무향풍동의 저소음 설계

초록

An anechoic wind tunnel provides noise-model research work with models in a quiet test section airstream surrounded by an anechoic working chamber. This paper reports the design method employed and the predicted aero-acoustic performance of each component. This anechoic wind tunnel consists of acoustically lined duct, muffler, and splitter plate for noise suppression and vanes for reducing head losses involved.