公开(公告)号：US20190186332A1

公开(公告)日：2019-06-20

申请号：US15846251

申请日：2017-12-19

申请人： U.S. Army Research Laboratory ATTN: RDRL-LOC-I

发明人： Micheal V. Scanlon

IPC分类号： F01N13/18 ,  F01N1/02

CPC分类号： F01N13/1888 ,  F01N1/02 ,  F01N13/1838 ,  F01N13/1877 ,  F01N2470/02

摘要： A noise abatement system including at least one fluid circulation chamber to receive at least one flow of fluid; at least one vorticity-inducing component adjacent to the at least one fluid circulation chamber, the at least one vorticity-inducing component to redirect the at least one flow of fluid tangentially to an inside perimeter wall of the at least one fluid circulation chamber to create fluctuations in a flow and pressure of the fluid causing increased and variable vorticity within the at least one fluid circulation chamber; and at least one vorticity-interaction region in communication with the at least one vorticity-inducing component to attenuate acoustics caused by the at least one flow of fluid.