{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,12,24]],"date-time":"2024-12-24T05:06:55Z","timestamp":1735016815417,"version":"3.32.0"},"reference-count":0,"publisher":"IOS Press","isbn-type":[{"value":"9781643685694","type":"electronic"}],"license":[{"start":{"date-parts":[[2024,12,20]],"date-time":"2024-12-20T00:00:00Z","timestamp":1734652800000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2024,12,20]]},"abstract":"<jats:p>The main reducer structure noise is one of the main sources of noise in the helicopter cabin. By controlling this noise, further noise reduction in the helicopter cabin can be achieved. To this end, a proposal has been made to add vibration isolation design to the connecting partition between the main reducer and the cabin, reducing the transmission of gear vibration to the airframe from the transmission path. To verify the mid-high frequency vibration reduction and noise reduction performance of this scheme, a dynamic model of the acoustic-vibration coupling system of the cabin section structure\/sound field is established based on the helicopter cabin structure using the finite element method. On this basis, the impact of the stiffness, number\/position, and surface density of the partition\u2019s elastic connection units on the cabin sound pressure are analyzed. The results show that: reducing the stiffness of the elastic connection units between the partition and the cabin can reduce the sound pressure level inside the cabin; increasing the number of elastic connection points will lead to an increase in the sound pressure level inside the cabin; changing the position and number of elastic connection units can adjust the noise level inside the cabin.<\/jats:p>","DOI":"10.3233\/faia241467","type":"book-chapter","created":{"date-parts":[[2024,12,23]],"date-time":"2024-12-23T09:49:36Z","timestamp":1734947376000},"source":"Crossref","is-referenced-by-count":0,"title":["Research on the Impact of Acoustic and Vibration Characteristics of Noise Reduction Panels in Helicopter Cabins"],"prefix":"10.3233","author":[{"given":"Guibao","family":"Zhang","sequence":"first","affiliation":[{"name":"China Helicopter Research and Development Institute, Jingdezhen, 333001, China"}]},{"given":"Fengjiao","family":"Wang","sequence":"additional","affiliation":[{"name":"China Helicopter Research and Development Institute, Jingdezhen, 333001, China"}]},{"given":"Qiyou","family":"Cheng","sequence":"additional","affiliation":[{"name":"China Helicopter Research and Development Institute, Jingdezhen, 333001, China"}]}],"member":"7437","container-title":["Frontiers in Artificial Intelligence and Applications","Fuzzy Systems and Data Mining X"],"original-title":[],"link":[{"URL":"https:\/\/ebooks.iospress.nl\/pdf\/doi\/10.3233\/FAIA241467","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,12,23]],"date-time":"2024-12-23T09:49:37Z","timestamp":1734947377000},"score":1,"resource":{"primary":{"URL":"https:\/\/ebooks.iospress.nl\/doi\/10.3233\/FAIA241467"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2024,12,20]]},"ISBN":["9781643685694"],"references-count":0,"URL":"https:\/\/doi.org\/10.3233\/faia241467","relation":{},"ISSN":["0922-6389","1879-8314"],"issn-type":[{"value":"0922-6389","type":"print"},{"value":"1879-8314","type":"electronic"}],"subject":[],"published":{"date-parts":[[2024,12,20]]}}}