Nk’uko amakuru abitangaza, Nissan yateguye igisubizo cyoroheje acoustic kuri moderi yacyo 2022.

Ba injeniyeri ba Acoustic bafite ibikoresho bitandukanye bahitamo kugirango bagabanye urusaku, kunyeganyega, no gukomera (NVH) mumodoka. Ariko, guhitamo kwabo akenshi kuzana ingano yingaruka-yongerewe uburemere. Mugihe cyiterambere, imodoka nshya irashobora kongeramo byoroshye ibiro 100 cyangwa birenga kubera gukoresha imashini ikurura ibintu, inzitizi zigaragaza kandi zikurura amajwi, nko gutwikirwa, gushiramo ifuro, hamwe nikirahure kitagira amajwi.

Mugihe cyo gushimangira uburemere, abashakashatsi ibikoresho bategereje iterambere rishya kugirango batsinde urugamba rwa NVH. Ibyo bita metamaterials bitanga amahirwe menshi kuberako igiciro cyacyo gito ugereranije nibisubizo gakondo bya NVH.

Uburyo bwa metamaterial ni ibikoresho bya macroscopique bihimbano hamwe nibikoresho byubuki butatu. Kubera imikoranire yaho hagati yibice bigize ibice, irashobora gutanga imikorere myiza muguhagarika cyangwa kwerekera amajwi adashaka.

Kuva mu 2008, Nissan yakoze ubushakashatsi bwimbitse. Mu imurikagurisha ry’abaguzi rya 2020, Nissan yerekanye iyi metamaterial ku nshuro ya mbere avuga ko izakoresha ibi bikoresho mu kugabanya NVH mu modoka nshya y’amashanyarazi ya Ariya 2022.

Susumu Miura, injeniyeri mukuru w’ibikoresho bya Nissan, yavuze ko ingaruka zo gukwirakwiza amajwi y’ibi bintu zishobora kugera ku nshuro enye z’ibisubizo gakondo. Nuburyo bworoshye bwa mesh buziritse muri firime ya plastike, ibi bikoresho birashobora kugabanya urusaku rwumuvuduko mugari wa 500-1200Hz, ubusanzwe biva mumuhanda cyangwa sisitemu yohereza. Video irerekana ko iyi metamaterial ishobora kugabanya urusaku rwinyuma muri cockpit kuva 70dB kugeza munsi ya 60dB. Isosiyete ivuga ko ugereranije na gahunda yo kugabanya NVH isanzwe, ibiciro by'ibi bikoresho biri hasi, cyangwa byibuze bingana. Nissan ntiratangaza uwatanze metamaterial.

Yongeye gusubizwa mumuryango wa Gasgoo