From June 16 to 21, researcher Li Xianhui, director of the Beijing Municipal Key Laboratory of Environmental Noise and Vibration, Beijing Municipal Institute of Labour Protection, and his party attended the 2019 “the 48th international congress and exhibition INTER-NOISE control engineering” in Madrid, Spain, at the invitation of the Organizing Committee of the international conference INTER-NOISE. Members of the delegation had an exchange of sub-conference reports and exhibition boards. They also exchanged and discussed with their international counterparts, especially Professor Herrin of the University of Kentucky and researcher Deckers of the Catholic University of Leuven, regarding the key development directions of acoustic materials, acoustic structures and others of the laboratory.

Li Xianhui, head of the delegation, made a sub-conference report on the theme of “Sound absorption prediction for an arbitration shaped micro performed member space absorption” from the aspects of theoretical model building, numerical simulation, experimental research, etc.of the suspended (sound) absorber.

Cai Zenong made a sub-conference report on the theme of “Optimization of Sound Absorption Performance of Woven Fabric” from the aspects of theoretical model building, numerical simulation, experimental research and optimal design of textile fabrics, and won the Young Professional Grant.

Associate researcher Gai Xiaoling displayed posters of the research results of the Associate researcher Gai Xiaoling displayed posters of the research results of the Labor Institute in recent years, especially the development of acoustic metamaterials, and held discussions with relevant scholars.in recent years, especially the development of acoustic metamaterials, and held discussions with relevant scholars.

During this visit, the members of the delegation enhanced the exchange and cooperation with their international counterparts, publicized the latest scientific research and innovation achievements of the Beijing Municipal Institute of Labour Protection, expanded the international reputation of the Beijing Municipal Institute of Labour Protection, further understood the latest international scientific research trends and trends, and laid the groundwork for future work.