NUGROHO, S.; SAFITRA, A. G.; ARIBOWO, T. H.; JULIANTO, M. A. Improve of Water Flow Acceleration in Darrieus Turbine Using Diffuser NACA 11414 2,5R. EMITTER International Journal of Engineering Technology, v. 6, n. 1, p. 62-74, 10 Jul. 2018.