ʻO kahi keʻena anechoic kahi ākea ʻaʻole e hōʻike i ke kani.E hoʻopaʻa ʻia nā paia o ke keʻena anechoic me nā mea kani kani me nā mea kani maikaʻi.No laila, ʻaʻole e ʻike ʻia nā hawewe kani i loko o ka lumi.ʻO ke keʻena anechoic kahi hale hana i hoʻohana kūikawā ʻia no ka hoʻāʻo ʻana i ke kani pololei o nā mea leo, nā ʻāpana leo, nā pepeiao pepeiao, a me nā mea ʻē aʻe.ʻO ka mea kani i hoʻohana ʻia i loko o ke keʻena anechoic e koi i ka coefficient absorption leo ʻoi aku ma mua o 0.99.ʻO ka mea maʻamau, hoʻohana ʻia kahi papa hoʻoheheʻe gradient, a hoʻohana mau ʻia nā ʻāpana a i ʻole conical.Hoʻohana ʻia ka hulu hipa aniani ma ke ʻano he mea hoʻoheheʻe leo, a hoʻohana pū ʻia ka huʻa palupalu.No ka laʻana, i loko o ka 10 × 10 × 10m keʻena keʻena, ua waiho ʻia kahi wīwī kani 1m lōʻihi ma kēlā me kēia ʻaoʻao, a hiki i kona alapine haʻahaʻa haʻahaʻa hiki ke hiki i 50Hz.Ke hoʻāʻo ʻia i loko o kahi keʻena anechoic, kau ʻia ka mea a i ʻole ke kumu kani e hoʻāʻo ʻia ma luna o ke kikowaena nylon mesh a i ʻole ke kila kila.Ma muli o ke kaumaha i hiki i kēia ʻano mesh ke amo, hiki ke hoʻāʻo ʻia nā kumu kani māmā a me ka liʻiliʻi.
Keena Anechoic maʻamau
E hoʻouka i ka ʻōniʻoniʻo corrugated a me ka microporous sound-absorbing metala i loko o nā keʻena anechoic maʻamau, a hiki i ka hopena insulation kani ke hiki i 40-20dB.
Keena Anechoic Semi-ʻOihana
ʻO nā ʻaoʻao 5 o ka lumi (koe wale ka papahele) ua uhi ʻia me ka ʻōniʻoniʻo hoʻoheheʻe kani a i ʻole ka huluhulu aniani.
Keena Anechoic Oihana piha
ʻO nā ʻaoʻao 6 o ka lumi (me ka papahele, i hoʻokuʻu ʻia i ka hapalua me ka uwea uwea kila) ua uhi ʻia me ke ʻano o ka wīwī kani a i ʻole ka huluhulu aniani.
Ka manawa hoʻouna: Jun-28-2023