Nugroho, S., Safitra, A.G., Aribowo, T.H. and Julianto, M.A. 2018. Improve of Water Flow Acceleration in Darrieus Turbine Using Diffuser NACA 11414 2,5R. EMITTER International Journal of Engineering Technology. 6, 1 (Jul. 2018), 62-74. DOI:https://doi.org/10.24003/emitter.v6i1.236.