Mitigation of under-expanded supersonic jet noise through stepped nozzles

• Main Authors: Wei, Xiaofeng, Mariani, Raffaello, Chua, Leok Poh, Lim, H. D., Lu, Zhen Bo, Cui, Yongdong, New, Tze How
• Other Authors: School of Mechanical and Aerospace Engineering
• Format: Article
• Language: English
• Published: 2021
• Subjects: Engineering::Mechanical engineering; Supersonic Jet; Jet Noise
• Online Access: https://hdl.handle.net/10356/150607
• Institution: Nanyang Technological University

An experimental investigation into noise reduction of supersonic jets through nozzle trailing-edge modifications was conducted, whereby far-field acoustic measurements were captured for two different stepped nozzles under two distinct under-expanded conditions. When compared to a baseline nozzle, re...