Febri Budi Darsono, Rahmad Doni Widodo, Rusiyanto and Akhmad Nurdin 2021. Analysis Of the Effect of Flow Rate and Speed on Four Blade Tubular Water Bulb-Turbine Efficiency Using Numerical Flow Simulation . Journal of Advanced Research in Fluid Mechanics and Thermal Sciences. 90, 2 (Dec. 2021), 1–8. DOI:https://doi.org/10.37934/arfmts.90.2.18.