本文選題：船舶艙室 + 內(nèi)飾板�。� 參考：《中國海洋大學》2014年碩士論文

【摘要】：船舶噪聲屬于比較嚴重的噪聲污染問題，船上噪聲不僅會干擾船員的正常工作和生活，還會影響船員身心健康，引起人體生理變化，導致聽力損傷。隨著船舶不斷大型化，其動力設(shè)備等導致的噪聲問題日益嚴重，再加上隨著生活水平的提升，人們對船舶舒適性的要求不斷提高，因此為了能夠提供一個安靜舒適的工作環(huán)境，讓船員及乘客遠離噪聲的困擾，國際海事組織經(jīng)過近幾次會議討論，于2012年在國際海事組織海上安全委員會91次會議上通過了《船上噪聲等級規(guī)則》修訂草案，對船舶艙室噪聲做出了更為嚴格的規(guī)定，并于2014年7月1日強制生效。 將DE56新標準和IMO-468(Ⅻ)進行對比可以看出此次的降噪主要區(qū)域為人員活動比較頻繁的起居區(qū)，該區(qū)域的大多數(shù)艙室的噪聲限值均降低了5dB。由于以前的噪聲等級規(guī)則并非強制性標準，此次新標準的強制實施無疑會對我國的船舶行業(yè)提出更大的挑戰(zhàn)。 本文首先介紹了船舶噪聲的主要控制方法，對目前船舶上面船舶噪聲控制方法有一定的認識和了解。然后根據(jù)船舶噪聲控制方法以及船舶艙室艙壁板實際工裝情況，本著盡量少占艙室內(nèi)部空間來達到艙室降噪的目的，初步選定在艙室內(nèi)飾板和艙壁板中間間隙填充吸聲材料的方法進行艙室的降噪研究。 通過對不同類型的吸聲材料的分析對比選定使用三聚氰胺泡沫吸聲材料作為試驗材料。為了更好的對試驗結(jié)果進行對比，我們首先對未在內(nèi)飾板和艙壁板中間間隙填充吸聲材料的工況進行測試，然后在艙室內(nèi)飾板和艙壁板中間間隙填充不同厚度的吸聲材料進行測試，分析填充三聚氰胺泡沫塑料前、后以及填充材料厚度不同時在各個頻段的降噪效果。同時還對在吸聲材料背后設(shè)置不同厚度的空氣層的工況進行了試驗，分析吸聲材料背后空氣層對艙室降噪的影響。 本文通過在艙室內(nèi)飾板和艙壁板中間間隙填充吸聲材料來達到艙室降噪的目的。通過對試驗數(shù)據(jù)的分析和比較，，驗證了在艙室內(nèi)飾板和艙壁板中間間隙填充吸聲材料以及在吸聲材料背后設(shè)置空氣層具有良好的降噪效果，為船舶艙室的降噪設(shè)計起到了一定的參考價值。
[Abstract]:Ship noise is a serious problem of noise pollution. It will not only interfere with the normal work and life of crew, but also affect the health of crew, cause physiological changes of human body and lead to hearing loss. As the ship becomes larger and larger, the noise problem caused by its power equipment is becoming more and more serious, and with the improvement of living standard, the requirement of ship comfort is raised constantly, so in order to provide a quiet and comfortable working environment, After several recent meetings and discussions, the International Maritime Organization (IMO) adopted the revised draft ship noise rating Code at the 91st meeting of the IMO Maritime Safety Committee in 2012. More stringent regulations on cabin noise were made, which came into force on July 1, 2014. By comparing the new DE56 standard with IMO-468 (XII), it can be seen that the main area of noise reduction is the living area where the human activities are more frequent, and the noise limit of most compartments in this area has been reduced by 5 dB. Since the previous noise level rules are not mandatory standards, the enforcement of the new standards will undoubtedly pose a greater challenge to the shipping industry in China. This paper first introduces the main control methods of ship noise, and has a certain understanding of the present ship noise control methods on board ships. Then according to the method of noise control and the actual working condition of the bulkhead, the purpose of reducing the noise of the cabin is to minimize the interior space of the cabin. The method of filling the space between the interior decor and the bulkhead plate with sound absorbent material was preliminarily selected to study the noise-reduction of the compartments. The melamine foam sound absorbent material was selected as the test material through the analysis and comparison of different kinds of sound absorbing materials. In order to compare the test results better, we first tested the condition that the gap between the interior panel and bulkhead plate was not filled with sound-absorbing material. Then the noise absorbent materials with different thickness were filled in the interspace between the interior decor and bulkhead plate to analyze the noise reduction effect before and after the filling of melamine foam and the thickness of the filling material at the same time in each frequency range. At the same time, the condition of setting different thickness air layer behind the sound absorbing material is tested, and the influence of the air layer behind the sound absorption material on the cabin noise reduction is analyzed. In this paper, the noise reduction is achieved by filling the gap between the interior decor and bulkhead plate. Through the analysis and comparison of the test data, it is proved that filling the gap between the interior decor and bulkhead plate of the cabin and setting the air layer behind the sound absorbing material have good noise reduction effect. It has played a certain reference value for the design of ship cabin noise reduction.
【學位授予單位】：中國海洋大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：U661.44;U668

【參考文獻】

相關(guān)期刊論文 前10條

1 黃險峰;;雙層墻體的隔聲反演[J];四川建筑科學研究;2011年01期

2 夏任紅;;某型艦船雙層隔振裝置的應用研究[J];船舶;2006年06期

3 李海濤,朱錫,石勇,董鵬;多孔性吸聲材料的研究進展[J];材料科學與工程學報;2004年06期

4 姚躍飛;高磊;楊瓊麗;俞來明;羅勇波;傅雅琴;劉冠峰;;玻璃纖維織物結(jié)構(gòu)參數(shù)對隔聲性能的影響[J];紡織學報;2009年02期

5 向海帆;趙寧;徐堅;;聚合物纖維類吸聲材料研究進展[J];高分子通報;2011年05期

6 張輝;張新波;;《船上噪聲等級規(guī)則》修訂案解析及應對措施[J];船舶標準化工程師;2013年01期

7 符江濤;共振腔消聲器的設(shè)計與應用[J];環(huán)境工程;2001年03期

8 潘丕昌;詹茂盛;沈燕俠;王凱;;聚酰亞胺泡沫吸聲性能與理論分析[J];航空材料學報;2009年06期

9 姚熊亮;王強勇;孫明;龐福振;;剛性阻振質(zhì)量在艦船基座設(shè)計中的應用研究[J];中國艦船研究;2010年03期

10 段翠云;崔光;劉培生;;多孔吸聲材料的研究現(xiàn)狀與展望[J];金屬功能材料;2011年01期

相關(guān)博士學位論文 前2條

1 武國啟;金屬橡膠材料吸聲降噪特性及試驗研究[D];哈爾濱工業(yè)大學;2010年

2 畢嶸;復合式消聲器聲學特性的分析方法和實驗研究[D];合肥工業(yè)大學;2012年

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