1. Optimum expansion of sand filters during backwash;Amirtharajah,1971
2. ANSYS fluent theory guide,2021
3. Pressure drop across sand and recycled glass media used in micro irrigation filters;Bové;Biosystems Engineering,2015
4. Hydrodynamic detachment of deposited particles in fluidised bed filter backwashing;Brouckaert,2004
5. Hydraulics of commercial sand media filter tank used for agricultural drip irrigation. ITCR Report No. R 10001;Burt,2010