List of Articles ته نشینی Open Access Article Abstract Page Full-Text 1 - Optimization of rectangular secondary sedimentation tanks inlet (Case study: Tehran Wastewater Treatment Plant) Akbar Akbarpour Alireza Mardookhpour 10.30495/jest.2021.59792.5337 Open Access Article Abstract Page Full-Text 2 - Effect of Current Induced by Density Cahnges on Performance of Sedimentation Tanks and Proposing Solutions to Eliminate its Negative Impacts Seyed Mostafa Khezri Faranak Mirfattah Open Access Article Abstract Page Full-Text 3 - Numerical Solution of the Modified Burger’s Equation Using Finite Difference Method and Comparison with the Lattice Boltzmann Method M. Vaghefi