Chowdhury, N. A.; Khan, A. M.; Mahmood, M. N.; Patwari, M. A. U. Investigating of the Effect of Rectangular and Trapezium Cross Section of Gating System by CFD Simulation in Cooling of Aluminium Alloy in a Permanent Mould Casting. Int. J. Adv. Sci. Eng. Inf. Technol. 2012, 2, 202-206.