2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/129541In this paper we invstigate the possibility of the acoustic analogue of a phenomenon like superradiance, that is, the amplification of a sound wave by reflection from the ergo-region of a rotating acoustic black hole in the fluid "draining bathtub" model in the presence of a desclination be amplified or reduced in agreement with the value of the deficit angle.No figuresGeneral Relativity and Quantum Cosmologytext