver, J. S. and Rindels, A. J. 1987. Weak vortices at vertical intakes. J.Hydraul. Eng. 113(9):
Knauss, J. 1987. Swirling flow problems at intakes. IAHR & AIRH Hydraulic Sructures Design Manual. Rotterdam.
Lashkar-Ara, B. and Sheikhi, Y. 2017. Introduce of crown wheel spillway and study of its discharge coefficient under free flow regime. J. Irrig. Sci. Eng. 40(2) : 209-221. (in Persian)
Mojdami, M, J. and Kabiri-Samani, A. 2014. Investigation of vortex flow characteristic in vertical shaft weirs with Calycle inlet. Eighth National Civil Engineering Congress. Babol, Iran. (in Persian)
Niksefat, Gh. 1991. Theoretical aspects and application of hydraulic models in hydraulic structures designing. Iranian National Committee on Large Dams. Monograph No. 41. (in Persian)
Odgaard, A. J. 1986. Free-surface air core vortex. J. Hydraul. Eng. 112(7): 610-620.
Posey, C. J. and Hsu, H. C. 1950. How the vortex affects orifice discharge. Engineering news-record.
Rankine, W. J. M. 1858. Manual of applied mechanics. Griffon Co. Pub. London, England.
Shemshi, R. and Kabiri-Samani, A. 2016. Swirling flow at vertical shaft spillways with circular piano-key inlets. J. Hydraul. Res. doi:10.1080/00221686.2016.1238015
Vries, M. De. 1973. On Measuring Discharge and Sediment Transport in River Flow. Delft Hydraulics Laboratory. Publ. No. 106. The Netherlands.
Zomorodian, S. M. A. and Shojaian, M. R. 2004. Effect of approach canal geometry on vortex swirl strength and discharge coefficient of vertical intake. Iran Agric. Sci. J. 35(3): 669-678. (in Persian)
Zomorodian, S. M. A. and Bagheri-Sabzevari, M. R. 2005. Effect of velocity and flow vector in outlet of rectangular approach canal with barred end on vertical intake discharge coefficient. J. Agric. Sci. Tech. Nat. Resour. 9(4): 1-16. (in Persian)