找回密碼
 To register

QQ登錄

只需一步,快速開(kāi)始

掃一掃,訪問(wèn)微社區(qū)

打印 上一主題 下一主題

Titlebook: Applied Acoustics: Concepts, Absorbers, and Silencers for Acoustical Comfort and Noise Control; Alternative Solution Helmut V. Fuchs Book 2

[復(fù)制鏈接]
樓主: ED431
41#
發(fā)表于 2025-3-28 14:48:42 | 只看該作者
Integrated and Integrating Sound Absorbers,, pointing out the special low-frequency problem. The following Chaps.?4–9 present an up-to-date overview of different effects and designs of state-of-the-art as well as some novel marketable airborne sound absorbers, focusing on classifying and describing the physical damping mechanisms, which diff
42#
發(fā)表于 2025-3-28 21:55:53 | 只看該作者
Sound Absorbers in Room Acoustics,d consulting engineers and architects to design current state-of-the-art noise control and room acoustic measures. Special emphasis is on damping at low frequencies and using fiber-free absorbers with smooth closed surfaces, innovative tools and devices to solve acute acoustical problems.
43#
發(fā)表于 2025-3-29 01:24:08 | 只看該作者
44#
發(fā)表于 2025-3-29 06:14:55 | 只看該作者
Silencers in Flow Ducts,rooms (see Chaps.?. and .), the amount of . required for a specific . (a) plays an important role particularly in view of low frequencies, because this can directly influence the construction costs of a building. The .. (b) and . (c) of porous/fibrous damping materials can be improved by acousticall
45#
發(fā)表于 2025-3-29 11:19:11 | 只看該作者
46#
發(fā)表于 2025-3-29 13:36:24 | 只看該作者
Lecture Notes in Electrical Engineeringunit area is not small but very large compared to the air mass moved with the sound wave according to Eq.?(.). Such a mass is only able to react with the sound field if rendered excitable as part of a resonance system.
47#
發(fā)表于 2025-3-29 17:49:18 | 只看該作者
https://doi.org/10.1057/9781403946041r than using extremely thin mineral fibers in initially comparatively coarse structures and it originally stems from Russian research by Rschevkin and Terossipjantz (1941), Rschevkin (1959) and Veliszhanina (1951). However, it was thanks to an old Chinese master acoustician, Maa (1975), that . (MPA)
48#
發(fā)表于 2025-3-29 21:40:47 | 只看該作者
Value At Risk and Stress Testing,e kHz range (see Figs.?13.38 and 13.39) and passive materials with correspondingly larger depths as “bass traps” e.g. in music studios or class rooms for frequencies down to far below 100?Hz, (see Everest, The master handbook of acoustics, 1994) or Sect.?10.3.
49#
發(fā)表于 2025-3-29 23:58:15 | 只看該作者
Finance and Capital Markets Seriesder to give the driver the sound that fits the respective power chosen: softly purring like a kitten or roaring like a lion. These technically and physically challenging developments however call for sophisticated testing facilities to minimize noise emissions and optimize internal noises.”
50#
發(fā)表于 2025-3-30 04:17:33 | 只看該作者
 關(guān)于派博傳思  派博傳思旗下網(wǎng)站  友情鏈接
派博傳思介紹 公司地理位置 論文服務(wù)流程 影響因子官網(wǎng) 吾愛(ài)論文網(wǎng) 大講堂 北京大學(xué) Oxford Uni. Harvard Uni.
發(fā)展歷史沿革 期刊點(diǎn)評(píng) 投稿經(jīng)驗(yàn)總結(jié) SCIENCEGARD IMPACTFACTOR 派博系數(shù) 清華大學(xué) Yale Uni. Stanford Uni.
QQ|Archiver|手機(jī)版|小黑屋| 派博傳思國(guó)際 ( 京公網(wǎng)安備110108008328) GMT+8, 2025-10-23 23:14
Copyright © 2001-2015 派博傳思   京公網(wǎng)安備110108008328 版權(quán)所有 All rights reserved
快速回復(fù) 返回頂部 返回列表
定陶县| 宽甸| 宕昌县| 钟祥市| 井研县| 泽库县| 乌鲁木齐县| 溆浦县| 含山县| 汉川市| 象州县| 万年县| 崇文区| 枞阳县| 明星| 通城县| 南阳市| 阿拉善盟| 维西| 乐安县| 肥乡县| 安宁市| 宁国市| 石棉县| 门头沟区| 松原市| 湛江市| 探索| 隆德县| 南宫市| 宁河县| 南丰县| 汝州市| 波密县| 调兵山市| 临泽县| 衡水市| 忻州市| 伊金霍洛旗| 石城县| 大悟县|